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BMW M1 Engine ReplacementCompare Prices & Save

Get quotes today from trusted UK BMW M1 engine specialists. Compare prices on reconditioned, rebuilt and used engines - supply & fit available.

Supply & Fit Available
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BMW M1 M88/1 Street Engines - from £18,500 to £45,000

-> Rebuilt units from £18,500 · Common codes: M88/1, M88/3, M88/2

BMW M1 M88/3 Late Production Engines - from £19,500 to £48,000

-> Rebuilt units from £19,500 · Common codes: M88/3, M88/1, M88/2

BMW M1 M88/2 Procar Racing Engines - from £35,000 to £85,000

-> Rebuilt units from £35,000 · Common codes: M88/2, M88/1, M88/3

UK

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3 Simple Stepsto Finding the Best BMW M1 Replacement Engine

Get Instant Quotes from BMW Engine Specialists Across the UK - 100% free, no obligation. Most replacements completed within 3-5 days.

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Live UK Engine Market Data

What Are UK Drivers Paying for BMW M1 Engine Replacement?

The table below shows typical UK rebuilt engine costs across BMW M1 variants, covering documented failure causes, chassis generations, engine codes, and fuel types based on current market data.

BMW M1 live market price reference
Average Market Prices
  • BMW M1 (E26) Group 51979-1981£45,000-£95,000
    Dry sump pump fail
    M88/2Petrol 3.5L
  • BMW M1 (E26) Street1978-1981£18,500-£45,000
    Timing chain wear
    M88Petrol 3.5L
  • BMW M1 (E26) Procar1979-1980£35,000-£85,000
    Kugelfischer inject
    M88/1Petrol 3.5L
Last updated: 22 May, 14:59

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Models We Cover

BMW M1 Engine ReplacementAll Variants Covered

Street Specification Range

Motorsport Heritage Range

Import & Specialist Configuration Range

Variant Directory

All BMW M1 Variants - Engine Replacement Coverage

A full alphabetical listing of every BMW M1 trim covered by our network. All entries link to a dedicated variant page, where prices are further broken down by engine code, model year, and condition type. Click a live link to compare quotes.

Diesel Variants

None available for this model.

Petrol Variants

BMW M1 Concours SpecificationBMW M1 Driver Quality SpecificationBMW M1 Early ProductionBMW M1 Full Restoration PackageBMW M1 Investment Grade SpecificationBMW M1 Late ProductionBMW M1 Left-Hand Drive ImportBMW M1 Museum SpecificationBMW M1 Numbers Matching SpecificationBMW M1 Partial Rebuild OptionBMW M1 Right-Hand Drive ConversionBMW M1 Street Version

Performance Variants

BMW M1 Competition PreparationBMW M1 Group 5 RacingBMW M1 Motorsport DerivativeBMW M1 Procar EditionBMW M1 Track Day Specification
Engine Codes

BMW M1 Engine CodesFull Technical Specifications & Replacement Guide

Every engine code fitted to the BMW M1 across all generations, with technical specs, compatible variants and trims, known failure points, and average rebuilt prices from UK specialists. Select any engine code to compare quotes.

Petrol Engines

Extracted from detailed petrol and performance engine families across BMW M1 variants.

Can't find your engine code?

Can't find your engine code? Enter your registration number above - we'll instantly identify the exact unit, its technical specifications, and live replacement prices from UK BMW M1 engine specialists. Every rebuilt engine comes with a minimum 12‑month unlimited mileage warranty.

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Common Problems

BMW M1 Engine Problems
What It Costs to Fix & When Replacement Makes Sense

The BMW M1’s M88 3.5L inline-six is a masterpiece of motorsport-derived engineering, but its high-performance design and mechanical fuel injection system require meticulous maintenance. Across the M88/1, M88/2, and M88/3 variants, owners most frequently encounter dry sump lubrication issues, Kugelfischer injection calibration drift, and timing chain tensioner wear. Every rebuilt engine supplied through EngineMarket includes upgraded internal components designed to address these original failure points - plus a minimum 12‑month unlimited mileage warranty. Use the breakdowns below to weigh targeted repairs against a full heritage-grade replacement for your BMW M1.

Affected Models

BMW M1 Street Version, Procar Edition, Group 5 (1978-1981, M88/1 & M88/3)

Typical Failure Mileage

35,000 - 55,000 miles

Root Cause

The dry sump scavenge pump impellers wear prematurely under sustained high-RPM load, reducing oil return pressure and starving the crankshaft bearings.

Intermediate - Scavenge Pump & Filter Refresh
Dealer
£3,500 - £5,200
Specialist
£2,200 - £3,400

Removing the dry sump pan, replacing worn scavenge impellers, pressure lines, and filters with OEM-spec components.

Extends life by 15k-20k miles if bearing clearances remain within tolerance.
Full Replacement - Rebuilt / Reconditioned M88 Engine
Dealer
£38,000 - £65,000
Specialist
£18,500 - £45,000

Complete engine replacement with heritage-spec block, upgraded dry sump pump, new bearings, bench-tested pressure calibration.

Permanent resolution with 12-month warranty; restores factory lubrication parameters.
Our Recommendation
Best next step for bmw m1 dry sump lubrication failure

On a collector-grade BMW M1 valued at £150,000+, we strongly advise against patching a starved lubrication system once metallic debris has circulated. If oil pressure drops are confirmed and bearing knock is audible, full replacement with an upgraded dry sump specification is the only reliable path to preserve your asset’s provenance.

Compare rebuilt M88 engine prices for your BMW M1

Don't Let Engine Failure Write Off Your BMW M1

The M88 inline-six is an engineering icon, but its racing-derived architecture leaves little margin for error once wear patterns begin. Whether you’re facing dry sump degradation, Kugelfischer fuel system drift, or timing chain instability, delaying resolution on a collector asset like the BMW M1 rarely saves money. EngineMarket connects you directly with vetted UK heritage specialists who supply and fit rebuilt M88 units with upgraded internal components designed to eliminate these factory weaknesses. With nationwide delivery, provenance documentation, and a minimum 12-month unlimited mileage warranty on every unit, you secure your vehicle’s investment without the main dealer premium.

Compare BMW M1 Engine Replacement Prices Now →

Disclaimer: All prices are indicative UK market ranges based on historical quote data and repair requests from our network of engine specialists. Dealer pricing is estimated based on published main dealer labour rates and genuine OEM parts pricing. Specialist pricing reflects actual quote data from EngineMarket’s UK network. Actual costs vary depending on damage severity, vehicle condition, variant, and workshop location within the UK. Use our free comparison tool to get tailored quotes for your specific BMW M1 and engine code. Every engine supplied through EngineMarket carries a minimum 12‑month unlimited mileage warranty - always confirm exact terms with your chosen supplier.

12-Month Warranty
Upgraded Components
Nationwide UK Delivery
Save vs Main Dealer Price
Replacement Engine Options

BMW M1 Engine TypesOptions, Costs & What to Expect

Every engine type is available through the UK network with typical price ranges based on BMW M1 variant, M88 engine code and collector budget.

Reconditioned
BMW M1 Reconditioned Engines (Recon)

Specialist heritage rebuild of your BMW M1 M88 engine with upgraded internals and provenance documentation for collector peace of mind.

Typical price range
£18,500 - £45,000
(supply only)
Suitability depends on chassis prefix, production year and intended use case for your BMW M1.
Compare reconditioned BMW M1 engine prices
Reconditioned

Reconditioned BMW M1 M88 units restore factory tolerances with heritage-spec components, ideal for investment-grade restorations and concours preparation.

  • M88/1 and M88/3 codes receive dry sump pump upgrades addressing known lubrication wear patterns in track use.
  • Kugelfischer injection calibration included to preserve authentic mechanical fuel delivery character of your BMW M1.
  • Bench-tested pressure calibration and serial documentation provided for provenance verification and valuation protection.
Rebuilt
BMW M1 Rebuilt Engines

Comprehensive BMW M1 M88 rebuild with new bearings, seals and upgraded timing components for reliable daily or track use preservation.

Typical price range
£19,500 - £48,000
(supply only)
Specification confirmed after specialist inspection of your BMW M1 block and rotating assembly.
Get rebuilt BMW M1 engine quotes
Rebuilt

Rebuilt BMW M1 engines feature upgraded tri-metal bearings and reinforced chains, addressing common M88 failure points while retaining authentic character.

  • Timing chain tensioner and guide replacement eliminates valvetrain rattle common in high-mileage BMW M1 M88 engines.
  • Cylinder liner inspection and honing ensures compression integrity for investment-grade BMW M1 restoration projects.
  • Full dyno validation and heritage documentation included to support valuation and insurance classification for your BMW M1.
Used
BMW M1 Used Engines

Original BMW M1 M88 engines sourced from verified collectors, offering authentic provenance for purist restoration at accessible investment levels.

Typical price range
£15,000 - £35,000
(supply only)
Condition varies; compression test and borescope inspection recommended before purchase of your BMW M1.
Check used BMW M1 engine availability
Used

Used BMW M1 M88 units offer original casting authenticity for numbers-matching restorations, though mileage and service history require careful verification.

  • Verify engine number format and casting codes against your BMW M1 chassis prefix to confirm period-correct compatibility.
  • Request compression test results and service documentation to assess remaining lifespan of your potential BMW M1 M88 engine.
  • Ideal for budget-conscious collectors prioritising originality over immediate reliability in their BMW M1 restoration project.
Remanufactured
BMW M1 Remanufactured Engines

BMW Group Classic certified remanufactured BMW M1 M88 engines with factory-spec tolerances and full heritage documentation for institutional buyers.

Typical price range
£22,000 - £52,000
(supply only)
Certification requires chassis verification and may involve extended lead times for your BMW M1 project.
Compare remanufactured BMW M1 engine costs
Remanufactured

Remanufactured BMW M1 engines meet original factory specifications with new or reconditioned components, ideal for museum acquisition and concours display.

  • Every component inspected to BMW Group Classic standards with casting date verification for period-correct BMW M1 authenticity.
  • Includes heritage build sheet, service history reconstruction and valuation certificate for insurance and auction documentation.
  • Preferred for institutional acquisitions, investment preservation and high-profile BMW M1 concours entries.
Refurbished
BMW M1 Refurbished Engines

Targeted component refresh for BMW M1 M88 engines addressing specific wear items while retaining original block and rotating assembly authenticity.

Typical price range
£17,000 - £40,000
(supply only)
Best for BMW M1 with documented service history and no catastrophic internal damage requiring full rebuild.
View refurbished BMW M1 engine options
Refurbished

Refurbished BMW M1 engines focus on critical wear items like seals, gaskets and ancillaries, extending service life without full disassembly costs.

  • Rear main seal, valve stem seals and gasket set replacement addresses common oil leakage points in aging BMW M1 M88 engines.
  • Water pump, thermostat and cooling hose refresh prevents overheating during track use of your BMW M1.
  • Cost-effective for BMW M1 owners prioritising reliability while preserving original engine character and provenance.
Supply & Fit
BMW M1 Supply & Fit Engines

Complete BMW M1 M88 engine replacement with certified heritage specialist fitting, calibration and road testing for turnkey restoration confidence.

Typical price range
£2,500 - £6,500 added to engine price
Cost varies by workshop location, ancillary scope and calibration requirements for your BMW M1 variant.
Find BMW M1 engine supply & fit deals
Supply & Fit

Supply and fit service connects your BMW M1 with BMW Group Classic certified technicians for professional installation, calibration and post-fit validation.

  • Engine removal, installation and calibration by heritage-specialist technicians familiar with BMW M1 M88 architecture.
  • Dyno validation and road test ensure proper Kugelfischer injection calibration and dry sump function for your BMW M1.
  • Ideal for collectors seeking turnkey restoration without managing multiple specialists for their BMW M1 asset.

All engine types include a minimum 12‑month unlimited mileage warranty when sourced through EngineMarket. Prices are typical UK market ranges based on historical quote data from our network and depend on exact engine code, variant, mileage and supplier. Use our free comparison tool above - enter your registration to get tailored quotes for your specific BMW M1 within hours.

Engine Sizes

BMW M1 Engines by SizeFind the Right Displacement for Your Variant

Every displacement fitted to the BMW M1 is listed below, with compatible M88 engine codes, production years and common failure notes to help you identify the correct replacement unit.

BMW M1 Petrol Engine Sizes

The iconic 3.5L M88 inline-six powered every BMW M1 produced between 1978 and 1981, representing BMW Motorsport's first standalone supercar project with racing-derived dry sump lubrication and mechanical Kugelfischer fuel injection. This naturally aspirated unit delivered 277hp in street specification and up to 500hp in Procar racing trim, defining the M1's collector appeal through its pure, high-revving character and motorsport provenance.

Engine Code(s)M88, 1, M88, 2, M88, 3
Compatible Models (UK)Street Version (1978-1981), Procar Edition (1979-1980), Early/Late Production variants, Left/Right-Hand Drive imports
Common Failure Points
Watch for these known weak points

Dry sump pump wear causing oil starvation, Kugelfischer injection calibration drift, timing chain tensioner fatigue at high mileage

Compare BMW M1 3.5L petrol engine prices

Not sure which engine size your BMW M1 needs? Enter your registration number above - we'll identify the exact displacement, engine code and compatible replacement options instantly. All engines supplied through EngineMarket include a minimum 12‑month unlimited mileage warranty from UK BMW M1 specialists.

BMW M1 Engines Fuel Type

BMW M1 Engines by Fuel Type

Choose your BMW M1 engine by fuel type to compare realistic replacement prices, known issues, and compatible UK supply options - from the iconic 3.5L M88 petrol inline-six that powered every production M1 between 1978 and 1981.

BMW M1 Petrol Engines
BMW M1 Petrol Engines

The BMW M1 was exclusively powered by the naturally aspirated 3.5L M88 inline-six petrol engine, a motorsport-derived unit featuring mechanical Kugelfischer injection and dry sump lubrication across all 1978-1981 production variants.

Common Engine Families
M88/1 - Street specification 277hp engine for early production and road-legal BMW M1 variants
M88/2 - Procar racing specification 470-500hp engine for FIA homologation BMW M1 models
M88/3 - Late production 277hp engine with updated components for final year BMW M1 chassis
Found In
BMW M1 Street Version (1978-1981) - M88/1, M88/3
BMW M1 Procar Edition (1979-1980) - M88/2 racing specification
BMW M1 Early/Late Production variants (1978-1981) - M88/1, M88/3
Known For
Pure naturally aspirated character with iconic high-revving M88 soundtrack
Mechanical Kugelfischer injection requiring specialist calibration expertise
Dry sump lubrication system vulnerability under sustained high-RPM track use
Collector-grade provenance driving premium replacement demand for matching-numbers units
Typical Models (UK)
BMW M1 Street Version
BMW M1 Procar Edition
BMW M1 Early Production
BMW M1 Late Production
BMW M1 Left-Hand Drive Import
BMW M1 Investment Grade Specification

Not sure which fuel type your BMW M1 has? Enter your registration number above to instantly identify your engine code, fuel system and compatible replacement options - all backed by a minimum 12‑month unlimited mileage warranty from UK BMW M1 specialists.

Engine Years

BMW M1 Engines by YearWhat Was Fitted & When

Covering the complete 1978-1981 production timeline of the BMW M1, this section helps collectors identify their M88 engine variant and compare rebuilt engine prices from UK heritage specialists.

1978 - BMW M1 Launch Year
Major Engine Change
The inaugural production year introduced the legendary M88/1 3.5L inline-six, establishing the M1's motorsport-derived character and collector provenance.
Key Changes
First production BMW M1 rolled off the line with M88/1 street specification engine
Dry sump lubrication and Kugelfischer mechanical fuel injection implemented
E26 chassis platform debuted with mid-engine layout for optimal weight distribution
Initial production run allocated to FIA homologation requirements
Known For
Pure naturally aspirated M88 soundtrack defines the collector experience
Mechanical Kugelfischer injection demands specialist calibration expertise
Dry sump system requires meticulous maintenance for track applications
Early chassis prefixes command premium valuation in restoration markets
Main Engines
M88/1 - 3.5L petrol (Street Version, Early Production variants)
Engine Codes Covered
M88/1
Popular Models
BMW M1 Street Version
BMW M1 Early Production
BMW M1 Numbers Matching Specification
BMW M1 Left-Hand Drive Import
Common Replacement Enquiries
BMW M1 M88/1 engine replacement
BMW M1 dry sump lubrication rebuild
BMW M1 Kugelfischer injection calibration
Get quotes for 1978 BMW M1 replacement engines
Year Finder
Not sure which year your BMW M1 was built?

Not sure which year your BMW M1 was built? Enter your registration number and we'll identify the exact engine, model year, and compatible replacement options instantly - all backed by a minimum 12‑month warranty from UK BMW M1 specialists.

FAQ

BMW M1 Engine ReplacementFrequently Asked Questions

Question 1

How much does a BMW M1 engine replacement cost in the UK?

A rebuilt BMW M1 M88 engine costs £18,500-£45,000 supply-only in the UK, depending on specification, provenance and rebuild tier. Procar M88/2 racing units command premium pricing due to FIA homologation rarity. All quotes include heritage documentation, bench testing and minimum 12-month unlimited mileage warranty from certified specialists.

Key points

  • M88/1 street specification rebuilds start from £18,500 supply-only UK market
  • M88/3 late production units with updated components range £19,500-£48,000
  • Procar M88/2 racing engines reach £35,000-£85,000 for FIA-specification rebuilds
  • Numbers matching documentation adds 15-25% valuation premium to investment-grade projects
  • Supply and fit installation adds £2,500-£6,500 depending on specialist location
Get tailored BMW M1 M88 engine quotes from UK heritage specialists

Question 2

What engine code is fitted to my BMW M1?

Every BMW M1 uses the M88 3.5L inline-six, with M88/1 for early street cars, M88/3 for late production refinements, and M88/2 exclusively for Procar racing homologation models. Locate the code on the engine block stamping near the cylinder head or consult your chassis documentation.

Key points

  • M88/1 powers 1978-1979 early production and standard street specification BMW M1 variants
  • M88/3 features updated internal components for 1980-1981 late production chassis numbers
  • M88/2 delivers 470-500hp exclusively for FIA Procar Edition racing homologation requirements
  • Engine number format begins with M88 followed by variant suffix and serial sequence
Verify your BMW M1 engine code with heritage documentation specialists

Question 3

Is it worth replacing a BMW M1 engine given its collector value?

Yes, replacing a BMW M1 M88 engine preserves significant investment value when using numbers-matching or heritage-specification rebuilds. A documented rebuilt unit maintains 80-90% of original collector valuation versus non-running project status. Specialist certification and provenance documentation are essential for asset protection.

Key points

  • Numbers matching M88 rebuilds preserve maximum investment value for concours and auction sales
  • Heritage-specification replacements with BMW Group Classic certification support institutional acquisition
  • Non-running M1 chassis lose 40-60% valuation versus documented, engine-ready collector examples
  • Specialist rebuild documentation including bench testing adds credibility for insurance and resale
Compare investment-grade BMW M1 engine rebuild options with valuation certificates

Question 4

What are the most common BMW M1 M88 engine failure points?

Dry sump lubrication wear, Kugelfischer injection calibration drift, and timing chain tensioner fatigue represent the three most documented BMW M1 M88 failure patterns. These issues typically emerge between 40,000-75,000 miles and require specialist diagnosis. Early intervention prevents catastrophic bearing or valvetrain damage.

Key points

  • Dry sump scavenge pump wear causes oil starvation under sustained high-RPM track use
  • Kugelfischer mechanical injection calibration drift creates lean running and potential piston damage
  • Timing chain tensioner fatigue allows valvetrain noise and potential interference engine damage
  • Cylinder liner scoring from aggressive track use requires borescope inspection before purchase
Get specialist diagnosis quotes for your BMW M1 M88 engine concerns

Question 5

How long does a rebuilt BMW M1 M88 engine last?

A heritage-specification rebuilt BMW M1 M88 engine typically delivers 30,000-50,000 miles of reliable service when maintained by certified specialists using period-correct components and high-octane fuel. Proper break-in procedures and documented servicing extend longevity for collector-grade preservation projects.

Key points

  • Stage 1 rebuilds with upgraded bearings and seals target 30,000-mile reliable service intervals
  • Concours-specification rebuilds using NOS components prioritise authenticity over extended mileage expectations
  • Track-focused builds require more frequent oil analysis and component inspection between events
  • Regular Kugelfischer injection calibration and dry sump maintenance prevent premature wear patterns
Enquire about BMW M1 M88 rebuild specifications and warranty coverage options

Question 6

Can I use a standard BMW engine in my BMW M1?

No, the BMW M1 requires the specific M88 3.5L inline-six due to unique mid-engine chassis mounting, dry sump lubrication, and Kugelfischer mechanical injection architecture. Alternative engine swaps compromise authenticity, valuation, and FIA eligibility for heritage motorsport events.

Key points

  • M88 engine block features unique mid-engine mounting points incompatible with standard BMW powertrains
  • Dry sump lubrication system integration requires M88-specific oil pump and reservoir configuration
  • Kugelfischer mechanical injection calibration cannot be replicated with modern electronic fuel management systems
  • Non-M88 engine installations void collector valuation premiums and heritage documentation authenticity
Source authentic BMW M1 M88 replacement engines from certified heritage specialists

Question 7

Do I need specialist knowledge to maintain a BMW M1 M88 engine?

Yes, BMW M1 M88 maintenance requires specialist expertise in dry sump lubrication systems, Kugelfischer mechanical injection calibration, and heritage engine rebuilding techniques. Generalist garages lack the tooling and documentation for authentic M88 servicing. Always use BMW Group Classic certified or heritage-specialist technicians.

Key points

  • Kugelfischer injection pump calibration requires flow bench equipment and period-correct technical documentation
  • Dry sump system inspection demands specialist knowledge of racing-derived lubrication architecture
  • M88 timing chain tensioner adjustment follows unique procedures not shared with production BMW engines
  • Heritage specialists maintain casting date verification and component period-correctness for concours projects
Find BMW M1 M88 certified specialists in the UK heritage technician network

Question 8

What documentation proves a BMW M1 engine is authentic or numbers matching?

Authentic BMW M1 M88 engines require matching engine number stamping, original build sheet verification, casting date code confirmation, and service history documentation. BMW Group Classic certification or heritage specialist authentication adds institutional credibility for auction and insurance valuation purposes.

Key points

  • Engine number format must align with chassis prefix and production year sequencing records
  • Casting date codes on block and cylinder head confirm period-correct component authenticity
  • Original BMW build sheets or heritage reconstruction documentation support numbers matching claims
  • Specialist authentication reports including borescope inspection and compression testing add verification credibility
Request BMW M1 M88 authenticity verification and heritage documentation package quotes

Question 9

How do I know if my BMW M1 needs an engine replacement versus repair?

BMW M1 M88 engines require replacement when compression falls below 120 PSI across multiple cylinders, metallic debris appears in oil, or dry sump pressure drops below 3 bar at idle. Targeted repairs suffice for isolated issues like injection calibration or seal replacement with intact internals.

Key points

  • Compression testing below 120 PSI indicates cylinder wear requiring full rebuild or replacement
  • Metallic particles in oil analysis signal bearing wear demanding bottom-end inspection or replacement
  • Dry sump oil pressure below 3 bar at idle indicates pump or clearance failure
  • Kugelfischer injection issues often resolve with calibration service without requiring full engine replacement
Get specialist compression test and diagnostic quotes for your BMW M1 M88

Question 10

What warranty coverage comes with a BMW M1 replacement engine?

All BMW M1 M88 replacement engines supplied through EngineMarket include minimum 12-month unlimited mileage warranty covering mechanical failure of rebuilt components. Heritage-specification rebuilds may offer extended coverage options. Always confirm exact terms, exclusions and claim procedures with your chosen certified specialist supplier.

Key points

  • Standard warranty covers mechanical failure of rebuilt rotating assembly and valvetrain components
  • Dry sump lubrication system and Kugelfischer injection components included in comprehensive coverage
  • Wear items like seals, gaskets and ancillaries typically excluded from mechanical failure warranty
  • Extended warranty options available for investment-grade and concours-specification rebuild projects
Compare BMW M1 M88 engine warranty terms from UK heritage specialist suppliers

Why Choose Us

Why UK BMW M1 Owners Trust EngineMarket

Join thousands of UK drivers who compare BMW M1 engine prices through our network of trusted specialists - every rebuilt and reconditioned unit backed by a minimum 12‑month unlimited mileage warranty and nationwide delivery.

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UK Engine Replacement Services for BMW M1

Covering every variant from street to Procar spec, with supply‑only or full supply & fit nationwide.

Compare BMW M1 engine prices with vetted UK specialists

Compare engine prices for BMW M1 in the UK and get competitive quotes from garages near you.

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