Jimmy
“Thanks to EngineMarket, I saved over £1,200 on my engine replacement and got matched with a great local specialist within the hour.”
Get quotes today from trusted UK BMW 2002 engine specialists. Compare prices on reconditioned, rebuilt and used engines - supply & fit available.
-> Rebuilt units from £2,800 · Common codes: M10 B20, M10 B18, M10 B16, M10 B15
-> Rebuilt units from £4,200 · Common codes: M10 B20 TII, M10 B20 TI, M10 B20
-> Rebuilt units from £6,500 · Common codes: M10 B20 TURBO, M10 B20 high compression
🔒 Secure enquiry - no spam, no pressure. Genuine quotes only from vetted UK BMW 2002 specialists.
Get Instant Quotes from BMW Engine Specialists Across the UK - 100% free, no obligation. Most replacements completed within 3-5 days.
Most replacements completed within 3-5 days.
The table below shows typical UK rebuilt engine costs across BMW 2002 variants, covering documented failure causes, chassis codes, engine codes, and fuel types based on current market data.

Customer Reviews
Rated 4.8 out of 5 by 1,081 verified customers who sourced reconditioned and used BMW 2002 engines through EngineMarket.
Jimmy
“Thanks to EngineMarket, I saved over £1,200 on my engine replacement and got matched with a great local specialist within the hour.”
Pete
“Got three quotes within an hour and chose the best deal easily. The whole process was quick, clear and stress-free.”
Sophie
“I wasn't sure what I needed, but they helped me identify the right engine and connected me with a trusted garage.”
Thanks to EngineMarket, I saved over £1,200 on my engine replacement and got matched with a great local specialist within the hour.”
- Jimmy, London
Highly Rated Experience - Leave a Review
Leave a review → - Your feedback helps other BMW 2002 owners find trusted engine specialists.
From the economical 1502 to the legendary 2002 Turbo, our network of UK BMW 2002 engine specialists helps you compare rebuilt, reconditioned and used engine prices. Typical price range for a rebuilt M10 unit with 12-month warranty - supply & fit available nationwide.
A full alphabetical listing of every BMW 2002 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
Petrol Variants
Performance Variants
Every engine code fitted to the BMW 2002 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.
Extracted from detailed petrol and performance engine families across BMW 2002 variants.
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 2002 engine specialists. Every rebuilt engine comes with a minimum 12‑month unlimited mileage warranty.
The classic M10 engine family powering the BMW 2002 is renowned for its robust iron-block architecture, yet age, thermal stress, and component fatigue inevitably affect these collector vehicles. The most prominent replacement drivers across the 1502, 1802, 2002, and tii variants are timing chain tensioner wear, cylinder head fatigue, and severe oil sealing degradation. Every rebuilt BMW 2002 engine sourced through our network includes upgraded internal components engineered to eliminate these original weak points, backed by a minimum 12‑month unlimited mileage warranty. The breakdown below functions as a specialist decision tool, helping you weigh targeted repairs against full BMW 2002 engine replacement costs before committing to a course of action.
Every rebuilt engine includes a minimum 12-month unlimited mileage warranty.
Why M10 Engines Jump Timing Prematurely
BMW 2002 1602, 1802, 2002, 2002 tii, 2002 Turbo (1968-1976, M10 B16, M10 B18, M10 B20, M10 B20 TII, M10 B20 TURBO)
60,000 - 90,000 miles
The original mechanical tensioner relies on spring pressure and oil feed, which degrade over decades of thermal cycling, causing slack, chain stretch, and eventual timing jump.
| Repair Tier | Dealer Price | Specialist Price | What It Involves | Longevity / Suitability |
|---|---|---|---|---|
Minor - Tensioner & Guide Replacement Minor | £450 - £750 | £280 - £500 | Front engine disassembly, chain guide swap, OEM-spec tensioner install, timing reset | Restores baseline reliability if chain hasn't stretched; catch before valve contact |
Intermediate - Full Timing Kit & Head Inspection Intermediate | £800 - £1,200 | £550 - £850 | Chain, guides, tensioner, cam seals, plus head straightness check and valve clearance adjustment | Extends lifespan 50k+ miles; ideal for cars showing early rattle or slack |
Full Replacement - Rebuilt BMW 2002 Engine Best Value | £3,500 - £5,500 | £2,800 - £4,500 | Supply & fit of a professionally rebuilt M10 unit with reinforced tensioner, upgraded chain, bench-tested components | Permanent solution with 12-month warranty; eliminates hidden block fatigue |
On a classic BMW 2002, timing chain slack is a predictable failure point. If caught early with only mild rattle, a specialist tensioner and guide refresh offers excellent value. However, if you hear metallic knocking, suspect valve contact, or plan to keep the car long-term, investing in a rebuilt BMW 2002 engine prevents catastrophic top-end damage and delivers factory-grade longevity.
Engine degradation on classic platforms is inevitable, but replacement doesn't have to mean compromising on quality or authenticity. Our network connects you with trusted UK BMW 2002 engine specialists who provide fully rebuilt, precision-machined M10 units engineered to outperform original specifications. Every engine is bench-tested, fitted with upgraded components that eliminate known weak points, and delivered nationwide with a minimum 12-month unlimited mileage warranty. Skip the dealership premium and uncertain repairs-compare prices, secure your parts, and restore your classic with confidence.
Compare BMW 2002 Engine Replacement Prices Now →The classic M10 engine family powering the BMW 2002 is renowned for its robust iron-block architecture, yet age, thermal stress, and component fatigue inevitably affect these collector vehicles. The most prominent replacement drivers across the 1502, 1802, 2002, and tii variants are timing chain tensioner wear, cylinder head fatigue, and severe oil sealing degradation. Every rebuilt BMW 2002 engine sourced through our network includes upgraded internal components engineered to eliminate these original weak points, backed by a minimum 12‑month unlimited mileage warranty. The breakdown below functions as a specialist decision tool, helping you weigh targeted repairs against full BMW 2002 engine replacement costs before committing to a course of action.
BMW 2002 1602, 1802, 2002, 2002 tii, 2002 Turbo (1968-1976, M10 B16, M10 B18, M10 B20, M10 B20 TII, M10 B20 TURBO)
60,000 - 90,000 miles
The original mechanical tensioner relies on spring pressure and oil feed, which degrade over decades of thermal cycling, causing slack, chain stretch, and eventual timing jump.
Front engine disassembly, chain guide swap, OEM-spec tensioner install, timing reset
Chain, guides, tensioner, cam seals, plus head straightness check and valve clearance adjustment
Supply & fit of a professionally rebuilt M10 unit with reinforced tensioner, upgraded chain, bench-tested components
On a classic BMW 2002, timing chain slack is a predictable failure point. If caught early with only mild rattle, a specialist tensioner and guide refresh offers excellent value. However, if you hear metallic knocking, suspect valve contact, or plan to keep the car long-term, investing in a rebuilt BMW 2002 engine prevents catastrophic top-end damage and delivers factory-grade longevity.
Engine degradation on classic platforms is inevitable, but replacement doesn't have to mean compromising on quality or authenticity. Our network connects you with trusted UK BMW 2002 engine specialists who provide fully rebuilt, precision-machined M10 units engineered to outperform original specifications. Every engine is bench-tested, fitted with upgraded components that eliminate known weak points, and delivered nationwide with a minimum 12-month unlimited mileage warranty. Skip the dealership premium and uncertain repairs-compare prices, secure your parts, and restore your classic with confidence.
Compare BMW 2002 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 2002 and engine code. Every engine supplied through EngineMarket carries a minimum 12‑month unlimited mileage warranty - always confirm exact terms with your chosen supplier.
Every BMW 2002 engine type is available through our UK specialist network, with typical price ranges based on M10 engine code, variant and restoration budget.
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 2002 within hours.
Introduced late in the E10 lifecycle to meet stricter economic regulations, the 1.5-litre M10 unit powered the entry-level 1502 variant. This compact powerplant prioritised fuel efficiency and low-end torque over outright performance, making it a favoured choice for daily driving and classic club touring. Its simple overhead cam design and robust cast-iron block ensure straightforward maintenance and high rebuild potential.
| Engine Code(s) | M10 B15 |
| Compatible Models (UK) | 1502 Base, 1502 Automatic |
| Production Years | 1975-1977 |
Valve guide wear causing blue smoke, rear main seal deterioration due to age-related rubber shrinkage.
Not sure which engine size your BMW 2002 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 2002 specialists.
BMW 2002 Engines Fuel Type
The BMW 2002 was exclusively powered by the robust M10 petrol engine family, spanning 1.5L to 2.0L displacements with carburettor, mechanical injection and turbocharged configurations.
Not sure which fuel type your BMW 2002 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 2002 specialists.
Covering the complete 1968-1976 E10 production timeline, this section helps you identify your exact engine by year and compare rebuilt prices from UK classic BMW 2002 specialists.
Not sure which year your BMW 2002 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 2002 specialists.
FAQ
Question 1
Yes, rebuilding a BMW 2002 M10 engine is typically worth it for classic restorations and daily driving. The robust cast-iron block accepts upgrades, and specialist rebuilds often exceed original reliability with modern components. For concours projects, a rebuilt unit preserves authenticity while eliminating known failure points like timing tensioners and valve guides.
Key points
Question 2
A professional BMW 2002 M10 engine rebuild costs £3,200-£5,500 supply-only in the UK. Reconditioned units start around £2,800, while rare tii or Turbo variants command £4,200-£12,000. Prices vary by damage extent, variant rarity, and whether matching numbers authenticity is required for your restoration project.
Key points
Question 3
BMW M10 timing chain failure in the 2002 usually stems from worn mechanical tensioners allowing chain slack, leading to jumped timing. Original tensioners degrade with age and heat cycles over decades. If ignored, valve-to-piston contact can destroy the cylinder head and require full BMW 2002 engine replacement.
Key points
Question 4
The naturally aspirated M10 B20 carburettor engine is the most reliable BMW 2002 powerplant for classic ownership. Its simple design, robust iron block, and widespread parts availability make it ideal for daily classic use. Avoid neglected tii injection pumps or Turbo units unless you have specialist support and appropriate restoration budget.
Key points
Question 5
Only M10 family engines officially fit the BMW 2002 E10 chassis for period-correct restorations. Compatible codes include M10 B16 (1.6L), B18 (1.8L), and B20 variants (carb, TI, TII, Turbo). Cross-generation swaps require custom mounts and are not recommended for concours eligibility or UK classic car registration compliance.
Key points
Question 6
Yes, every rebuilt BMW 2002 engine supplied through EngineMarket includes a minimum 12-month unlimited mileage warranty from UK specialists. Premium remanufactured units may offer 24-month coverage for added peace of mind. Always confirm exact terms, as warranty validity requires professional installation and adherence to break-in running procedures.
Key points
Question 7
UK BMW 2002 engines are available through specialist classic BMW rebuilders, breaker networks, and EngineMarket's comparison platform for transparent pricing. Avoid generic breakers-seek suppliers with documented M10 expertise who provide compression reports, warranty coverage, and specialist fitting options for authentic classic restorations.
Key points
Question 8
A professional BMW 2002 M10 engine rebuild typically takes 4-8 weeks from collection to dispatch for full restoration. Exchange reconditioned units may be available in 1-2 weeks for faster turnaround. Lead times depend on damage extent, parts availability for rare variants like tii or Turbo, and specialist workshop current workload.
Key points
Question 9
Yes, matching numbers significantly impact BMW 2002 collector value, especially for concours entries and investment-grade restorations. Original M10 engine codes with correct stamps command premium prices at auction. However, a professionally rebuilt non-matching engine is preferable to a worn original for reliable classic driving and long-term ownership enjoyment.
Key points
Question 10
While mechanically skilled owners can rebuild a BMW M10 engine, specialist machining, balancing, and torque specifications require professional equipment and expertise. DIY rebuilds risk incorrect clearances, premature failure, and voided warranty coverage. For concours eligibility or reliable classic driving, specialist rebuilds with warranty offer better long-term value and peace of mind.
Key points
Why Choose Us
Join thousands of UK drivers who compare BMW 2002 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.
Trusted BMW 2002 Engine Suppliers
Every garage and engine rebuilder in our network is vetted, rated, and reviewed by real BMW 2002 owners.
Compare BMW 2002 Engine Replacement Companies
See prices, warranty terms, and supply & fit options side‑by‑side before you commit.
UK Engine Replacement Services for BMW 2002
Covering every variant from the economical 1502 to the legendary 2002 Turbo, with supply‑only or full supply & fit available nationwide.

Trusted supplier network
Warranty-backed rebuilt & used options
Every quote checked for fitment, quality and lead time.