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 X1 engine specialists. Compare prices on reconditioned, rebuilt and used engines - supply & fit available nationwide.
-> Rebuilt units from £1,850 · Common codes: B47D20A, B47D20B, N47D20C, N47D20D
-> Rebuilt units from £1,650 · Common codes: B48B20A, B48B20B, B38B15A, N20B20
-> Rebuilt units from £2,500 · Common codes: B48B20A 48V, U11 B48, F48 PHEV, B38 hybrid
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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 X1 variants, covering documented failure causes, chassis generations, 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 X1 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
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From the economical sDrive18d to the high-performance xDrive25e plug-in hybrid, our network of UK BMW X1 engine specialists delivers rebuilt, reconditioned and used engine prices for every variant. A typical rebuilt BMW X1 engine includes a 12-month warranty - supply & fit available nationwide.
A full alphabetical listing of every BMW X1 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
Every engine code fitted to the BMW X1 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 diesel engine families across BMW X1 variants.
Extracted from detailed petrol and performance engine families across BMW X1 variants.
Extracted from electrified powertrains and hybrid engine families used in BMW X1 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 X1 engine specialists. Every rebuilt engine comes with a minimum 12-month unlimited mileage warranty.
Every rebuilt engine includes a minimum 12-month unlimited mileage warranty.
Why First-Generation Diesel Engines Fail Catastrophically
BMW X1 sDrive18d, sDrive20d, xDrive20d, xDrive23d, xDrive25d (2009-2015, N47D20)
60,000 - 100,000 miles
The timing chain is positioned at the rear of the N47 engine block, inadequately lubricated. Chain guides become brittle and shatter, allowing the chain to skip teeth or snap completely.
| Repair Tier | Dealer Price | Specialist Price | What It Involves | Longevity / Suitability |
|---|---|---|---|---|
Minor - Preventative Timing Chain Replacement Minor | £1,800 - £2,500 | £1,000 - £1,600 | Replace timing chain, guides, tensioner, and sprockets - engine remains in car | Prevents catastrophic failure if done before chain rattles. Adds 60k+ miles. |
Intermediate - Post-Failure Cylinder Head Rebuild Intermediate | £3,500 - £5,000 | £2,200 - £3,200 | Remove cylinder head, replace bent valves, rebuild head, fit new timing assembly | Only viable if chain slipped without snapping. High labour, uncertain outcome. |
Full Replacement - Rebuilt N47 Engine (Supply & Fit) Best Value | £4,500 - £6,500 | £2,800 - £4,000 | Supply of rebuilt unit with upgraded timing components, fitted, tested, 12-month warranty | Best long-term solution. Upgraded chain guides prevent recurrence. |
If your N47 X1 has over 60,000 miles and the chain rattles on cold start for 1-2 seconds, replace the timing chain preventatively at a specialist. That £1,000-£1,600 investment saves the engine. If the chain has already snapped, a full rebuilt engine is usually cheaper than main dealer cylinder head work - and gives you a warranty.
The failures above account for over 80% of BMW X1 engine replacement enquiries we see - timing chains on N47 and N20, EGR coolers on B47, and turbo failures across both diesel families. EngineMarket makes it simple to compare prices from trusted UK BMW X1 specialists who use upgraded components specifically designed to prevent these failures from recurring. Every rebuilt engine includes a minimum 12-month unlimited mileage warranty, nationwide delivery, and supply & fit options. Compare prices today and get back on the road without the main dealer premium.
Compare BMW X1 Engine Replacement Prices Now →BMW X1 sDrive18d, sDrive20d, xDrive20d, xDrive23d, xDrive25d (2009-2015, N47D20)
60,000 - 100,000 miles
The timing chain is positioned at the rear of the N47 engine block, inadequately lubricated. Chain guides become brittle and shatter, allowing the chain to skip teeth or snap completely.
Replace timing chain, guides, tensioner, and sprockets - engine remains in car
Remove cylinder head, replace bent valves, rebuild head, fit new timing assembly
Supply of rebuilt unit with upgraded timing components, fitted, tested, 12-month warranty
If your N47 X1 has over 60,000 miles and the chain rattles on cold start for 1-2 seconds, replace the timing chain preventatively at a specialist. That £1,000-£1,600 investment saves the engine. If the chain has already snapped, a full rebuilt engine is usually cheaper than main dealer cylinder head work - and gives you a warranty.
The failures above account for over 80% of BMW X1 engine replacement enquiries we see - timing chains on N47 and N20, EGR coolers on B47, and turbo failures across both diesel families. EngineMarket makes it simple to compare prices from trusted UK BMW X1 specialists who use upgraded components specifically designed to prevent these failures from recurring. Every rebuilt engine includes a minimum 12-month unlimited mileage warranty, nationwide delivery, and supply & fit options. Compare prices today and get back on the road without the main dealer premium.
Compare BMW X1 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 X1 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 engine type for the BMW X1 is available through our UK network with typical price ranges based on your variant, engine code and 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 X1 within hours.
Every displacement fitted to the BMW X1 across all UK generations is listed below, with compatible engine codes, years and common failure notes.
The 1.5-litre three-cylinder diesel arrived with the F48 second-generation X1 (2015-2022) as the ultra-efficient entry point to the range. Badged sDrive16d, this B37 unit prioritised economy over outright performance and was offered exclusively in front-wheel drive, making it ideal for urban and high-mileage fleet buyers.
| Engine Code(s) | B37C15 |
| Compatible Models (UK) | sDrive16d, sDrive16d M Sport |
| Production Years | F48, 2015-2022 |
EGR valve clogging, DPF regeneration issues on short journeys
Not sure which engine size your BMW X1 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 X1 specialists.
BMW X1 Engines Fuel Type
Choose your BMW X1 engine by fuel type to compare realistic replacement prices, known issues, and compatible UK supply options - from early E84 diesels to the latest U11 plug-in hybrid.
Diesel has powered the majority of UK X1 sales across all three generations, with the N47 driving high replacement demand on E84 cars and the improved B47 dominating F48 and U11 models.
Not sure which fuel type your BMW X1 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 X1 specialists.
Trace every engine fitted to the BMW X1 from its 2009 launch to the present day, organised by year and generation - helping owners identify their exact unit and compare rebuilt prices from UK specialists.
Not sure which year your BMW X1 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 X1 specialists.
FAQ
Question 1
A BMW X1 rebuilt engine typically costs £1,200-£4,500 supply-only depending on engine code, with B47 diesels at the higher end and N47 units starting lower. Supply & fit adds £400-£800.
Key points
Question 2
Yes, the N47 diesel in 2009-2015 X1 models has a well-documented timing chain failure risk between 60,000-100,000 miles. BMW acknowledged this internally and issued guidance for dealers.
Key points
Question 3
The N47 diesel (E84, 2009-2015) and N20 petrol (E84, 2012-2015) share timing chain vulnerabilities. The B47 diesel (2015+) resolved these issues and is significantly more reliable.
Key points
Question 4
A well-maintained BMW X1 engine typically lasts 150,000-200,000 miles. The B47 diesel can exceed 200k with proper servicing, while N47 units often fail earlier due to timing chain issues.
Key points
Question 5
The B47 diesel EGR cooler can crack internally, allowing coolant to leak into the exhaust system. BMW recalled over 800,000 vehicles globally, including X1 models, due to fire risk.
Key points
Question 6
On a 2009-2015 E84 X1 worth £3,000-£6,000, a £2,800-£4,000 rebuilt engine often makes sense if the car is otherwise sound. On newer F48 models, replacement is almost always worthwhile.
Key points
Question 7
Modern B38/B48 petrol engines (2015+) are generally more reliable than N47 diesels, with fewer catastrophic failure modes. However, older N20 petrol engines share the N47's timing chain vulnerability.
Key points
Question 8
Specialist labour for BMW X1 engine replacement typically costs £400-£800, covering 8-12 hours of work. Main dealers charge £1,200-£2,000 for the same job.
Key points
Question 9
Every rebuilt BMW X1 engine supplied through EngineMarket carries a minimum 12-month unlimited mileage warranty. Premium suppliers offer 24-month coverage for B-series engines.
Key points
Question 10
Check your BMW X1's VIN plate under the bonnet or in the driver's door shut - the engine code is printed as an 8-11 character code like N47D20C or B47D20. You can also enter your registration above.
Key points
Why Choose Us
Join thousands of UK drivers who compare BMW X1 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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