X1 Diesel Engines
from £1,450 to £3,850
Rebuilt units from £1,850 · Common codes: B47D20A, B47D20B, N47D20C, N47D20D
BMW ENGINE MARKETPLACE
BMW X1 N47/B47 Timing Chain Solutions - UK Specialists
Get quotes from trusted UK BMW X1 engine specialists. Compare reconditioned & used engines for sDrive18d to xDrive25e - N47/B47 covered. Get a quote before it's too late.
Supply & Fit Available
12-Month Warranty
Nationwide Delivery
100+ Suppliers
X1 Petrol Engines
from £1,350 to £3,600
Rebuilt units from £1,650 · Common codes: B48B20A, B48B20B, B38B15A, N20B20
X1 Mild Hybrid & PHEV Engines
from £2,200 to £4,800
Rebuilt units from £2,500 · Common codes: B48B20A 48V, U11 B48, F48 PHEV, B38 hybrid
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Compare reconditioned, rebuilt & used engine prices
Supply & fit available - parts and labour from vetted specialistsInstant engine replacement quote - 100% free, no obligationEngine replacement near me - UK-wide specialist networkCompare reconditioned, rebuilt & used engine pricesSupply & fit available - parts and labour from vetted specialistsHow It Works
3 Simple Steps3 Simple Stepsto Finding the Best BMW X1 Replacement Engineto Finding the Best BMW X1 Replacement Engine
12-Month Warranty
Supply & Fit Available
Nationwide Delivery
Trusted UK Suppliers
Most replacements completed within 3-5 days.
Live UK Engine Market Data
What Are UK Drivers Paying for BMW X1 Engine Replacement
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.
Average Market Prices
↻ Last updated: 4 Aug 26, 9:26
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Variants We Cover
BMW X1 Engine ReplacementAll Variants Covered
X1 xDrive20d
N47D20/B47D20 2.0L Diesel
Rebuilt Engines: £1,300-£3,500
X1 sDrive16i
N46B16 1.6L Petrol
Rebuilt Engines: £1,000-£2,400
X1 xDrive25i
N20B20 2.0L Petrol
Rebuilt Engines: £1,600-£3,600
Not sure which variant your BMW X1 is- Enter your registration number above - we'll identify the exact sub-model, engine code and compatible replacement options instantly.
X1
Engine Codes
BMW X1 Engine CodesFull Technical Specifications & Replacement Guide
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.
Diesel Engines
Extracted from detailed diesel engine families across BMW X1 variants.
N47D20 - 2.0L Diesel
Main replacement triggers are timing chain wear, EGR / cooling faults and turbo-control issues.
Compatible variants
sDrive18dsDrive18d M SportsDrive20dsDrive20d M SportxDrive20dxDrive20d M Sport
Avg. rebuilt price
£1,200 - £3,200
Supply only
Technical specifications
- Fuel type
- Diesel
- Engine size
- 2.0L
- Power output
- 143-204 hp
- Years fitted
- 2009-2015
Common failures
- ●Main replacement triggers are timing chain wear, EGR / cooling faults and turbo-control issues.
- ●Confirm exact engine code and fitment before ordering.
- ●Ask for warranty and supply & fit terms.
Not sure which 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 X1 engine specialists. Every rebuilt engine comes with a minimum 12-month unlimited mileage warranty.
X1
Common Problems
BMW X1 Engine Problems - What It Costs to Fix & When Replacement Makes Sense
The BMW X1 range spans three generations and two fundamentally different diesel engine families - the problematic N47 and the revised B47. N47 timing chain failure dominates replacement demand for E84 models (2009-2015), while B47 EGR cooler faults and DPF issues drive enquiries for F48 and U11 X1s. Every rebuilt engine supplied through EngineMarket...
BMW X1 N47 Timing Chain Failure - Why First-Generation Diesel Engines Fail Catastrophically
BMW X1 N47 Timing Chain Failure
Most affected vehicles
BMW X1 sDrive18dsDrive20d
BMW X1 sDrive18d, sDrive20d, xDrive20d, xDrive23d, xDrive25d (2009-2015, N47D20)
Failure mileage range
60,000 - 100,000 miles
Typical failure window
Root cause
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 options & estimated costs (UK ranges)
| Repair tier | Dealer price | Specialist price | What it involves | Longevity / suitability |
|---|---|---|---|---|
| Minor - Preventative Timing Chain Replacement | £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 | £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) | £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. |
Our recommendation
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.
Compare rebuilt N47D20 engine prices for your BMW X1Replacement Engine Options
BMW X1 Engine TypesOptions, Costs & What to Expect
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.
BMW X1 Reconditioned Engines (Recon)£1,850 - £4,200((supply only))
BMW X1 Rebuilt Engines£1,600 - £3,800((supply only))
BMW X1 Used Engines£800 - £2,200((supply only))
BMW X1 Remanufactured Engines£2,200 - £5,000((supply only))
BMW X1 Refurbished Engines£1,100 - £2,800((supply only))
Compare BMW X1 engine prices with vetted UK suppliers
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.
Engine Sizes
BMW X1 Engines by SizeFind the Right Displacement for Your Variant
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
ϟ
Power output
Verified by registration
△
Common Failure Points
EGR valve clogging, DPF regeneration issues on short journeys
Production Years: F48, 2015-2022
Get quotes for BMW X1 1.5L diesel enginesBMW X1 Engines Fuel Type
BMW X1 Engines by 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.
BMW X1 Diesel Engines
DieselDiesel 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.
Common BMW X1 Diesel Engine Families
- •N47D20 - E84 sDrive18d/xDrive20d (2009-2015), timing chain failure drives most replacements
- •B47D20 - F48 (2015-2022) and U11 (2022-present), EGR cooler failures common
- •B37C15 - F48 sDrive16d (2015-2022), three-cylinder ultra-economy option
Found In
- •E84 first generation (2009-2015) - N47D20
- •F48 second generation (2015-2022) - B37C15, B47D20
- •U11 third generation (2022-present) - B47D20, B47D20 MHEV
Known For
- •Excellent real-world fuel economy, especially on motorway runs
- •N47 timing chain failure between 60,000-100,000 miles (E84 models)
- •B47 EGR cooler recalls and injector seal leaks (F48 models)
Typical Diesel Models
- •sDrive16d
- •sDrive18d
- •sDrive20d
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BMW X1 Diesel Engines
DieselDiesel 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.
Common BMW X1 Diesel Engine Families
- •N47D20 - E84 sDrive18d/xDrive20d (2009-2015), timing chain failure drives most replacements
- •B47D20 - F48 (2015-2022) and U11 (2022-present), EGR cooler failures common
- •B37C15 - F48 sDrive16d (2015-2022), three-cylinder ultra-economy option
Found In
- •E84 first generation (2009-2015) - N47D20
- •F48 second generation (2015-2022) - B37C15, B47D20
- •U11 third generation (2022-present) - B47D20, B47D20 MHEV
Known For
- •Excellent real-world fuel economy, especially on motorway runs
- •N47 timing chain failure between 60,000-100,000 miles (E84 models)
- •B47 EGR cooler recalls and injector seal leaks (F48 models)
Typical Diesel Models
- •sDrive16d
- •sDrive18d
- •sDrive20d
BMW X1 Petrol Engines
PetrolPetrol X1s are less common in the UK than diesels but cover a wider performance spread - from economical three-cylinder sDrive18i to the punchy xDrive28i with the N20 turbo unit.
Common BMW X1 Petrol Engine Families
- •N46B20 - E84 sDrive18i (2009-2015), naturally aspirated entry petrol
- •N20B20 - E84 xDrive20i/xDrive25i/xDrive28i (2012-2015), timing chain guide vulnerability
- •B38B15 - F48 sDrive18i/xDrive18i (2015-2022) and U11 (2022-present), three-cylinder turbo
Found In
- •E84 first generation (2009-2015) - N46B20, N20B20
- •F48 second generation (2015-2022) - B38B15, B48B20
- •U11 third generation (2022-present) - B38B15, B48B20
Known For
- •Refined four-cylinder performance in xDrive20i and xDrive28i trims
- •N20 timing chain guide failure (E84, 50,000-90,000 miles) similar to diesel N47 issues
- •B38 and B48 engines resolved chain problems with improved reliability
Typical Petrol Models
- •sDrive18i
- •xDrive18i
- •sDrive20i
BMW X1 Plug-in Hybrid (PHEV) Engines
PHEVThe xDrive25e plug-in hybrid arrived on F48 (2020-2022) and continues into U11 (2022-present), combining a 1.5-litre B38 petrol engine with an electric motor and high-voltage battery.
BMW X1 PHEV Engine Codes
- •B38B15 PHEV - three-cylinder petrol with integrated electric motor (xDrive25e)
- •High-voltage battery (12.0-14.2 kWh depending on generation)
- •Electric drive unit (rear axle on U11, integrated transmission on F48)
Found In
- •xDrive25e, xDrive25e M Sport, xDrive25e xLine (F48 LCI, 2020-2022; U11, 2022-present)
Important Notes
- •PHEV engine replacement is rare - most powertrain issues involve the hybrid system or battery
- •Replacement requires specialist hybrid-safe workshop with high-voltage training
- •Battery condition check is mandatory when replacing the combustion unit
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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.
Engine YearsGet quotes for 2009-2010 BMW X1 replacement engines →
BMW X1 Engines by YearWhat Was Fitted & WhenBMW X1 Engines by Year - What Was Fitted & When
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.
⚙Key Changes
- ✓Model launched in European markets (October 2009) with nine initial variants
- ✓xDrive28i opened the range with a naturally aspirated 3.0L six-cylinder
- ✓xDrive23d offered the most powerful N47 twin-turbo diesel in the line-up
- ✓sDrive rear-wheel-drive and xDrive all-wheel-drive configurations both available
▣Main Engines
N52B30- 3.0L Petrol (xDrive25i, xDrive28i)
N47D20- 2.0L Diesel (sDrive18d, xDrive18d, sDrive20d, xDrive20d, xDrive23d)
▰Popular Models
- •BMW X1 xDrive28i
- •BMW X1 xDrive23d
- •BMW X1 sDrive20d
- •BMW X1 xDrive20d
- •BMW X1 sDrive18d
🔧Known For
- ✓The only X1 generation with a six-cylinder petrol engine option
- ✓xDrive28i (N52) delivers a smooth 258hp and a 0-62mph time of 6.8 seconds
- ✓Early N47 diesel timing chain issues begin to emerge in later mileage
- ✓The first BMW compact SUV - positioned between the 1 Series and X3
Engine Codes Covered:
N52B30N47D20Not 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