X3 2.0 Diesel Engines
from £1,400 to £4,500
Rebuilt units from £1,400 · Common codes: N47D20C, B47D20, N47D20A
Get quotes from trusted UK BMW X3 engine specialists. Compare reconditioned & used engines for sDrive18d to X3 M - N47/B47/N57 covered. Get a quote before it's too late.
X3 2.0 Diesel Engines
from £1,400 to £4,500
Rebuilt units from £1,400 · Common codes: N47D20C, B47D20, N47D20A
X3 3.0 Diesel Engines
from £1,800 to £5,500
Rebuilt units from £1,800 · Common codes: M57D30, N57D30, N57D30B
X3 Petrol & Performance Engines
from £1,500 to £8,000
Rebuilt units from £1,500 · Common codes: B48B20, B58B30, N52B30, S58

Most replacements completed within 3-5 days.
The table below shows typical UK rebuilt engine costs across BMW X3 variants, covering documented failure causes, chassis generations, engine codes, and fuel types based on current market data.


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Not sure which variant your BMW X3 is- Enter your registration number above - we’ll identify the exact sub-model, engine code and compatible replacement options instantly.

Every engine code fitted to the BMW X3 across all generations (E83, F25, G01), 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 X3 variants.

N47D20 - 2.0 Litre Diesel
Main replacement triggers are timing chain wear, EGR / cooling faults and turbo-control issues.
Compatible variants
Avg. rebuilt price
£1,200 - £3,200
Supply only
Technical specifications
Common failures
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 X3 engine specialists. Every rebuilt engine comes with a minimum 12-month unlimited mileage warranty.

The BMW X3’s reputation in the UK is heavily shaped by its diesel engines, particularly the N47 2.0-litre unit fitted to E83 and early F25 models, where timing chain failure is the single biggest reason owners seek replacement. The improved B47 diesel and the straight-six M57/N57 family have their own failure patterns - but every rebuilt engine supplied...
BMW X3 N47 Timing Chain Failure
Most affected vehicles
BMW X3 E83 2.0d, F25 sDrive18d, F25 xDrive20d (2004-2015, N47D20 & N47D20C)
Failure mileage range
60,000 - 120,000 miles
Typical failure window
Root cause
The timing chain is mounted at the rear of the engine, making it difficult to lubricate adequately. Plastic chain guides become brittle with heat cycling, fracture, and allow the chain to stretch or snap.
Repair options & estimated costs (UK ranges)
| Repair tier | Dealer price | Specialist price | What it involves | Longevity / suitability |
|---|---|---|---|---|
| Minor - Preventative Chain Replacement - Catch it early | £2,800 - £3,500 | £1,600 - £2,200 | Replace timing chain, tensioner, guides, and sprockets. Oil change. | 60k-80k miles. Only viable if engine has no rattles and chain has not jumped timing. |
| Intermediate - Post-Failure Chain & Sprockets - Chain stretched but not snapped | £3,500 - £4,500 | £2,200 - £3,000 | Full chain kit plus replacement sprockets, oil pump chain, sump clean. | 40k-60k miles. Risk remains of existing crank/cam damage. |
| Full Replacement - Rebuilt Engine - Chain snapped or engine seized | £5,500 - £7,500 | £3,500 - £5,000 | Supply and fit rebuilt N47 engine with upgraded timing chain components, bench tested, fresh oil and filters. | 80k-120k miles. Full warranty. Only sensible option after catastrophic failure. |
Our recommendation
If your X3’s N47 is rattling on start-up but still drives normally, the preventative chain replacement is excellent value through a specialist - around £1,600-£2,200, less than half the dealer cost. Once the chain has snapped, replacement is the only realistic route. On an older E83 X3 worth £2,000-£4,000, a £5,000+ dealer repair makes no sense; a specialist-fitted rebuilt engine at £3,500-£5,000 is the pragmatic choice.
Compare rebuilt N47 engine prices for your BMW X3
Every engine type is available through our UK network with typical price ranges based on your X3’s variant, engine code and budget.
Compare BMW X3 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 X3 within hours.

Every displacement fitted to the BMW X3 across E83, F25 and G01 generations is listed below, with compatible engine codes, years, power outputs and common failure notes.
The 2.0-litre diesel is the backbone of the X3 range in the UK, accounting for the majority of sales across all three generations. From the problematic N47 in early E83 and F25 models to the significantly improved B47 in later F25 and G01 cars, this displacement defines X3 engine replacement demand. Common-rail injection and turbocharging deliver strong economy, but the N47's rear-mounted timing chain remains the single biggest failure point in X3 history.
Engine Code(s)
N47D20, N47D20C, B47D20
Compatible Models (UK)
E83 2.0d (2003-2010), F25 sDrive18d (2010-2015), F25 xDrive20d (2010-2017), G01 xDrive20d
Power output
Verified by registration
Common Failure Points
Timing chain stretch, guide fracture on N47 units; EGR cooler failure on B47
Production Years: 2017-2024
Get quotes for BMW X3 2.0L diesel engines
Choose your BMW X3 engine by fuel type to compare realistic replacement prices, known issues, and compatible UK supply options - from early E83 diesels to the latest G01 performance petrols.
The UK X3 market is dominated by diesel engines across all three generations, with the 2.0-litre N47 accounting for the highest replacement volume due to timing chain failures.
Common BMW X3 Diesel Engine Families
Found In
Known For
Typical Diesel Models
The UK X3 market is dominated by diesel engines across all three generations, with the 2.0-litre N47 accounting for the highest replacement volume due to timing chain failures.
Common BMW X3 Diesel Engine Families
Found In
Known For
Typical Diesel Models
Petrol X3s are less common in the UK than diesels, but the B58-powered M40i has created strong replacement demand among performance SUV owners.
Common BMW X3 Petrol Engine Families
Found In
Known For
Typical Petrol Models
The xDrive30e joined the G01 X3 range in 2019, combining a B48 petrol engine with an electric motor for lower benefit-in-kind tax and urban electric running.
BMW X3 PHEV Engine Codes
Found In
Important Notes
Not sure which fuel type your BMW X3 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 X3 specialists.

Track every major engine change across the BMW X3’s production timeline - from the 2003 E83 launch to the latest G45 - so you can identify your exact unit and compare rebuilt engine prices from UK specialists.
⚙Key Changes
▣Main Engines
M54B25- 2.5 petrol (E83 2.5i)
M54B30- 3.0 petrol (E83 3.0i)
M57D30- 3.0 diesel (E83 3.0d)
▰Popular Models
🔧Known For
Engine Codes Covered:
M54B25M54B30M57D30