BMW X7 Diesel Engines
from £1,200 to £4,500
Rebuilt units from £2,800 · Common codes: B57D30, B57D30T0, B57D30T1, B57D30T2
BMW ENGINE MARKETPLACE
BMW X7 B57/B58/N63 Engine Solutions - UK Specialists
Get quotes from trusted UK BMW X7 engine specialists. Compare reconditioned & used engines for xDrive30d to M60i - B57/B58/N63 covered. Get a quote before it's too late.
Supply & Fit Available
12-Month Warranty
Nationwide Delivery
100+ Suppliers
BMW X7 Petrol Engines
from £1,500 to £5,200
Rebuilt units from £3,200 · Common codes: B58B30, B58B30M1, B58B30M2
BMW X7 V8 Engines
from £4,500 to £12,000
Rebuilt units from £7,500 · Common codes: S68B44, N63B44T3
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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 X7 Replacement Engineto Finding the Best BMW X7 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 X7 Engine Replacement
The table below shows typical UK rebuilt engine costs across BMW X7 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
Customer Reviews
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Rated 4.8 out of 5 by 1,081 verified customers who sourced reconditioned and used BMW X7 engines through EngineMarket.
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Variants We Cover
BMW X7 Engine ReplacementAll Variants Covered
X7 xDrive30d M Sport
B57D30 3.0L Diesel
Rebuilt Engines: £2,900-£4,600
X7 xDrive50i
N63B44T3 4.4L Petrol
Rebuilt Engines: £5,800-£9,200
X7 xDrive40i M Sport
B58B30 3.0L Petrol
Rebuilt Engines: £3,600-£5,600
X7 xDrive45e
B58B30 3.0L Hybrid
Rebuilt Engines: £3,800-£5,600
X7 Alpina XB7
S68B44 4.4L Petrol
Rebuilt Engines: £8,500-£13,500
X7 xDrive30d LCI
B57D30 3.0L MHEV
Rebuilt Engines: £3,100-£4,700
X7 xDrive40i LCI
B58B30M2 3.0L MHEV
Rebuilt Engines: £3,900-£5,800
Not sure which variant your BMW X7 is- Enter your registration number above - we'll identify the exact sub-model, engine code and compatible replacement options instantly.
X7
Engine Codes
BMW X7 Engine CodesFull Technical Specifications & Replacement Guide
Every engine code fitted to the BMW X7 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 X7 variants.
B57D30 - 3.0L Diesel
Main replacement triggers are timing chain wear, EGR / cooling faults and turbo-control issues.
Compatible variants
xDrive30dxDrive30d M SportxDrive30d ExcellencexDrive30d LCIxDrive30d M Sport LCI
Avg. rebuilt price
£2,800 - £4,500
Supply only
Technical specifications
- Fuel type
- Diesel
- Engine size
- 3.0L
- Power output
- 265-286 hp
- Years fitted
- Check by registration
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 X7 engine specialists. Every rebuilt engine comes with a minimum 12-month unlimited mileage warranty.
X7
Common Problems
BMW X7 Engine Problems - What It Costs to Fix & When Replacement Makes Sense
The BMW X7 relies on complex turbocharged petrol and diesel engines that deliver exceptional performance but are sensitive to maintenance intervals and thermal stress. Replacement demand across the range is dominated by the B57 3.0L diesel, B58 3.0L inline-six, and S68/N63 4.4L V8 families, particularly around timing components, VANOS systems, and high-heat...
BMW X7 Timing Chain Stretch - Why Early B57 & B58 Engines Fail
BMW X7 Timing Chain Stretch
Most affected vehicles
BMW X7 xDrive30dxDrive40i (2018-2022
BMW X7 xDrive30d, xDrive40i (2018-2022, B57D30 & B58B30)
Failure mileage range
60,000 - 90,000 miles
Typical failure window
Root cause
Early-generation plastic timing chain tensioners and guides degrade under repeated heat cycles, allowing chain slack that accelerates wear and can lead to catastrophic valve-to-piston interference.
Repair options & estimated costs (UK ranges)
| Repair tier | Dealer price | Specialist price | What it involves | Longevity / suitability |
|---|---|---|---|---|
| Minor - Preventative Timing Chain Kit Replacement | £1,800 - £2,600 | £1,200 - £1,750 | Full removal of front cover, replacement of chain, guides, tensioners, and oil pump drive with upgraded materials. | Restores factory timing geometry; highly recommended before 80k miles to prevent secondary damage. |
| Full Replacement - Rebuilt / Reconditioned Engine | £8,500 - £12,000 | £4,800 - £7,800 | Supply & fit of a fully rebuilt engine featuring upgraded timing components addressing the original failure point, bench testing with BMW diagnostics, and 12-month warranty. | Solves existing catastrophic failure and resets long-term reliability with warranty-backed components. |
Our recommendation
On a BMW X7 valued at £35,000-£50,000, preventative timing chain replacement is the most cost-effective route if caught before rattle or fault codes appear. However, if the vehicle has experienced loss of power, metal debris in the sump, or a seized engine, a full rebuilt unit is the only financially viable solution.
Compare rebuilt B57 & B58 BMW X7 engine pricesReplacement Engine Options
BMW X7 Engine TypesOptions, Costs & What to Expect
Every engine type is available through our uk network with typical price ranges based on your exact variant, engine code and budget requirements.
BMW X7 Reconditioned Engines (Recon)£2,800 - £4,800((supply only))
BMW X7 Rebuilt Engines£3,200 - £5,500((supply only))
BMW X7 Used Engines£1,800 - £3,500((supply only))
BMW X7 Remanufactured Engines£4,500 - £7,500((supply only))
BMW X7 Refurbished Engines£2,200 - £3,800((supply only))
Compare BMW X7 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 X7 within hours.
Engine Sizes
BMW X7 Engines by SizeFind the Right Displacement for Your Variant
Every engine displacement fitted to the BMW X7 across the G07 generation is detailed below, complete with compatible engine codes, production years and documented failure points to ensure precise replacement matching.
The 3.0-litre B57 inline-six diesel serves as the backbone of the X7 lineup, introduced at launch in 2018 and refined through the 2023 LCI update. Featuring sequential twin-turbocharging, advanced common-rail injection and a 48V mild-hybrid system across all LCI variants, this unit balances heavy SUV refinement with exceptional low-end torque. It remains the most sought-after displacement for UK owners prioritising towing capability and long-distance efficiency.
⚙
Engine Code(s)
B57D30, B57D30T0, B57D30T1, B57D30T2
▣
Compatible Models (UK)
xDrive30d (2018-2024), xDrive40d (2018-2024), M50d (2018-2022), LCI xDrive30d/40d MHEV
ϟ
Power output
Verified by registration
△
Common Failure Points
Early B57 timing chain tensioner wear, EGR cooler cracking under thermal stress, high-pressure fuel pump degradation at high mileage
Production Years: 2023-2024
Get quotes for BMW X7 3.0L diesel enginesBMW X7 Engines Fuel Type
BMW X7 Engines by Fuel Type
Choose your BMW X7 engine by fuel type to compare realistic replacement prices, known issues, and compatible UK supply options - from early xDrive30d diesels to the latest M60i V8 and electrified variants.
BMW X7 Diesel Engines
DieselThe B57 inline-six diesel dominates UK X7 replacement enquiries, spanning the complete G07 generation with refined torque and exceptional motorway efficiency.
Common BMW X7 Diesel Engine Families
- •B57D30 - baseline 3.0L single-turbo unit, known for strong low-end torque
- •B57D30T0 - sequential twin-turbo variant, delivering rapid mid-range acceleration
- •B57D30T1 - complex quad-turbo configuration, requiring specialist turbo handling
Found In
- •G07 Pre-LCI (2018-2022) - B57D30, B57D30T0, B57D30T1
- •G07 LCI (2023-present) - B57D30T2 MHEV
Known For
- •Exceptional towing capability and premium long-distance fuel economy
- •Early B57 timing chain tensioner degradation requiring proactive inspection
- •DPF and EGR cooler sensitivity on frequent short urban journeys
Typical Diesel Models
- •xDrive30d
- •xDrive40d
- •M50d
1 of 3
BMW X7 Diesel Engines
DieselThe B57 inline-six diesel dominates UK X7 replacement enquiries, spanning the complete G07 generation with refined torque and exceptional motorway efficiency.
Common BMW X7 Diesel Engine Families
- •B57D30 - baseline 3.0L single-turbo unit, known for strong low-end torque
- •B57D30T0 - sequential twin-turbo variant, delivering rapid mid-range acceleration
- •B57D30T1 - complex quad-turbo configuration, requiring specialist turbo handling
Found In
- •G07 Pre-LCI (2018-2022) - B57D30, B57D30T0, B57D30T1
- •G07 LCI (2023-present) - B57D30T2 MHEV
Known For
- •Exceptional towing capability and premium long-distance fuel economy
- •Early B57 timing chain tensioner degradation requiring proactive inspection
- •DPF and EGR cooler sensitivity on frequent short urban journeys
Typical Diesel Models
- •xDrive30d
- •xDrive40d
- •M50d
BMW X7 Petrol Engines
PetrolBMW X7 petrol variants rely on the acclaimed B58 inline-six and hot-vee V8 architectures, prioritising seamless power delivery and refined high-speed cruising.
Common BMW X7 Petrol Engine Families
- •B58B30 - modular 3.0L inline-six, celebrated for robust bottom-end strength
- •B58B30M1/M2 - updated mild-hybrid inline-six, featuring refined cooling systems
- •N63B44T3 - twin-turbo 4.4L V8, delivering immense effortless torque
Found In
- •G07 Pre-LCI (2018-2022) - B58B30, N63B44T3
- •G07 LCI (2023-present) - B58B30M2, S68B44
Known For
- •Silky smooth inline-six refinement and responsive twin-turbo acceleration
- •B58 VANOS solenoid failures triggering P0011/P0012 warning codes
- •N63/S68 V8 hot-vee oil consumption and turbo wastegate linkage wear
Typical Petrol Models
- •xDrive40i
- •xDrive50i
- •M50i
BMW X7 Hybrid / Electrified Engines
MHEVThe BMW X7 xDrive45e combines a refined combustion engine with a high-voltage electric motor, requiring certified handling for safe replacement.
BMW X7 PHEV Engine Codes
- •B57D30T2 - updated 3.0L diesel across LCI xDrive30d/40d variants
- •B58B30M1 - revised 3.0L petrol across LCI xDrive40i variants
- •48-volt belt-starter generator captures braking energy for torque fill
Found In
- •G07 LCI variants (2023-present)
- •xDrive45e variants (2020-2024)
Important Notes
- •MHEV electrical components remain paired with the combustion unit
- •Independent specialist supplier availability exceeds full plug-in hybrids
- •Standard 12-month warranty applies provided hybrid systems are certified
Not sure which fuel type your BMW X7 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 X7 specialists.
Engine YearsGet quotes for 2018-2022 BMW X7 replacement engines →
BMW X7 Engines by YearWhat Was Fitted & WhenBMW X7 Engines by Year - What Was Fitted & When
This technical timeline covers every major engine change across the BMW X7 G07 production run, organised so owners can quickly identify their exact engine code and compare rebuilt replacement prices from UK specialists.
⚙Key Changes
- ✓BMW X7 G07 platform launched with xDrive all-wheel drive as standard across all variants
- ✓B57D30 and B58B30 engine families introduced with sequential turbocharging and Valvetronic
- ✓M50d quad-turbo diesel and xDrive50i/N63 V8 performance variants added to range
- ✓xDrive45e plug-in hybrid variant introduced for 2020 model year with B58-based powertrain
▣Main Engines
B57D30- 3.0L diesel (xDrive30d, xDrive30d M Sport)
B57D30T0- 3.0L twin-turbo diesel (xDrive40d, xDrive40d Excellence)
B57D30T1- 3.0L quad-turbo diesel (M50d)
B58B30- 3.0L petrol (xDrive40i, xDrive40i M Sport)
N63B44T3- 4.4L twin-turbo V8 (xDrive50i, M50i)
▰Popular Models
- •BMW X7 xDrive30d
- •BMW X7 xDrive40i
- •BMW X7 xDrive40d
- •BMW X7 M50d
- •BMW X7 xDrive50i
🔧Known For
- ✓B57 and B58 inline-six engines deliver exceptional refinement and strong low-end torque for heavy SUV duties
- ✓Early pre-LCI B57 units susceptible to timing chain tensioner wear between 60k-90k miles
- ✓N63B44T3 V8 hot-vee layout concentrates heat, leading to oil consumption concerns at higher mileage
- ✓VANOS solenoid failures (P0011/P0012) on B58 petrol variants trigger rough idle and limp mode
Engine Codes Covered:
B57D30B57D30T0B57D30T1B58B30N63B44T3B58B30 (PHEV)Not sure which year your BMW X7 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 X7 specialists.
FAQ