4.6 (280)
Very good service and fast, once on the ramp vehicle done within a week, highly recommend very good people and very honest. Top people
Had my car engine changed by these guys, they changed the engine, the turbo and the clutch
Dropped my Range Rover to BM works, car is spot on, good customer service and turnaround
Great service and communication from Leon. Definitely recommended!
Easy and honest garage. Can’t complain
Absolutely outstanding service from BM Engine Works. These guys really know what they're doing. From start to finish, the service was professional, h...Read more
Best garage recommended
Great service and helpful staff
Great service would 100% recommend
| Model Name | Engine code | Year | Engine size | Chassis | Fuel | KW | HP | Cylinders | Valves | |
|---|---|---|---|---|---|---|---|---|---|---|
| X Series X3 | B48 B20 B | 2017-2025 | 1998cc | Petrol | 120 | 195 | 4 | 16 | ||
| X Series X3 | B46 B20 B | 2019-2025 | 1998cc | Petrol/Hybrid | 120 | 215 | 4 | 16 | ||
| X Series X3 | B48 B16 A | 2017-2025 | 1597cc | Petrol | 125 | 0 | 4 | 16 | ||
| X Series X3 | B57 D30 B | 2020-2025 | 2993cc | Diesel/Hybrid | 155 | 250 | 6 | 24 | ||
| X Series X3 | B48 B20 A | 2019-2025 | 1998cc | Petrol/Hybrid | 115 | 190 | 4 | 16 | ||
| X Series X3 | JA1 | 2020-2025 | 0cc | Diesel/Hybrid | 8 | 0 | 0 | 0 | ||
| X Series X3 | B58 B30 B | 2019-2025 | 2998cc | Petrol | 275 | 285 | 6 | 24 | ||
| X Series X3 | B57 D30 A | 2017-2020 | 2993cc | Diesel | 155 | 235 | 6 | 24 | ||
| X Series X3 | B47 D20 B | 2018-2020 | 1995cc | Diesel | 85 | 170 | 4 | 16 | ||
| X Series X3 | B58 B30 A | 2018-2019 | 2998cc | Petrol | 239 | 265 | 6 | 24 | ||
| X Series X3 | N20 B16 A | 2014-2017 | 1592cc | Petrol | 105 | 135 | 4 | 16 | ||
| X Series X3 | N57 D30 A | 2011-2016 | 3.0 | F25 | Diesel | 150 | 210 | 6 | 24 | |
| X Series X3 | N55 B30 A | 2010-2016 | 3.0 | F25 | Petrol | 200 | 272 | 6 | 24 | |
| X Series X3 | N57 D30 B | 2011-2016 | 3.0 | F25 | Diesel | 220 | 230 | 6 | 24 | |
| X Series X3 | N47 D20 A | 2008-2016 | 2.0 | E83 | Diesel | 66 | 145 | 4 | 16 | |
| X Series X3 | B47 D20 A | 2014-2016 | 2.0 | F25 | Diesel | 85 | 155 | 4 | 16 | |
| X Series X3 | N20 B20 A | 2011-2016 | 2.0 | F25 | Petrol | 110 | 205 | 4 | 16 | |
| X Series X3 | N47 D20 C | 2008-2016 | 2.0 | E83 | Diesel | 66 | 150 | 4 | 16 | |
| X Series X3 | N52 B25 AF | 2006-2011 | 2.5 | E83 | Petrol | 150 | 160 | 6 | 24 | |
| X Series X3 | N52 B25 BF | 2006-2011 | 2.5 | E83 | Petrol | 130 | 160 | 6 | 24 | |
| X Series X3 | N52 B25 A | 2006-2011 | 2.5 | E83 | Petrol | 130 | 160 | 6 | 24 | |
| X Series X3 | M57 D30 (306D5) | 2006-2010 | 3.0 | E83 | Diesel | 198 | 221 | 6 | 24 | |
| X Series X3 | M57 D30 (306D3) | 2008-2009 | 3.0 | E83 | Diesel | 135 | 173 | 6 | 24 | |
| X Series X3 | M47 D20 (204D4) | 2004-2008 | 2.0 | E83 | Diesel | 85 | 120 | 4 | 16 | |
| X Series X3 | M54 B25 (256S5) | 2004-2008 | 2.5 | E83 | Petrol | 137 | 141 | 6 | 24 | |
| X Series X3 | N46 B20 B | 2005-2008 | 2.0 | E83 | Petrol | 95 | 125 | 4 | 16 | |
| X Series X3 | M54 B30 (306S3) | 2004-2008 | 3.0 | E83 | Petrol | 163 | 170 | 6 | 24 | |
| X Series X3 | N52 B30 A | 2006-2006 | 3.0 | E83 | Petrol | 155 | 200 | 6 | 24 | |
| X Series X3 | N52 B30 BF | 2006-2006 | 3.0 | E83 | Petrol | 160 | 200 | 6 | 24 | |
| X Series X3 | N52 B30 AF | 2011-2006 | 3.0 | F25 | Petrol | 179 | 200 | 6 | 24 | |
| X Series X3 | M57 D30 (306D2) | 2004-2006 | 3.0 | E83 | Diesel | 150 | 160 | 6 | 24 |
Engine replacement is a complex job and a major decision for any vehicle owner. It should be guided by proper diagnostics, technical knowledge and proven experience rather than assumptions. If you are looking for BMW X3 engines for sale in the UK, BM Engine Works provides diagnosis-led BMW X3 engine replacement, rebuilding and reconditioning services for petrol, diesel and hybrid models. We identify the correct engine using the vehicle registration, VIN, engine code, fuel type, power output and full specification. This detailed matching process helps prevent costly fitting errors and ensures the replacement unit works correctly with the vehicle's existing systems.
We keep a large stock of verified used, rebuilt and reconditioned BMW X3 engines. Our stock covers F25, G01 and later X3 models, including petrol, diesel and selected hybrid applications. Each engine option is checked before supply or fitting, and we explain the available choices based on the condition of the original engine, repair requirements and long term reliability.
With over 30 years of experience in the automotive industry, BM Engine Works has skilled BMW engine specialists who can diagnose faults, rebuild damaged engines and complete full engine replacements using modern tools and equipment. From the first inspection to final testing and handover, every stage is handled carefully. Book your BMW X3 engine service today and get your vehicle back on the road with a correctly matched, professionally fitted and dependable engine.
F25 and G01 engines do not share one failure pattern. The correct diagnosis depends on the engine family, service history, fault codes and mechanical test results.
| Common Problem | Main Symptoms | Cause | X3 Generations | Our Solution |
|---|---|---|---|---|
|
Timing chain or oil pump chain wear |
Cold start rattle, high pitched whine, timing faults or low oil pressure |
Worn chain, guides, tensioner or oil pump drive |
F25 petrol models using the N20 engine |
Measure chain wear and oil pressure, renew the complete chain system and inspect valves, pistons and bearings for secondary damage. |
|
Rear timing chain wear |
Rear engine rattle, rough running, warning light or loss of compression |
Chain elongation, guide wear or tensioner failure |
Earlier F25 18d and 20d models using the N47 diesel |
Check timing values and oil debris, replace the chain set where viable, or rebuild the engine if timing loss has damaged the head or lower block. |
|
Electric coolant pump failure |
Overheating warning, reduced power or coolant circulation faults |
Failed electric pump or thermostat control fault |
F25 six cylinder petrol models using the N55 engine |
Test pump operation and cooling pressure, replace failed cooling parts and inspect for head gasket or cylinder head damage. |
|
EGR cooler leakage |
Coolant loss, exhaust smell, smoke, power loss or intake damage |
Internal glycol leak mixing with soot and oil deposits |
Selected F25 four and six cylinder diesel models |
Check recall status, pressure test the cooler, inspect the intake and assess the engine for coolant entry or overheating damage. |
|
Oil filter housing coolant leak |
Coolant loss, staining, low coolant warning or overheating |
Deformed housing insert or failed seals |
Selected G01 and later four cylinder petrol applications |
Pressure test the circuit, renew the revised insert and seals, refill correctly and check for overheat damage. |
Early diagnosis may limit the work to a chain, cooling or sealing repair. A jumped chain, sustained oil pressure loss or severe overheating can make a full BMW X3 engine recondition or replacement the safer route.
Every BMW X3 engine recondition starts with proof of failure. We test the complete system because an unresolved oil, cooling, fuel, turbo or exhaust fault can damage the replacement engine.
The full reconditioning and rebuild process can include:
This combined approach allows flexibility depending on the engine's condition. If the original engine block, crankshaft and cylinder head are serviceable, a rebuild enables you to retain your original unit while restoring performance and reliability.
A rebuild or reconditioned engine may be suitable when:
However, if the block is cracked, the crankshaft is beyond repair, or the internal damage is extensive, a replacement engine may offer a more practical and cost-effective solution.
As a specialist supplier, BM Engine Works provides BMW X3 engines for sale for F25, G01 and later models. Stock can include four cylinder and six cylinder petrol engines, diesel units, and selected hybrid compatible petrol engines. Every used BMW engine must match the exact code and specification. A similar engine capacity does not guarantee matching wiring, emissions equipment, sump, turbo or control systems.
A used engine is an original second hand unit that has not received a full internal rebuild. We check donor details, stated mileage, engine identity, rotation, visible oil condition, cooling passages and known weak points. Where possible, we review compression or running evidence and inspect the included turbo and ancillaries.
Customers can choose a supply only used engine or a fitted package. The quotation states what is included, which parts need to be transferred and what warranty applies. This gives customers seeking used BMW X3 engines a clear alternative to a complete rebuild.
Correct matching comes before dispatch or fitting. We use the registration, VIN and engine code to identify the required long engine, complete engine or bare unit. We also check the gearbox interface, drive layout, emission standard, sensors, mounts, sump and ancillary configuration.
For fitted work, technicians remove the failed unit, correct the original cause, transfer approved components and replace unsuitable service parts. The oil system is primed before start up. Coding, adaptations, leak checks, temperature monitoring and a controlled road test are completed before release.
Supply only engines can be prepared for secure delivery to the customer or fitting garage. Engine identity, included parts and warranty terms are confirmed with the order. BM Engine Works provides a complete BMW X3 engine replacement route from initial diagnosis to final handover.
Enter BMW's registration number to locate replacement engine ancillary parts that fit your car.
Select the part or parts you are searching for your vehicle and confirm contact details.
View the prices of all the used and reconditioned engine ancillary parts that will fit your vehicle available in stock.
Order online for a quick delivery or book an appointment for our supply and fit service.