Select your Vehicle Detail

Satisfied Customer Reviews

BM Engine Works Reviews BM Engine Works

4.6 (278)

5
4
3
2
1
4.6
(278) reviews

BMW X Series Engines

Model Name Engine code Year Engine size Chassis Fuel KW HP Cylinders Valves
X Series X3 B48 B20 A 2019-2025 1998cc 1 Petrol/Hybrid 1151 1901 41 161
X Series X3 M S58 B30 A 2019-2025 2993cc 1 Petrol 3531 3751 61 241
X Series X5 B57 D30 C 2018-2025 2993cc 1 Diesel 2941 01 61 241
X Series X3 B58 B30 B 2019-2025 2998cc 1 Petrol 2751 2851 61 241
X Series X5 N63 B44 D 2018-2025 4395cc 1 Petrol 3401 3901 81 321
X Series X5 B58 B30 C 2019-2025 2998cc 1 Petrol/Hybrid 1551 2651 61 241
X Series X3 B48 B20 B 2017-2025 1998cc 1 Petrol 1201 1951 41 161
X Series X3 B57 D30 B 2020-2025 2993cc 1 Diesel/Hybrid 1551 2501 61 241
X Series X3 B48 B16 A 2017-2025 1597cc 1 Petrol 1251 01 41 161
X Series X3 B46 B20 B 2019-2025 1998cc 1 Petrol/Hybrid 1201 2151 41 161
X Series X3 JA1 2020-2025 0cc 1 Diesel/Hybrid 81 01 01 01
X Series X3 B57 D30 A 2017-2020 2993cc 1 Diesel 1551 2351 61 241
X Series X3 B58 B30 A 2018-2019 2998cc 1 Petrol 2391 2651 61 241
X Series X5 B47 D20 B 2015-2018 1995cc 1 Diesel 851 1701 41 161
X Series X5 N63 B40 A 2013-2018 3982cc 1 Petrol 3001 01 81 321
X Series X3 N20 B16 A 2014-2017 1592cc 1 Petrol 1051 1351 41 161
X Series X3 B47 D20 A 2014-2016 2.0 F251 Diesel 851 1551 41 161
X Series X5 N63 B44 A 2010-2016 4.4 E701 Petrol 2981 3301 81 321
X Series X3 N20 B20 A 2011-2016 2.0 F251 Petrol 1101 2051 41 161
X Series X5 N55 B30 A 2010-2016 3.0 E701 Petrol 2001 2721 61 241
X Series X3 N47 D20 C 2008-2016 2.0 E831 Diesel 661 1501 41 161
X Series X6 N54 B30 A 2008-2016 3.0 E71, E721 Petrol 2001 2641 61 241
X Series X5 N57 D30 B 2010-2016 3.0 E701 Diesel 2201 2301 61 241
X Series X3 N47 D20 A 2008-2016 2.0 E831 Diesel 661 1451 41 161
X Series X5 N57 D30 C 2011-2016 3.0 E701 Diesel 2801 01 61 241
X Series X5 M S63 B44 B 2014-2016 4.4 F15, F851 Petrol 4121 4671 81 321
X Series X5 N57 D30 A 2010-2016 3.0 E701 Diesel 1501 2101 61 241
X Series X5 M S63 B44 A 2009-2016 4.4 E701 Petrol 4081 4141 81 321
X Series X5 N47 D20 D 2013-2016 2.0 F15, F851 Diesel 1501 1601 41 161
X Series X5 N63 B44 B 2012-2016 4.4 F15, F851 Petrol 2981 3391 81 321
X Series X5 M62 B46 (468S1) 2002-2015 4.6 E531 Petrol 2551 2611 81 321
X Series X5 M62 B44 (448S2) 2000-2015 4.4 E531 Petrol 2101 01 81 321
X Series X3 N52 B25 BF 2006-2011 2.5 E831 Petrol 1301 1601 61 241
X Series X3 N52 B25 AF 2006-2011 2.5 E831 Petrol 1501 1601 61 241
X Series X3 N52 B25 A 2006-2011 2.5 E831 Petrol 1301 1601 61 241
X Series X5 N62 B48 A 2004-2010 4.8 E531 Petrol 2611 2701 81 321
X Series X3 M57 D30 (306D5) 2006-2010 3.0 E831 Diesel 1981 2211 61 241
X Series X3 M57 D30 (306D3) 2008-2009 3.0 E831 Diesel 1351 1731 61 241
X Series X3 M54 B25 (256S5) 2004-2008 2.5 E831 Petrol 1371 1411 61 241
X Series X3 N46 B20 B 2005-2008 2.0 E831 Petrol 951 1251 41 161
X Series X3 M47 D20 (204D4) 2004-2008 2.0 E831 Diesel 851 1201 41 161
X Series X5 N52 B30 AF 2007-2008 3.0 E701 Petrol 1791 2001 61 241
X Series X5 N62 B48 B 2007-2008 4.8 E701 Petrol 2611 2701 81 321
X Series X5 N62 B44 A 2003-2007 4.4 E531 Petrol 2351 2451 81 321
X Series X5 N 62 B44 2003-2007 4.4 E531 Petrol 1 1 1 1
X Series X3 N52 B30 BF 2006-2006 3.0 E831 Petrol 1601 2001 61 241
X Series X3 N52 B30 A 2006-2006 3.0 E831 Petrol 1551 2001 61 241
X Series X5 M57 D30 (306D2) 2003-2006 3.0 E531 Diesel 1501 1601 61 241
X Series X5 M54 B30 (306S3) 2000-2005 3.0 E531 Petrol 1631 1701 61 241
X Series X5 M57 D30 (306D1) 2001-2005 3.0 E531 Diesel 1351 1421 61 241

BMW X Series Engine Supply & Fitting Specialists: Verified Units, Fast Turnaround

BMW X Series vehicles are known for their smooth power delivery and precise handling. When an engine issue brings your BMW X3, X4, X5 or X7 to a halt, replacing the entire vehicle often isn't necessary. BM Engine Works specialises in supplying reconditioned and used engines for the BMW X Series, giving you a cost effective alternative to purchasing a new engine. Our inventory includes petrol engines, diesel engines and hybrid units across the X range, and every unit is meticulously inspected by trained technicians.

Choosing the right engine supplier matters because BMW engines are complex. A poor quality replacement can lead to overheating, oil leaks and gearbox failures. Our team removes, rebuilds and tests engines following strict factory tolerances, ensuring your replacement BMW engine delivers reliable performance. We also offer professional fitting, diagnostics and nationwide collection/delivery services. Whether you drive an X3 with a compact turbocharged diesel engine or a family sized X5 petrol hybrid, BM Engine Works provides engines for sale that meet BMW's high standards. Each reconditioned engine is backed by a warranty for peace of mind, and our used BMW engines come with mileage verification and service history.

Why Choose BM Engine Works for BMW X Series Engines?

An engine replacement is a major investment. BM Engine Works focuses exclusively on BMW engines, so we understand the nuances of each X Series powertrain. We stock reconditioned and used BMW engines for all generations of the X3, X4, X5, X6 and X7. Our technicians inspect cylinder heads, crankshafts, camshafts and timing chains and replace worn parts with OEM quality BMW parts. This careful remanufacture process restores original power and helps extend engine life, which makes it a smart alternative to buying a new vehicle.

When you purchase a reconditioned or used BMW engine from BM Engine Works, you're dealing with an experienced supplier. We offer:

  • Large inventory: engines for sale covering every X Series model and engine code, from 2.0 litre petrol engines to high torque diesel engines.
  • Quality assurance: each engine undergoes compression tests and leak down checks. Defective components like timing chains, cylinder heads and camshafts are replaced.
  • Flexible services: we provide supply only or supply and fit options, complete with a warranty on reconditioned units and mileage verified used engines. Our technicians can also replace related components such as the gearbox, turbocharger, diesel injectors and water pumps.

Used BMW X Series Engines & Replacement Options

Not every situation requires a complete rebuild. For newer vehicles with low mileage failures, a used BMW engine can be a cost effective solution. Our stock of used engines is sourced from verified suppliers and dismantlers. Each engine is checked for service history, mileage and previous repairs before being added to our inventory. Commonly, we supply used engines for BMW X3 and X7 models where the original engine suffered timing chain failure or overheating. Our technicians test these engines for compression and oil pressure to ensure they meet BMW specifications.

We also offer replacement components such as refurbished cylinder heads, turbochargers and gearboxes. These parts are important because a failing turbo or gearbox can be the root cause of engine failure. When fitting a used engine, our team inspects related systems, cooling, fuel delivery and electronics to prevent repeat failures. Every used engine includes a limited warranty so you can drive away with confidence.

Common BMW X Series Engine Problems and Solutions

BMW engines are sophisticated, and certain models share known issues. Below are real world problems that X Series owners may encounter and how BM Engine Works can help.

Problem & Affected Models Symptoms & Causes Our Solution

Timing chain failure (X3 2013–2017, 3 Series 2012–2015)

Rattling or clicking from engine, check engine light, misfires, loss of power. Causes include worn timing chain guides, faulty tensioners and oil starvation.

Supply and fit a reconditioned engine or replace the timing chain with upgraded guides and tensioners. Our rebuild uses new timing chains and guides to prevent recurrence.

Oil leaks & gasket failures (X5 E53, E70, F15)

Oil spots under the car, burning oil smell, residue around engine. Valve cover, oil filter housing and oil pan gaskets degrade, leading to low oil levels and overheating.

Install new gaskets and seals during engine rebuild. Reconditioned engines include fresh gaskets and proper torque settings.

Transmission & gearbox issues (X5 E70, F15)

Rough shifting, delayed engagement, slipping gear changes due to low fluid, mechatronic unit failures, torque converter faults or software glitches.

Inspect and repair the gearbox. When fitting a replacement BMW engine, we check transmission fluid and update software. Replacement or rebuilt gearboxes are available on request.

Cooling system failures (N62 V8, N55 inline 6)

Overheating, rising engine temperatures, coolant leaks from pumps or radiators. Causes include failing water pumps, stuck thermostats and leaking expansion tanks.

Replace faulty water pumps and radiators. Our reconditioned engines include new water pumps and thermostats, and we flush and refill cooling systems.

VANOS solenoid failure & high pressure fuel pump issues (N55 engines)

Rough idle, loss of power, check engine light. Failing solenoids restrict oil flow to camshafts. Degraded fuel pump O-rings cause poor fuel pressure and hesitation.

During reconditioning, we clean or replace VANOS solenoids and install OEM standard high pressure fuel pumps. Used engines are tested for proper fuel pressure before sale.

Water pump failure & charge pipe problems (N55 engines)

Overheating due to failing electric water pump; loss of power and limp mode from cracked charge pipes.

Fit new electric water pumps and upgrade charge pipes during rebuild. Cooling system is pressure tested and charge pipes inspected before handover.

Understanding these problems helps owners spot issues early and decide whether a reconditioned engine, a used engine or a targeted repair is the best solution. Our technicians use BMW approved diagnostic tools to confirm faults and recommend the right repair path.

Expert Diagnostics, Maintenance & Warranty

Engine reliability depends on regular maintenance and accurate diagnostics. At BM Engine Works, we invest in advanced diagnostic equipment that reads BMW fault codes and monitors systems such as Valvetronic, VANOS, fuel injection and emissions. This allows us to identify weak components before they cause catastrophic failures. We also offer maintenance services like oil changes, cooling system flushes and timing chain inspections. These proactive steps reduce the risk of engine problems and prolong the life of both petrol and diesel engines.

Every reconditioned engine from BM Engine Works comes with a warranty covering parts and labour. This warranty protects you against defects in our workmanship and provides peace of mind. Used engines include a limited warranty based on mileage and age. Whether you need a remanufactured diesel engine for a BMW X5 or a low mileage petrol engine for a compact X3, our warranty gives you confidence in your investment. Our goal is to ensure your BMW returns to the road with the performance and reliability you expect from the brand.

Frequently Asked Questions

Common BMW X Series engine problems include timing chain wear, oil leaks, turbo failure, coolant leaks, overheating, rough idle, excessive smoke, and loss of power.
Yes, a reconditioned BMW X Series engine can be reliable when it is fully stripped, cleaned, inspected, machined, rebuilt with quality parts, and tested before fitting.
BMW X3, BMW X5, BMW X6, and BMW X7 models may need engine replacement after timing chain failure, overheating, oil starvation, turbo damage, or internal engine wear.
A used BMW engine is usually cheaper, but a reconditioned engine is rebuilt, tested, and often gives better long-term reliability with warranty cover.
Signs include rattling noise on start-up, rough running, engine warning light, misfires, poor acceleration, and in severe cases, engine non-start.
Yes, BMW X Series diesel engines can be reconditioned if the engine block, crankshaft, cylinder head, and main components are suitable for rebuilding.
Yes, BMW X Series petrol engines can be replaced with a used, reconditioned, or remanufactured engine depending on the vehicle model, engine code, and fault.
Overheating can be caused by coolant leaks, water pump failure, thermostat faults, radiator problems, head gasket failure, or blocked coolant passages.
Most quality BMW X Series replacement engines come with a warranty, but the length and cover depend on whether the engine is used, reconditioned, or remanufactured.
Use the vehicle registration, engine code, fuel type, model year, and gearbox type to match the correct BMW X Series engine before buying or fitting.
The cost to rebuild or replace a BMW X Series engine depends on the model, engine size, fuel type, mileage, damage level, and whether you choose a used, reconditioned, or remanufactured engine.

700+ Latest Customer Reviews

Youtube reviews

Brilliant Service, Great Communication

Youtube reviews

Fantastic Engine Overhaul with Stage-by-Stage Photo Updates

Youtube reviews

Progress Updates and Great communication

Youtube reviews

Absolutely Perfect Service, Got My Car Back Quickly!

Youtube reviews

Absolutely Fantastic Service and Product – Highly Recommended!

Youtube reviews

Very Honest & Prompt Service

BMW Transformation Gallery

BMW Restoration Stories

Project Name

BMW X5 30d – Engine Replacement Completed

BMW X5 30d – Engine Replacement Completed Vehicle In 23-Mar-2026 Vehicle Out 26-Mar-2026

Initial Diagnosis

This BMW X5 30d underwent a complete engine replacement by our engine replacement specialists, restoring strong performance, smooth driving, and long-term reliability.

Click to Discover More

Project Name

BMW X5 M 4.4 V8 S63B44 – Full Engine Reconditioning & Rebuild

BMW X5 M 4.4 V8 S63B44 – Full Engine Reconditioning & Rebuild Vehicle In 03-Nov-2025 Vehicle Out 07-Nov-2025

Initial Diagnosis

Vehicle arrived undriveable. Our technicians carried out a complete BMW X5M engine rebuild, fully reconditioning the existing BMW X5 4.4 engine to restore factory performance & reliability.

Click to Discover More
Enter REG
Enter Reg

Enter BMW's registration number to locate replacement engine ancillary parts that fit your car.

Select Part
Part

Select the part or parts you are searching for your vehicle and confirm contact details.

View Prices
View Prices

View the prices of all the used and reconditioned engine ancillary parts that will fit your vehicle available in stock.

Place Your Order
Place Your Order

Order online for a quick delivery or book an appointment for our supply and fit service.