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X3 Engine for Sale

BMW X3 Engines

Model Name Engine code Year Engine size Chassis Fuel KW HP Cylinders Valves
X Series X3 B48 B16 A 2017-2025 1597cc 1 Petrol 1251 01 41 161
X Series X3 B57 D30 B 2020-2025 2993cc 1 Diesel/Hybrid 1551 2501 61 241
X Series X3 B48 B20 A 2019-2025 1998cc 1 Petrol/Hybrid 1151 1901 41 161
X Series X3 JA1 2020-2025 0cc 1 Diesel/Hybrid 81 01 01 01
X Series X3 B58 B30 B 2019-2025 2998cc 1 Petrol 2751 2851 61 241
X Series X3 B48 B20 B 2017-2025 1998cc 1 Petrol 1201 1951 41 161
X Series X3 B46 B20 B 2019-2025 1998cc 1 Petrol/Hybrid 1201 2151 41 161
X Series X3 B57 D30 A 2017-2020 2993cc 1 Diesel 1551 2351 61 241
X Series X3 B47 D20 B 2018-2020 1995cc 1 Diesel 851 1701 41 161
X Series X3 B58 B30 A 2018-2019 2998cc 1 Petrol 2391 2651 61 241
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 X3 N47 D20 C 2008-2016 2.0 E831 Diesel 661 1501 41 161
X Series X3 N20 B20 A 2011-2016 2.0 F251 Petrol 1101 2051 41 161
X Series X3 N57 D30 A 2011-2016 3.0 F251 Diesel 1501 2101 61 241
X Series X3 N55 B30 A 2010-2016 3.0 F251 Petrol 2001 2721 61 241
X Series X3 N47 D20 A 2008-2016 2.0 E831 Diesel 661 1451 41 161
X Series X3 N57 D30 B 2011-2016 3.0 F251 Diesel 2201 2301 61 241
X Series X3 N52 B25 BF 2006-2011 2.5 E831 Petrol 1301 1601 61 241
X Series X3 N52 B25 A 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 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 N46 B20 B 2005-2008 2.0 E831 Petrol 951 1251 41 161
X Series X3 M54 B30 (306S3) 2004-2008 3.0 E831 Petrol 1631 1701 61 241
X Series X3 M47 D20 (204D4) 2004-2008 2.0 E831 Diesel 851 1201 41 161
X Series X3 M54 B25 (256S5) 2004-2008 2.5 E831 Petrol 1371 1411 61 241
X Series X3 N52 B30 AF 2011-2006 3.0 F251 Petrol 1791 2001 61 241
X Series X3 M57 D30 (306D2) 2004-2006 3.0 E831 Diesel 1501 1601 61 241
X Series X3 N52 B30 A 2006-2006 3.0 E831 Petrol 1551 2001 61 241
X Series X3 N52 B30 BF 2006-2006 3.0 E831 Petrol 1601 2001 61 241

Fully tested BMW X3 Engines: Reconditioned, Rebuilt and Replacement Specialists UK

BMW X3 Engine Replacement Specialists

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.

BMW X3 Engine Common Problems, Causes and Solutions

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.

Reconditioned BMW X3 Engine Process: Diagnosis to Final Handover

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:

  • Engine removal from the vehicle
  • Complete engine dismantling
  • Cleaning of all internal components
  • Detailed inspection and measurement of parts
  • Cylinder-head inspection and pressure testing
  • Crankshaft and bearing inspection
  • Cylinder-bore assessment and machining if required
  • Piston and connecting-rod inspection
  • Replacement of worn bearings, seals and gaskets
  • Timing-system repair or renewal where required
  • Oil-pump and lubrication-system checks
  • Repair or replacement of damaged internal components
  • Engine reassembly to correct specifications
  • Final mechanical and operational testing before refitting

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:

  • The original engine block is still usable
  • Damage is limited to repairable internal components
  • The engine has suffered timing-chain failure
  • Bearings, pistons or valves require renewal
  • The cylinder head can be repaired
  • Oil-pressure loss has caused controlled internal damage
  • You want to retain the original engine unit

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.

Buy Used and Second Hand BMW X3 Engines

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.

Expert Supply, Precise Fitting and Delivery Options

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.

BMW X3 Engine for Sale: Expert Supply and Fitting

Frequently Asked Questions

The cost depends on the engine code, model year, engine condition and whether you need supply only or professional fitting. A VIN-based quotation provides the most accurate price.
Rebuilding may be suitable when the original block and major components are repairable. Replacement is often more practical when the engine is seized, cracked or extensively damaged.
Some seized engines can be rebuilt, but the unit must first be dismantled and inspected. Severe crankshaft, cylinder or engine-block damage may make replacement more economical.
A standard engine replacement may take several working days. The timeframe can increase if additional damage, specialist parts, coding or ancillary repairs are required.
A used engine is removed from another vehicle and checked before supply. A reconditioned engine is dismantled, inspected and rebuilt with worn or damaged components replaced where required.
The correct engine should be identified using the registration number, VIN, production date and engine code. Engine size or model badge alone may not confirm compatibility.
Common signs include timing-chain noise, low oil pressure, overheating, heavy smoke, knocking, coolant loss and severe power reduction. The vehicle should be inspected before further driving.
Some BMW X3 engine replacements require diagnostic adaptations, fault clearing or electronic coding. The exact requirement depends on the model, engine revision and components fitted.
Not always. Replacement engines may be supplied with or without external ancillary components. The quotation should clearly state whether the turbocharger, injectors and other parts are included.
Used, rebuilt and reconditioned BMW X3 engines may include different warranty terms. Check the duration, mileage limit, servicing conditions, labour coverage and exclusions before approving the work.
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