October 22, 2026
What is a remanufactured car engine?October 21, 2026
What is engine assembly?The BMW B38A12 is a compact 1.2-liter three-cylinder turbocharged petrol engine developed as part of BMW Group's modular B-series engine family.
The B38 engine family features an aluminum engine construction, direct fuel injection, DOHC valve control, variable valve timing and a timing chain drive.
This product is a remanufactured BMW B38A12 1.2L 3-cylinder petrol engine long block designed for selected BMW Group and MINI applications.
It is suitable for professional engine replacement, engine rebuilding, automotive repair workshops, engine distributors and international B2B automotive parts suppliers.
Engine Family: BMW B38
Engine Code: B38A12 / B38A12A / B38A12U0
Engine Type: 3-Cylinder Turbocharged Petrol Engine
Displacement: 1,198 cc
Displacement: 1.2L
Cylinder Configuration: Inline 3-Cylinder
Number of Valves: 12
Bore: 78.0 mm
Stroke: 83.6 mm
Fuel Type: Petrol / Gasoline
Fuel System: Direct Injection
Valve Train: DOHC
Variable Valve Timing: Double VANOS
Turbocharger: Turbocharged
Timing System: Timing Chain
Cooling System: Liquid Cooled
Engine Block: Aluminum Alloy
Cylinder Head: Aluminum Alloy

Our remanufactured B38A12 long block is intended to provide a reliable replacement solution for worn or damaged original engines.
Unlike a standard used engine, a professionally remanufactured engine is disassembled, cleaned, inspected, measured and rebuilt.
Typical remanufacturing procedures include:
Core Engine Inspection
Complete Engine Disassembly
Professional Cleaning
Dimensional Measurement
Cylinder Block Inspection
Crankshaft Inspection
Piston Inspection
Connecting Rod Inspection
Cylinder Head Inspection
Valve Train Inspection
Replacement of Worn Components
Precision Machining Where Required
Professional Reassembly
Final Quality Inspection
The exact rebuilding process depends on the condition of the original engine core.
Depending on the product configuration, the B38A12 long block may include:
Engine Block
Crankshaft
Pistons
Connecting Rods
Main Bearings
Connecting Rod Bearings
Cylinder Head
Camshafts
Valves
Valve Springs
Timing Components
Additional components may be available depending on the specific product configuration.
The BMW B38A12 1.2L engine is primarily associated with selected MINI applications.
Selected applications include:
MINI F55 One 1.2
MINI F55 One First 1.2
MINI Hatch 5-Door One
MINI Hatch 5-Door One First
Selected applications include:
MINI F56 One 1.2
MINI F56 One First 1.2
MINI Hatch 3-Door One
MINI Hatch 3-Door One First
Selected applications include:
MINI F57 Convertible One 1.2
Selected MINI Convertible 1.2 applications
Vehicle compatibility can vary by model year and market.
Please verify the original engine code and VIN before ordering.
A known BMW/MINI reference for the B38A12A replacement engine application is:
11002455306
Other references may include:
B38A12
B38A12A
B38A12U0
OE/OEM numbers are provided for reference only.
Please confirm the VIN, original engine number and engine code before purchasing.
The major engine components are inspected, measured and restored according to professional remanufacturing procedures.
A remanufactured long block can offer a cost-effective alternative to purchasing a completely new engine assembly.
The rebuilt engine retains the original B38A12 engine architecture and is designed for compatible vehicle applications.
Our remanufactured engines are suitable for:
Engine Rebuilders
Automotive Repair Shops
Engine Distributors
Engine Importers
Automotive Parts Wholesalers
Vehicle Repair Centers
Professional Workshops
The B38A12 family includes different engine versions and output specifications.
For this reason, the engine code alone should not be used as the only compatibility criterion.
Before ordering, please provide:
Vehicle VIN
Original Engine Code
Original Engine Number
OE/OEM Number
Vehicle Model
Model Year
Transmission Type
Photos of the Original Engine
Our technical team can verify the application and recommend the appropriate long block configuration.
The B38A12 is a 1.2-liter three-cylinder turbocharged petrol engine from BMW Group's B38 engine family.
The B38A12 has three cylinders arranged in an inline configuration.
The B38A12 has a displacement of approximately 1,198 cc or 1.2 liters.
Yes. The B38A12 uses turbocharging.
Yes. The engine uses direct petrol injection.
Selected MINI F55, F56 and F57 One and One First models use B38A12 1.2-liter engine applications.
B38A12 is approximately 1.2 liters, while B38A15 is approximately 1.5 liters. They should not be treated as interchangeable engines.
Normally, the turbocharger is an external component and is not included unless specifically stated in the product package.
No. This product is a long block. External accessories and electrical components may not be included unless specifically stated.
Please provide the VIN, original engine number, engine code, OE number, vehicle model and model year for compatibility verification.
Looking for a remanufactured BMW B38A12 1.2L 3-cylinder turbocharged petrol engine long block?
Send us your original engine information and vehicle details.
Our team can help verify compatibility and provide the appropriate B38A12 long block solution for your application.
BMW B38A12 | 1.2L | 3-Cylinder | Turbocharged | Petrol | Remanufactured Long Block