Plastic guide rails hold the timing chain in place.
Applies to the engine B48A20M1, B38A15A, B38A15M1.
Repair: 700–2,900 EUR
2018–2023. The fault list covers this generation and the engines in it. If the listing gives the exact version, pick it below.

Alexander Migl / CC BY-SA 4.0
What to watch for
The list covers the generation, the engines and the transmissions. Once you pick the version, only the faults that apply to it stay.
Plastic guide rails hold the timing chain in place.
Applies to the engine B48A20M1, B38A15A, B38A15M1.
Repair: 700–2,900 EUR
The high pressure pump of these common rail diesels (Bosch CP4) can fail while driving.
Applies to the engine B47C20O1, B47C20T0, B47C20U0.
In these engines the water pump is not belt driven but has its own electric motor.
Applies to the engine B38A15M1, B48A20M1.
The internal fins of the exhaust gas recirculation cooler crack over time, and glycol coolant leaks into the intake, where it mixes with soot.
Applies to the engine B47C20O1, B47C20T0, B47C20U0.
On the early model years the timing chain of the B47 stretches faster than intended.
Applies to the engine B47C20O1, B47C20T0, B47C20U0.
Repair: 1,200–4,500 EUR
The B47 replaced the N47, and the maker fixed the timing chain problem.
Applies to the engine B47C20O1, B47C20T0, B47C20U0.
A rubber gasket seals the oil filter housing to the block.
Applies to the engine B48A20M1.
The maker builds the charge pipe out of plastic, and the coupler at the throttle body is the critical point.
Applies to the engine B48A20M1.
Repair: 100–400 EUR
The manufacturer fixes these for free at a franchised dealer. Ask with the VIN whether it was done. The list covers the whole generation. We did not filter it by model year. Some apply only to a narrower production window.
Most recent: 20 May 2020
20V283000AIR BAGS: AIR BAG/RESTRAINT CONTROL MODULEAIR BAGS: AIR BAG/RESTRAINT CONTROL MODULE20 May 2020 · NHTSA (USA)BMW of North America, LLC (BMW) is recalling certain 2020 X1 xDrive28i, X1 sDrive28i, X2 xDrive28i and X2 sDrive28i, 2020 MINI Clubman Cooper S All4, 2021 MINI Hardtop 2 Door (Cooper, Cooper S, John Cooper Works and Cooper S E) and MINI Hardtop 4 Door (Cooper and Cooper S) vehicles. Due to a problem with the rollover sensor within the air bag control unit, in the event of a rollover crash, the head air bag, seat belt pretensioners and other safety systems, may not activate.
Risk: If the safety systems do not deploy as intended in a roll over crash, it may increase the risk of injury.
Remedy: BMW will notify owners, and dealers will replace the air bag control unit, free of charge. The recall began July 17, 2020. Owners may contact BMW customer service at 1-800-525-7417 or MINI customer service at 1-866-825-1525.
19V601000STEERING:LINKAGES:TIE ROD ASSEMBLYSTEERING:LINKAGES:TIE ROD ASSEMBLY14 August 2019 · NHTSA (USA)BMW of North America, LLC (BMW) is recalling certain 2018-2019 BMW X1 sDrive28i, X1 xDrive28i, 2019 X2 xDrive28i, MINI Cooper S Convertible, Countryman, and John Cooper Works Countryman vehicles. The steering gear tie rod may have been assembled incorrectly, which may result in excessive wear of the tie rod end, eventually causing it to break.
Risk: A broken steering tie rod would lead to a loss of vehicle control, increasing the risk of a crash.
Remedy: BMW will notify owners, and dealers will inspect the vehicles and replace the tie rods and ball joints as necessary, free of charge. The recall began October 11, 2019. Owners may contact BMW customer service at 1-800-525-7417 or MINI customer service at 1-866-825-1525.
18V465000ENGINE AND ENGINE COOLING:ENGINEENGINE AND ENGINE COOLING:ENGINE12 July 2018 · NHTSA (USA)BMW of North America, LLC (BMW) is recalling certain 2018 BMW 540d xDrive vehicles. The crankshaft sensor may be equipped with incorrect firmware, preventing the sensor from properly processing input from the crankshaft reluctor ring, possibly resulting in a vehicle stall. On September 12, 2018, BMW expanded the recall to a total of 5,309 vehicles including certain 2018-2019 BMW 540d xDrive, 230i M240i, M240i xDrive, X2 sDrive28i, X2 xDrive28i, X1 sDrive28i, X1 xDrive28i, 330i, 330i xDrive, 340i, 340i xDrive, 330i xDrive Gran Turismo, 530i, 530i xDrive, 540i, 540i xDrive, 530e, 530e xDrive, 640i xDrive Gran Turismo, 330e, 2019 430i Gran Coupe, 430i xDrive Gran Coupe, 440i Gran Coupe, 440i xDrive Gran Coupe, 430i, 430i xDrive, 440i, 440i xDrive, 740i, 740i xDrive, MINI Cooper, Cooper S, JCW, MINI Countryman (Cooper, Cooper All4, Cooper S, Cooper S All4, JCW All4), and MINI Clubman (Cooper, Cooper S, Cooper All4, Cooper S All4, JCW All4) vehicles.
Risk: A vehicle stall can increase the risk of a crash.
Remedy: BMW will notify owners, and dealers will replace the crankshaft sensor, free of charge. The recall began September 6, 2018. Owners may contact BMW customer service at 1-800-525-7417.
A12/00976/22Safety recallFire, Injuriesno date · EU Safety GateThe micro gas generator inside the seat belt retractor may not have been manufactured to specifications. This may lead to an impairment of the restraint function in case of an accident, increasing the risk of injury. Moreover, there may be spark formation in case of a pressure release outside of the inflator damaged tube, increasing the risk of fire. The product does not comply with the Regulation on the approval and market surveillance of motor vehicles and their trailers, and of systems, components and separate technical units intended for such vehicles.
Remedy: Type of economic operator taking notified measure(s): Manufacturer Category of measure(s): Recall of the product from end users Date of entry into force: Unknown
A12/00996/24Safety recallInjuriesno date · EU Safety GateThe integrated braking system could be compromised, which could lead to an unexpected failure of the hydraulic braking assistance, thereby requiring greater pressure on the brake pedal. This can result in a longer braking distance, as well as failure of the Anti-lock Braking System (ABS) and the Dynamic Stability Control (DSC), increasing the risk of an accident. The product does not comply with the Regulation on the approval and market surveillance of motor vehicles and their trailers, and of systems, components and separate technical units intended for such vehicles.
Remedy: Type of economic operator taking notified measure(s): Manufacturer Category of measure(s): Recall of the product from end users Date of entry into force: Unknown
A12/01039/20Safety recallInjuriesno date · EU Safety GateA rollover detection sensor inside the airbag control unit might be defective. Consequently, in the event of an accident in which the vehicle tips over its roof, the airbag might not properly deploy, increasing the risk of injuries of the passengers.
Remedy: Type of economic operator taking notified measure(s): Manufacturer Category of measure(s): Recall of the product from end users Date of entry into force: Unknown
A12/01342/20Safety recallFireno date · EU Safety GateA short circuit in the high-voltage battery could occur during initial charging due to a particle in the form of a welding bead. This may trigger a chain reaction in the battery, increasing the risk of fire.
Remedy: Type of economic operator taking notified measure(s): Manufacturer Category of measure(s): Recall of the product from end users Date of entry into force: Unknown
A12/01377/22Safety recallFireno date · EU Safety GateDefects in the winding of cell-internal foils in the high-voltage batteries can lead to the occurrence of increased self-discharge. This can cause high voltage cell modules to overheat, increasing the risk of fire. The product does not comply with the Regulation on the approval and market surveillance of motor vehicles and their trailers, and of systems, components and separate technical units intended for such vehicles.
Remedy: Type of economic operator taking notified measure(s): Manufacturer Category of measure(s): Recall of the product from end users Date of entry into force: Unknown
A12/01785/21Safety recallInjuriesno date · EU Safety GateThe screws which were used to assemble seatbelts and also on the rear seats of the vehicles concerned may not have been manufactured in accordance with specifications. In some cases, the screws in question cannot withstand extreme loads, which could increase the risk of injury in the event of an accident. The product does not comply with the requirements laid down in the Regulation on the approval and market surveillance of motor vehicles and their trailers, and of systems, components and separate technical units intended for such vehicles.
Remedy: Type of economic operator taking notified measure(s): Manufacturer Category of measure(s): Recall of the product from end users Date of entry into force: Unknown
A12/1491/19Safety recallInjuriesno date · EU Safety GateA spherical-collar disk is missing on the tie rod end of the steering gear. Consequently, the steering gear might break due to excessive wear, leading to a loss of steering control, increasing the risk of accident.
Remedy: Type of economic operator taking notified measure(s): Manufacturer Category of measure(s): Recall of the product from end users Date of entry into force: Unknown
SR/00053/25Safety recallInjuriesno date · EU Safety GateThe hollow shaft of the servomotor was not welded correctly. The weld may not be able to withstand high braking pressure build-up and may break. In this case, the reduced braking performance requires greater force and the braking distance may increase. In addition, the ABS and DSC brake control systems are not assisted. This increases the risk of an accident. The product does not comply with the Regulation on the approval and market surveillance of motor vehicles and their trailers, and of systems, components and separate technical units intended for such vehicles.
Remedy: Type of economic operator taking notified measure(s): Manufacturer Category of measure(s): Recall of the product from end users Date of entry into force: Unknown
F39 · 2018–2023
The fault list opens on the version page.
18 versions
1.5 l · 1496 cm³
B37C15U0
X2 sDrive16d
2018–2023 · X2 sDrive16d
1.5 l · 1496 cm³
B37C15U0 · GS6-UKL
X2 sDrive16d
2018–2023 · X2 sDrive16d
1.5 l · 1499 cm³
no engine code
X2 xDrive25e
2018–2023 · X2 xDrive25e
1.5 l · 1499 cm³
B38A15M1 · GS6-UKL
X2 sDrive18i
2018–2023 · X2 sDrive18i
1.5 l · 1499 cm³
B38A15M1 · 7DCT
X2 sDrive18i
2018–2023 · X2 sDrive18i
1.5 l · 1499 cm³
B38A15M1 · 7DCT
X2 sDrive18i
2018–2023 · X2 sDrive18i
1.5 l · 1499 cm³
B38A15M1 · GS6-UKL
X2 sDrive18i
2018–2023 · X2 sDrive18i
2.0 l · 1995 cm³
B47C20U0 · GA8F22AW
X2 sDrive18d
2018–2023 · X2 sDrive18d
2.0 l · 1995 cm³
B47C20U0 · GS6-UKL
X2 sDrive18d
2018–2023 · X2 sDrive18d
2.0 l · 1995 cm³
B47C20U0 · GS6-UKL
X2 xDrive18d
2018–2023 · X2 xDrive18d
2.0 l · 1995 cm³
B47C20U0 · GA8F22AW
X2 xDrive18d
2018–2023 · X2 xDrive18d
2.0 l · 1995 cm³
B47C20O1 · GA8F22AW
X2 sDrive20d
2018–2023 · X2 sDrive20d
2.0 l · 1995 cm³
B47C20O1 · GA8F22AW
X2 xDrive20d
2018–2023 · X2 xDrive20d
2.0 l · 1995 cm³
B47C20T0 · GA8F22AW
X2 xDrive25d
2018–2023 · X2 xDrive25d
2.0 l · 1998 cm³
B48A20M1 · 7DCT
X2 sDrive20i
2018–2023 · X2 sDrive20i
2.0 l · 1998 cm³
B48A20M1 · GA8F22AW
X2 sDrive20i
2018–2023 · X2 sDrive20i
2.0 l · 1998 cm³
B48A20M1 · GA8F22AW
X2 xDrive20i
2018–2023 · X2 xDrive20i
2.0 l · 1998 cm³
B48A20M1 · 7DCT
X2 M35i
2018–2023 · X2 M35i
Neighbouring generations
F39 (2018-2023). If the listing is from the changeover year, look at the neighbour too.
Common questions
2018–2023. The changeover year can fall in two generations. If the listing is from that year, look at the neighbour too.
No. It depends on the engine and the transmission too.
The fault list is.
We write the descriptions, and we put the source next to them. A person reviews them before they go out. They are still information, not a technical expert opinion.