Plastic guide rails hold the timing chain in place.
Applies to the engine B48B20, B48B20M1, B48B20O1.
Repair: 700–2,900 EUR
2018–. The fault list covers this generation and the engines in it. If the listing gives the exact version, pick it below.

Vauxford / 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 B48B20, B48B20M1, B48B20O1.
Repair: 700–2,900 EUR
The high pressure pump of these common rail diesels (Bosch CP4) can fail while driving.
Applies to the engine B47D20.
In these engines the water pump is not belt driven but has its own electric motor.
Applies to the engine B48B20, B48B20M1, B48B20O1 and 1 more.
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 B47D20, B57D30O0, B57D30O2 and 2 more.
On the early model years the timing chain of the B47 stretches faster than intended.
Applies to the engine B47D20.
Repair: 1,200–4,500 EUR
The B47 replaced the N47, and the maker fixed the timing chain problem.
Applies to the engine B47D20, B57D30O0, B57D30O2 and 2 more.
A rubber gasket seals the oil filter housing to the block.
Applies to the engine B48B20, B48B20M1, B48B20O1 and 1 more.
The crankcase ventilation leads the gas that forms in the crankcase back to the intake and separates the oil out of it on the way.
Applies to the engine B48B20, B48B20M1, B48B20O1 and 1 more.
Repair: 80–900 EUR
4 more faults belong to this generation. On the version page, only the ones that apply stay.
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: 7 July 2026
SR/02180/26Safety recallFire7 July 2026 · EU Safety GateThe RSW22 starter with reinforced water tightness (RWT) may experience increased abrasion of the magnetic contact, causing deposits to build up at the lowest point inside the relay. These deposits may increase relay contact resistance, leading to starting failures or short circuits. If a short circuit occurs, either when attempting to start the vehicle or while driving due to vibration-related movement of the deposits, it could cause a thermal event and increase 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: 07/07/2026
SR/00551/26Safety recallFire30 January 2026 · EU Safety GateThe failure concerns the RSW22 starter, type RWT (reinforced for watertightness). Increased abrasion of the magnetic contact can lead to the formation of deposits at the lowest point of the relay interior. This in turn can increase the resistance of the relay contact, causing accidental ignition or even short circuits, possibly leading to a thermal reaction and 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: 30/01/2026
SR/00568/26Safety recallFire30 January 2026 · EU Safety GateThe failure concerns the RSW22 starter, type RWT (reinforced for watertightness). Increased abrasion of the magnetic contact can lead to the formation of deposits at the lowest point of the relay interior. This in turn can increase the resistance of the relay contact, causing accidental ignition or even short circuits, possibly leading to a thermal reaction and 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: 30/01/2026
SR/00584/26Safety recallFire30 January 2026 · EU Safety GateThe failure concerns the RSW22 starter, type RWT (reinforced for watertightness). Increased abrasion of the magnetic contact can lead to the formation of deposits at the lowest point of the relay interior. This in turn can increase the resistance of the relay contact, causing accidental ignition or even short circuits, possibly leading to a thermal reaction and 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: 30/01/2026
24V910000AIR BAGSAIR BAGS5 December 2024 · NHTSA (USA)BMW of North America, LLC (BMW) is recalling certain 2025 X4 xDrive 30i, X4 M40i and X4 M vehicles. The inner-left roof frame near the head air bag may have a crack that can damage the head air bag during deployment.
Risk: An air bag that is damaged during deployment can increase the risk of injury in a crash.
Remedy: Dealers will inspect and if necessary, repair the inner-left roof frame, free of charge. Owner notification letters were mailed January 28, 2025. Owners may contact BMW customer service at 1-800-525-7417.
23V770000STEERINGSTEERING16 November 2023 · NHTSA (USA)BMW of North America, LLC (BMW) is recalling certain 2024 2 Series Coupe (230i), 330i, X3 sDrive30i, X3 xDrive30i, X3 M40i, and X4 xDrive30i, X4 M40i vehicles. The steering gear may not have been tightened properly, which can allow it to loosen.
Risk: A loose steering gear can cause a loss of vehicle control, increasing the risk of a crash.
Remedy: Dealers will replace the steering gear, free of charge. Owner notification letters were mailed January 11, 2024. Owners may contact BMW customer service at 1-800-525-7417.
23V211000SEATSSEATS29 March 2023 · NHTSA (USA)BMW of North America, LLC (BMW) is recalling certain 2019-2021 330i, 330i xDrive, M340i xDrive, 2020-2021 X3 sDrive30i, X3 xDrive30i, X3 M40i, X3M, 2021 X3 xDrive30e, X4 xDrive30i, and X4M vehicles. The seat frame may not have been welded properly to the seat rails.
Risk: An improperly welded seat frame may not properly restrain the occupant during a crash, increasing the risk of injury.
Remedy: Dealers will replace the seat frame and back rest, free of charge. Owner notification letters were mailed May 22, 2023. Owners may contact BMW customer service at 1-800-525-7417.
22V070000POWER TRAIN:AUTOMATIC TRANSMISSIONPOWER TRAIN:AUTOMATIC TRANSMISSION9 February 2022 · NHTSA (USA)BMW of North America, LLC (BMW) is recalling certain 2022 330i, 530i, X3 xDrive30i, and X4 xDrive30i vehicles. The mechatronics unit inside the transmission may not have been assembled properly, which could result in an internal leak.
Risk: An internal transmission leak can result in a vehicle rollaway, increasing the risk of a crash or injury.
Remedy: Dealers will replace the transmission mechatronics unit, free of charge. All of the vehicle population for this recall have been repaired. Owner notification letters were not mailed. Owners may contact BMW customer service at 1-800-525-7417.
21V831000EXTERIOR LIGHTINGEXTERIOR LIGHTING22 October 2021 · NHTSA (USA)BMW of North America, LLC (BMW) is recalling certain 2022 X4 xDrive30i, X4 M40i, and X4M vehicles. The rear license plate may not be illuminated properly. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 108, "Lamps, Reflective Devices, and Associated Equipment."
Risk: The incorrectly positioned license plate lamp cutouts could cause confusion to other drivers on the road, increasing the risk of a crash.
Remedy: Dealers will modify the rear license plate bracket, free of charge. Owner notification letters were mailed on December 17, 2021. Owners may contact BMW customer service at 1-800-525-7417.
21V646000EQUIPMENT:OTHER:LABELSEQUIPMENT:OTHER:LABELS18 August 2021 · NHTSA (USA)BMW of North America, LLC (BMW) is recalling certain X4 xDrive30i vehicles. The tire label may contain the wrong tire size and pressure information. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 110, "Tire Selection and Rims."
Risk: Incorrect tire size and pressure information could result in the wrong tires being installed, or improperly inflated tires, increasing the risk of a crash.
Remedy: Dealers will replace the tire information label, free of charge. Owners may contact BMW customer service at 1-800-525-7417.
21V521000AIR BAGS:FRONTALAIR BAGS:FRONTAL8 July 2021 · NHTSA (USA)BMW of North America, LLC (BMW) is recalling certain 2018-2019 X3 sDrive30i, X3 xDrive30i, X3 M40i and 2019 X4 xDrive30i, and X4 M40i vehicles. The front passenger seat occupant classification system may have been improperly assembled, which could result in the misclassification of the seat as unoccupied, and deactivate the front air bag.
Risk: A deactivated front air bag will not deploy in the event of a crash, increasing the risk of injury.
Remedy: Dealers will replace the seat foam, which includes the occupant classification system, free of charge. Owner notification letters were mailed on September 3, 2021. Owners may contact BMW customer service at 1-800-525-7417.
21V199000FUEL SYSTEM, GASOLINE:STORAGE:TANK ASSEMBLYFUEL SYSTEM, GASOLINE:STORAGE:TANK ASSEMBLY24 March 2021 · NHTSA (USA)BMW of North America, LLC (BMW) is recalling certain 2021 X3 sDrive30i, X3 xDrive30i, X3 M40i, X3M, and X4, and 2021 X4 xDrive30i vehicles. The inlet check valve weld may fail, allowing the filling pipe to separate from the fuel tank.
Risk: Fuel may leak through the failed weld, increasing the risk of a fire.
Remedy: BMW will notify owners, and dealers will replace the fuel tank, free of charge. The recall is scheduled to begin May 17, 2021. Owners were also contacted by telephone. To date, all repairs have been done. No further owner notification letters will be sent. Owners may contact BMW customer service at 1-800-525-7417.
20V598000BACK OVER PREVENTION: SENSING SYSTEM: CAMERABACK OVER PREVENTION: SENSING SYSTEM: CAMERA30 September 2020 · NHTSA (USA)BMW of North America, LLC (BMW) is recalling certain 2020-2021 X3 sDrive 30i, X3 xDrive 30i, X3M 40i, X3 xDrive 30e, X4 xDrive 30i, X4M 40i, 530i, 540i, 540i xDrive, M550i xDrive, M5, 550e, 550e xDrive, and 550e iPerformance vehicles. A small portion of the rearview image may be slightly obscured. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 111, "Rear Visibility."
Risk: If the driver relies on only the rearview camera image, the reduced rearview image view can increase the risk of a crash or injury.
Remedy: BMW will notify owners, and dealers will inspect and, if necessary, program the rearview camera with updated software. The recall began November 18, 2020. Owners may contact BMW customer service at 1-800-525-7417.
20V164000SEAT BELTS:FRONT:BUCKLE ASSEMBLYSEAT BELTS:FRONT:BUCKLE ASSEMBLY19 March 2020 · NHTSA (USA)BMW of North America, LLC (BMW) is recalling certain 2020 X3 xDrive30e, X4 xDrive30i, X4 M40i, X4M, 330i, 330i xDrive, M340i, 840i Gran Coupe, 840i xDrive Gran Coupe, M850i xDrive Gran Coupe, M8 Gran Coupe, X3 sDrive30i, X3 xDrive30i, X3 M40i, X3M, and 840i xDrive Convertible vehicles. The sensors in the front seat belt buckles may inaccurately detect a belted occupant as unbelted, possibly causing the air bag and seat belt pretensioners to deploy improperly in the event of a crash.
Risk: If the air bag and/or seat belt pretensioners deploy improperly in the event of a crash, there is an increased risk of injury to the driver and front passenger.
Remedy: BMW will notify owners, and dealers will inspect and replace the front seat belt buckles, as necessary, free of charge. The recall began May 18, 2020. Owners may contact BMW customer service at 1-800-525-7417.
20V152000ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANELELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL18 March 2020 · NHTSA (USA)BMW of North America, LLC (BMW) is recalling certain 2019-2020 X4 xDrive30i and X4 M40i, and 2018-2020 X3 sDrive30i, X3 xDrive30i, X3 M40i, and X3M vehicles. The instrument panel casing may not have been tightened properly to the passenger air bag.
Risk: In the event of a crash necessitating air bag deployment, the air bag could damage the instrument panel and cause small pieces of the panel to strike the driver or other occupants, increasing the risk of injury.
Remedy: BMW will notify owners, and dealers will replace the instrument panel casing, free of charge. The recall began May 15, 2020. Owners may contact BMW customer service at 1-800-525-7417.
19V738000STEERING:RACK AND PINION:PINION SHAFTSTEERING:RACK AND PINION:PINION SHAFT16 October 2019 · NHTSA (USA)BMW of North America, LLC (BMW) is recalling certain 2020 BMW X3 M40i and X4 M40i vehicles. The steering rack pinion teeth may break under load, resulting in a loss of steering control.
Risk: A loss of steering control increases risk of a crash.
Remedy: BMW has notified owners, and dealers will replace the steering gear, free of charge. The recall began October 9, 2019. Owners may contact BMW customer service at 1-800-525-7417.
19V678000SUSPENSION:FRONTSUSPENSION:FRONT25 September 2019 · NHTSA (USA)BMW of North America, LLC (BMW) is recalling certain 2020 X3 sDrive30i, X3 xDrive30i, and X3 M40i vehicles, X4 xDrive30i, and X4 M40i vehicles. The front axle swivel bearings may not have been properly heat treated during manufacturing, reducing their strength and possibly causing them to break.
Risk: Broken swivel bearings can cause a loss of vehicle control, increasing the risk of a crash.
Remedy: BMW has notified owners and instructed them to not drive their vehicles. Dealers will replace the front axle swivel bearings, free of charge. Owners may contact BMW customer service at 1-800-525-7417.
19V563000SEATSSEATS31 July 2019 · NHTSA (USA)BMW of North America, LLC (BMW) is recalling certain 2018-2019 X3 sDrive30i, xDrive30i and M40i and 2019 X4 xDrive30i and M40i vehicles. The front seatback frames may have been improperly welded, allowing the seatback to unexpectedly fold forward or rearward.
Risk: In the event of a crash, there is an increased risk of injury if the seatback folds forward or rearward.
Remedy: BMW will notify owners, and dealers will replace the front seats, free of charge. The recall began September 27, 2019. Owners may contact BMW customer service 1-800-525-7417.
19V291000AIR BAGS:FRONTAL:PASSENGER SIDE:INFLATOR MODULEAIR BAGS:FRONTAL:PASSENGER SIDE:INFLATOR MODULE10 April 2019 · NHTSA (USA)BMW of North America, LLC (BMW) is recalling certain 2019 X3 sDrive30i, X3 xDrive30i, X3 M40i, and X4 M40i vehicles. The instrument panel assembly may have been improperly manufactured, possibly affecting the deployment of the passenger's frontal air bag.
Risk: If the front passenger air bag does not deploy properly in the event of a crash, the occupant has an increased risk of injury.
Remedy: BMW will notify owners, and dealers will replace the instrument panel assembly, free of charge. The recall began June 3, 2019. Owners may contact BMW customer service at 1-800-525-7417.
18V453000SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DISC:CALIPERSERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DISC:CALIPER6 July 2018 · NHTSA (USA)BMW of North America, LLC (BMW) is recalling certain 2018-2019 BMW X3 sDrive30i, X3 xDrive30i, X3 M40i and certain 2019 X4 xDrive30i and X4 M40i vehicles. The rear brake caliper pistons on these vehicles may have an insufficient coating, potentially reducing rear brake performance.
Risk: A reduction of braking performance can increase the risk of a crash.
Remedy: BMW will notify owners, and dealers will bleed the rear brake circuit, free of charge. The recall began August 31, 2018. Owners may contact BMW customer service at 1-800-525-7417.
A12/00184/24Safety recallInjuriesno date · EU Safety GateDue to a manufacturing error, the weld seam of the integrated transmission control unit (ITCU) may not have been correctly executed. As a result, transmission oil could leak into the ITCU, causing it to fail. This may lead to transmission seizure, 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
A12/00608/20Safety recallInjuriesno date · EU Safety GateThe screw connection from the passenger's airbag to the instrument panel may not have been manufactured according to specifications. As a result, if the airbag is activated, the panel cover may break into pieces, which will be propelled against the passenger increasing the risk of injury.
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
A12/00636/20Safety recallInjuriesno date · EU Safety GateThe cable connecting the hall sensor with the seat buckle might be too short. Consequently, the sensor might detach from the buckle, causing a faulty seatbelt lock recognition, impairing the functioning of the restraint system and the deployment of the airbag, increasing the risk of injury in the event of an 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
A12/00988/23Safety recallInjuriesno date · EU Safety GateThe driver's and/or passenger's seat could break the frame rail that connects the seat to the guide rails on the vehicle floor. The stability of the seats may be affected, increasing the risk of injury in case 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
A12/03131/23Safety recallInjuriesno date · EU Safety GateThe screw connection of the servo unit on the gear rack casing of the steering system may be faulty. This could cause the steering system to fail and become blocked, 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
A12/1159/19Safety recallInjuriesno date · EU Safety GateThe airbag cover on the instrument panel may not have been manufactured according to specifications. As a result, in the event of an accident, the airbag may not deploy as designed, increasing the risk of an injury.
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
A12/1370/19Safety recallInjuriesno date · EU Safety GateThe front seatbacks may not have been welded according to specifications. As a result, they could fold forward or rearward, increasing the risk of an injury to the occupants.
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
A12/1525/18Safety recallInjuriesno date · EU Safety GateThe coating of the rear brake caliper piston is defective, and impacts the piston movement. This can lead to reduced brake performance, or the rear brake circuit could even fail. This increases the risk of an 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
A12/1687/19Safety recallInjuriesno date · EU Safety GateThe swivel bearings on the front axle may not have been manufactured according to specification and could break. This can result in loss of control over the vehicle, increasing the risk of an 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/03830/25Safety recallFireno date · EU Safety GateWater may come into contact with the starter relay and gradually cause corrosion. This could affect the electrical connection inside the relay and make the engine difficult to start. It may also result in a short circuit and could cause the starter to overheat leading to a fire when the vehicle is in motion or when it is parked with the ignition off. 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
G02 · 2018–
The fault list opens on the version page.
11 versions
2.0 l · 1995 cm³
B47D20 · ZF8HP
X4 xDrive20d
2018–2021 · X4 xDrive20d
2.0 l · 1995 cm³
B47D20 · ZF8HP
X4 xDrive25d
2018–2021 · X4 xDrive25d
2.0 l · 1998 cm³
B48B20 · B48B20M1 · ZF8HP
X4 xDrive20i
2018–2021 · X4 xDrive20i
2.0 l · 1998 cm³
B48B20 · B48B20O1 · ZF8HP
X4 xDrive30i
2021– · X4 xDrive30i
2.0 l · 1998 cm³
B48B20 · B48B20O1 · ZF8HP
X4 xDrive30i
2018–2021 · X4 xDrive30i
3.0 l · 2993 cm³
B57D30O0 · ZF8HP70
X4 xDrive30d
2018–2021 · X4 xDrive30d
3.0 l · 2993 cm³
B57D30O2 · ZF8HP70
X4 xDrive30d
2018–2021 · X4 xDrive30d
3.0 l · 2993 cm³
B57D30T0
X4 M40d
2018–2021 · X4 M40d
3.0 l · 2993 cm³
B57D30T2 · ZF8HP70
X4 M40d
2018–2021 · X4 M40d
3.0 l · 2998 cm³
B58B30 · ZF8HP
X4 M40i
2018–2021 · X4 M40i
3.0 l · 2998 cm³
B58B30 · ZF8HP
X4 M40i
2018–2021 · X4 M40i
Neighbouring generations
G02 (2018-). If the listing is from the changeover year, look at the neighbour too.
Common questions
2018–. 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.