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Service bulletins for the 2020 BMW X4

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

250 on file from NHTSA, as of 2026-10-19.

By type

By component

Only bulletins with component: Engine are shown. Show all

Bulletins, newest first
B1703202020-06-15. Service bulletin. FUEL SYSTEM, GASOLINE; ELECTRICAL SYSTEM; LANE DEPARTURE; SERVICE BRAKES, HYDRAULIC; ENGINE AND ENGINE COOLING. COOLANT LINE QUICK DISCONNECTS LEAK IN LOW TEMPERATURES AT OR BELOW -15Ë?C (5Ë?F): The coolant reservoir in the high or low temperature cooling system is low There may be a coolant leak under the vehicle There may be a check control message (ID166) to top up coolant The low temperature cooling system have a low level warning indicator. One or more faults may be stored related to the low temp cooling system: DME - 20A201 - charge air cooling system: Coolant pump protective function due to dry running active DME - 20A209 - charge air cooling system: Coolant pump protective function due to dry running active IHKA - 80120A - Compressor: Switch off due to excess pressure in the refrigerant circuit The outside temperature at the time of the complaint is at or below -15Ë? C (5Ë? F) The O-rings that seal the quick disconnect coolant lines will not seal properly when outside temperatures are at or below -15Ë? C (5Ë? F).
B1304202020-06-15. Service bulletin. ENGINE AND ENGINE COOLING. TANK VENTILATION AND MIXTURE CONTROL FAULTS STORED IN THE DME: The Engine Malfunction Warning is illuminated and one or more of the following faults are stored in the DME. All models: FC 191C02 - Fuel tank ventilation system 2nd discharge point: malfunction FC 195014 - Differential pressure sensor tank vent valve signal: fixed FC 118001 - Mixture control: mixture too lean FC 118401 - Mixture control: mixture too lean large deviation I01 only: FC 124103 - Mixture control: mixture too lean FC 124101 - Mixture control: Mixture lean large deviation CAUSE Internal mechanical defect in the tank ventilation valve. The defect can also result in a very loud clicking noise when the valve is cycling.
B1101202020-06-15. Service bulletin. ENGINE. B58C AND B58M ENGINES ENGINE OIL FILTER INSERT IS DIFFICULT TO REMOVE - REMOVAL: On rare occasions during an engine oil service the BMW Original (Genuine) engine oil filter insert is either difficult to remove or breaks apart in the oil filter housing. The engine oil filter is broken. The paper is torn and the lower plastic section is stuck in the engine oil filter housing.
B1216192020-05-18. Service bulletin. ENGINE AND ENGINE COOLING. ERRONEOUS ELECTRIC FAN FUNCTION FAULT STORED IN THE DME: The following faults may be erroneously stored in the Digital Motor Electronics (DME): Fault code: Control module: Fault code text: 1A2806 DME Electric fan function: limited operation 1A4007 DME Electric fan function: Operating mode implausible And: There is no customer-facing vehicle symptom(s) or related check control message displayed. A software error may cause these faults to be erroneously stored in the Digital Motor Electronics (DME).
B6105202020-04-20. Service bulletin. ENGINE. CCM DISPLAYED "INCREASED BATTERY DRAIN" CAUSED BY CONTROLLER: This Service Information Bulletin (Revision 1) replaces SI B61 05 20 dated February 2020. Electrostatic discharge at standstill / start engine. Energy management" The results of the Energy Diagnosis test plan identifies the Controller as the root cause of the CCM. The Controller delays the vehicle going to sleep by up to 6 minutes. In some cases this will cause the CCM 415 to be displayed when starting the vehicle. Replacing the Controller in this case will not correct this situation.
B1207202020-04-20. Service bulletin. ENGINE AND ENGINE COOLING. DELIVERY STOP: PROGRAM CONTROL UNITS (DME): BMW AG has issued a Delivery Stop (effective March 5 2020) on a small number of Model Year 2020 BMW vehicles that were produced starting on February 14 2018. Vehicles that are currently being produced will be added to this campaign daily until March 22 2020. Vehicles produced on March 23 2020 and onward will not be affected. An error in the digital motor electronics (DME) onboard diagnostic (OBD) software data status.
B1101202020-03-16. Service bulletin. ENGINE AND ENGINE COOLING. ENGINE OIL FILTER INSERT IS DIFFICULT TO REMOVE - REMOVAL: This Service Information Bulletin (Revision 1) replaces SI B11 01 20 dated February 2020. On rare occasions during an engine oil service the BMW Original (Genuine) engine oil filter insert is either difficult to remove or breaks apart in the oil filter housing. The engine oil filter is broken. The paper is torn and the lower plastic section is stuck in the engine oil filter housing (1).
B1201202020-02-18. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:OTHER FUEL TYPES:TURBO/SUPERCHARGER. FAULTS FOR TURBOCHARGER ELECTRIC WASTEGATE STORED IN THE DME. The engine malfunction warning (MIL) is illuminated and one of the following fault codes is stored in the DME. 123518 - electrical wastegate valve 2 wastegate valve: stiff movement And/or 120408 - charging pressure control: Switch-off as a secondary reaction CAUSE The DME has an adaptation error when calculating the setpoint values of the two electric wastegates.
B1115192020-02-18. Service bulletin. ENGINE AND ENGINE COOLING. SERVICE ACTION: S58T ENGINE - CHECK ENGINE OIL DEFLECTOR SCREWS: The engine oil deflector screws may have been tightened to the wrong torque.
B1112192020-02-18. Service bulletin. ENGINE AND ENGINE COOLING. MALFUNCTION INDICATOR LAMP IS ILLUMINATED WITH A CRANKSHAFT ADAPTION FAULT: When diagnosing an illuminated malfunction indicator lamp (MIL) and/or a different issue the following faults may also be stored in the Digital Motor Electronics (DME). Fault code Control module Fault code text 213A2B DME Increment wheel adaption faulty This situation is not associated with any drivability complaints and only affects vehicles built with a Factory I-level of 19-07-500 and later. An unfavorable DME diagnostic calibration may cause the fault code to be stored. In most circumstances this will cause the MIL to be illuminated.
B1231192020-01-21. Service bulletin. ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING. DELIVERY STOP: PROGRAM CONTROL UNITS (DME). BMW of North America LLC has issued a Delivery Stop (effective December 5 2019) on certain Model Year 2020 BMW vehicles that were produced between March 2019 and December 2019. An error in the oxygen sensor on-board diagnosis (OBD) may not properly illuminate the malfunction indicator lamp (MIL) when a fault is detected. A software error in the digital motor electronics (DME).
B1115192020-01-21. Service bulletin. ENGINE; EQUIPMENT. SERVICE ACTION: S58T ENGINE - CHECK ENGINE OIL DEFLECTOR SCREWS. The engine oil deflector screws may have been tightened to the wrong torque.
B1112192020-01-21. Service bulletin. ENGINE AND ENGINE COOLING; EXTERIOR LIGHTING. MALFUNCTION INDICATOR LAMP IS ILLUMINATED WITH A CRANKSHAFT ADAPTION FAULT: When diagnosing an illuminated malfunction indicator lamp (MIL) and/or a different issue the following faults may also be stored in the Digital Motor Electronics (DME).
B1113192019-11-18. Service bulletin. ENGINE AND ENGINE COOLING. DELIVERY STOP: CYLINDER HEAD COVER DELIVERY STOP: CYLINDER HEAD COVER. The cylinder head cover may have been damaged during assembly. It will need to be inspected and, if necessary, replaced.
B6409192019-10-21. Service bulletin. EQUIPMENT; ENGINE AND ENGINE COOLING:COOLING SYSTEM:HOSES/LINES/PIPING/FITTINGS. SERVICE ACTION: CHECKING HEATER HOSE FOR PROPER INSTALLATION: The installation area between the heater return hose and the drive belt is very limited. If the hose is not secured properly this could cause contact with the drive belt. Limited space between the heater hose and the drive belt along with possible incorrect clip installation.

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.