B340925
Service Bulletin/Repair Instructions
There may be an internal leakage in the brake fluid expansion tank (aka brake fluid reservoir). In the rarecase of a leak, the filling level sensor might malfunction over a relatively long period of time.
Vehicle report
2025 BMW M4
Service bulletins
10 bulletinsTechnical service bulletins are instructions a manufacturer sent its dealers about a known fault. They are not recalls and the work is usually not free, but they are the clearest signal of a problem the manufacturer already knows about.
B065425
Other
Evaporator Pipe Return
B840625
Service Bulletin/Repair Instructions
In some situations, an emergency call may be triggered in the vehicle without either the customer pressing the SOS Call button, or an airbag deployment event. In some cases, the customer may not even be inside the vehicle.
B512222
Service Bulletin/Repair Instructions
Hood lever is pulled twice but the hood only achieves the pre-latch position on both sides.
B651925
Service Bulletin/Repair Instructions
Central Information Display (CID) in the vehicle is black or only displays “BMW”. The head unit (HU-H5) is not responding in ISTA. Additionally, the Receiver Audio Module (RAM), Instrument Cluster (KOMBI) and Telematic Module 4 (TCB4) may not be responding in ISTA.
B652025
Service Bulletin/Repair Instructions
After replacing the Multifunctional Display (MFD), the Central Information Display (CID) is black. Thebacklight of the CID is illuminated, and touch function does register an audible sound.
B410424
Service Bulletin/Repair Instructions
A groaning sound from the front of the vehicle while driving can be heard, particularly while cornering. The groaning sound can be heard in the A-pillar/instrument panel area.
B410725
Service Bulletin/Repair Instructions
While driving on a smooth and/or uneven road, a “cracking” sound is heard from the rear wheel arch area (highlighted in orange) on either the right or left side.
B120125
Emissions
EMISSIONS RECALL 25E-A03: PROGRAM CONTOL UNITS (DME)
B110224
Service Campaign
The drive belt idler pulley bracket material does not have adequate hardness and the attaching bolts may loosen.
Reading this report
Complaint counts are reports filed with NHTSA, not failure rates. A common model collects more of them than a rare one that breaks more often.