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Service bulletins for the 2018 BMW M4

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.

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

By type

By component

Only bulletins with component: Body and frame are shown. Show all

Bulletins, newest first
B0108262026-09-28. Warranty extension. STRUCTURE:BODY. The coverage period for qualifying lower rear side panel water drain repair that addresses the issues described in the Service Information Bulletin has been extended to 15 years / 150,000 miles, as determined from the original first in-service / delivery date.
B5146162023-06-26. Service bulletin. STRUCTURE:BODY:TAILGATE. Upon opening and closing the tailgate, a creaking/groaning sound can be heard from tailgate actuator.
B5133162021-08-09. Service bulletin. STRUCTURE:BODY; STRUCTURE:FRAME AND MEMBERS; SEATS. Water sloshing noises coming from the rear passenger compartment (left or right) while driving Water ingress in the luggage compartment, or in the rear passenger compartment- rear seat bench rear passenger compartment foot well rear passenger compartment side panel Failure of various control units installed in the area of the water removal channel
B5132182020-12-21. Service bulletin. STRUCTURE:BODY:DOOR; EQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY. PAINT ON THE B-PILLAR IS SCRATCHED/DAMAGED: The paint finish of the door jamb (above the door striker) is scratched due to the inner door cavity window seal.
B5133162019-08-19. Service bulletin. SEATS:MID/REAR ASSEMBLY; STRUCTURE:BODY. LOSHING NOISES/WATER IN REAR PASSENGER COMPARTMENT: This Service Information bulletin replaces SI B51 33 16 dated August 2016.
B5409072019-07-22. Service bulletin. STRUCTURE. RETRACTABLE HARDTOP STATUS REQUEST SUPPLEMENT. This Service Information bulletin replaces SI B54 09 07 dated September 2018.
B5125182019-01-07. Service bulletin. STRUCTURE. RATTLE NOISE FROM LOWER A-PILLAR. A rattle noise is present from the lower area of the A-Pillar. Due to a manufacturing error, the bolt securing the front door brake/stop to the A-Pillar may have loosened over time.
B5123152018-12-10. Service bulletin. LATCHES/LOCKS/LINKAGES:DOORS:LATCH; STRUCTURE:BODY:DOOR. SI B51 23 15 Body Equipment May 2016 Technical Service The Driver's Side Front/Rear Door Can No Longer Be Opened from the Outside This Service Information bulletin supersedes SI B51 23 15 dated September 2015.. A driver's-side door cannot be opened by the outside door handle. This concern can also affect the driver's side rear door on the F34 and F36. The Bowden cable has become detached.
B5409072018-12-10. Service bulletin. STRUCTURE:BODY; ELECTRICAL SYSTEM; EQUIPMENT. ?RETRACTABLE HARDTOP STATUS REQUEST SUPPLEMENT. INFORMATION Documents have been developed showing the known correct statuses for all hall sensors and micro switches used to operate the retractable hard top (RHT). This document is intended to act as a supplement to the diagnostic information available in ISTA. Comparing these statuses to the actual statuses of a vehicle with a functional problem may assist in narrowing down which sensor/switch is contributing to the functional problem. For E93, the status request may be found by connecting the car to ISTA and selecting: Control module functions/CTM Convertible top module/Diagnosis Requests ?Sensors/Switches For F33/F83, the statuses should be checked using the applicable test plan as instructed in attachment B54 09 07 F33 F83 RHT Status.pdf. For I15, the statuses should be checked using the applicable test plan as instructed in attachment B54 09 07 I15 Top Status.pd
B5409072018-08-06. Service bulletin. STRUCTURE; STRUCTURE:FRAME AND MEMBERS. RETRACTABLE HARDTOP STATUS REQUEST SUPPLEMENT
B5130162018-07-16. Service bulletin. STRUCTURE:BODY:TAILGATE. TAILGATE UNINTENTIONALLY OPENS: Trunk/tailgate may open when vehicle is locked.
B5402182018-04-23. Service bulletin. STRUCTURE:BODY. NOISES FROM THE C-PILLAR AREA OF THE CONVERTIBLE TOP: Cracking or clicking noises can be heard from the rear area of the convertible top (C-pillar area) when driving on uneven roads.

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