2018 BMW m4
Recalls, most-reported problems, crash-test ratings, fuel economy and what a 2018 BMW m4 is worth — from official NHTSA and EPA data. 9 on record.
2018 BMW m4 at a glance
Included: that car's specs and build sheet, model-year recall campaigns and a fair price.
2018 BMW m4 recalls 1
BMW of North America, LLC (BMW) is recalling certain 2018 430i, 430i xDrive, 440i, 440i xDrive, and M4 convertible vehicles. The Emergency Locking Retractors (ELR) within the front seat belt assemblies may have been produced with incompatible vehicle-sensitive locking mechanism housings.
Fix: BMW will notify owners, and dealers will inspect and, if necessary replace, the front seat belt assemblies, free of charge. The recall began October 13, 2017. Owners may contact BMW customer service at 1-800-525-7417.
Source: U.S. NHTSA, checked 4 Nov 2026. A campaign covers the model year; to see whether a particular car still needs the repair, check its VIN on NHTSA.gov or ask a franchised dealer.
2018 BMW m4 common problems
The most-reported problem areas across all 6 owner complaints filed with NHTSA — and what to check before you buy.
Dimensions & weight
Manufacturer-reported figures for the 2018 BMW m4 — ranges cover the 2 body / drivetrain versions on record. Source: Transport Canada vehicle specifications via NHTSA.
Investigations & service bulletins
Manufacturer service bulletins 135
Technical notes the manufacturer sent to dealers about known issues and fixes. Useful to mention to a mechanic — they are not recalls and repairs may not be covered. Showing the 10 most recent of 135.
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.
Bulletin B010826 · Structure · Sep 2026Protection Plate Return
Bulletin B064725 · Service Brakes · Sep 2025A turbine-like noise can be heard from the rear axle while deceleration during the first 300 miles of operation when braking from low speed.
Bulletin B340921 · Service Brakes · Jan 2025The electrical system of BMW vehicles has been subject to an ongoing development process over the last few years. This has led to increased demands being placed on the battery. This document covers important information for the dealer on how to handle âÂÂdi…
Bulletin B611305 · Electrical System · Jan 2024With the vehicle is on a lift and the front struts are in the extended position, there may be a cracking and orclicking type noise when turning the steering wheel left/right. See attached video V31 01 24. The sound can reoccur when the vehicle is lowered, and…
Bulletin B310124 · Suspension · Jan 2024Functional noises (squealing/honking) when braking shortly before the vehicle comes to a stop. CAUSE Material-
Bulletin B340714 · Service Brakes, Hydraulic · Oct 2023Upon opening and closing the tailgate, a creaking/groaning sound can be heard from tailgate actuator.
Bulletin B514616 · Structure · May 2023After programming the head unit (HU-H2), activating the FSC (German word Freischaltcode) Enabling Codes repeatedly fails.
Bulletin B651523 · Electrical System · May 2023The 3G network in the US has been shut down. This means that only the 4G network will be available. In the 4G network, voice calls will be transferred via the Voice over LTE (VoLTE) function. For this purpose, the SIM card must perform an IMS registration in t…
Bulletin B840822 · Electrical System, Equipment · Mar 2023Exterior rear lights do not work.
Bulletin B630917 · Electrical System, Exterior Lighting · Mar 2023Source: NHTSA Office of Defects Investigation, listed for the M4 RWD. Model-year data, not specific to one car.
About the BMW m4
The BMW M4 is a high-performance version of the BMW 4 Series automobile developed by BMW's motorsport division, BMW M GmbH, that has been built since 2014.
From Wikipedia, licensed CC BY-SA 4.0. Describes the model line in general, not this model year specifically.
