2021 Bmw R 18 problems, complaints & recalls
Most-reported problem areas: Power Train (1)
Safety recalls (2)
Power Train:manual Transmission:seals/Gaskets 2026-10-07 · campaign 26V658000 · 4,630 vehicles
Defect: BMW of North America, LLC (BMW) is recalling certain 2021-2024 R 18 motorcycles equipped with the optional reverse gear. The seal for the reverse gear control unit may deteriorate and allow moisture inside the control unit, which can result in the unit overheating.
Risk: An overheated reverse gear control unit increases the risk of a fire.
Fix: Dealers will replace the reverse gear control unit, free of charge. Owner notification letters are expected to be mailed November 27, 2026. Owners may contact BMW customer service at 1-800-525-7417. Motorcycles in this recall were previously recalled under 24V716. Motorcycles previously repaired under the prior recall will need the new repair completed.
Power Train:manual Transmission:seals/Gaskets 2024-09-26 · campaign 24V716000 · 5,048 vehicles
Defect: BMW of North America, LLC (BMW) is recalling certain 2021-2024 BMW R18 motorcycles. The seal for the reverse gear control unit may deteriorate and allow moisture inside the control unit, which can result in the unit overheating.
Risk: An overheated reverse gear control unit increases the risk of a fire.
Fix: As an interim remedy, the reverse gear control unit will be disconnected from the electrical system of the motorcycle, free of charge. Dealers will install an electrical relay between the battery and the reverse gear control unit, free of charge. Owner notification letters were mailed on April 7, 2025 Owners may contact BMW Customer Service at 1-800-525-7417.
Service bulletins (12)
Technical service bulletins are repair instructions manufacturers send dealers for known issues. Unlike recalls, the fix is not automatically free — but naming the bulletin at the service desk can save diagnosis time and support goodwill repairs.
Power Train 2025-04-26 · MC330322 · Service Campaign
the taper spline between the driveshaft and the rear drive assembly were assembled dry on certain vehicles. this could result in rust to form.
Electrical System 2024-01-11 · B611305 · Service Bulletin/Repair Instructions
the 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 ã¢ââdischarged batteryã¢ââ complaints.
Power Train:driveline:driveshaft 2022-09-07 · MC330322 · Service Bulletin/Repair Instructions
the taper spline between the driveshaft and the rear drive assembly were assembled dry on certain vehicles. this could result in rust to form.
Equipment:other:labels 2022-06-14 · SIB710222 · Service Bulletin/Repair Instructions
service action: replace emission control information
Engine And Engine Cooling:exhaust System:emission Control 2022-05-26 · SIB710222 · Service Bulletin/Repair Instructions
replace emission control information.
Equipment 2021-12-13 · MC060321 · Service Bulletin/Repair Instructions
on k34 and k35 motorcycles, the battery must be removed to access and test the wiring at the dme (engine control unit).
Showing the 6 most recent of 12 bulletins. Search all of them free at nhtsa.gov.
What owners report
2026-09-28 · Power Train“failed reverser mechanism recall. dealer replaced the module and claimed reverese is still inoperable and i needed to pay to have it diagnosed. even though the problem started with less than 1000 miles on the bike. being unable to back the heavy bike up without assistance forces me to either try to push it when needed or have someone, or multiple…”
Excerpts of consumer complaints filed with NHTSA, lightly truncated. They are owner statements, not verified findings.