2021 BMW R 18 Classic technical service bulletins

Bulletins tell dealers how to fix known problems. A warranty extension means the manufacturer pays for that repair for longer.

• Apr 26, 2025 Service campaignThe taper spline between the driveshaft and the rear drive assembly were assembled dry on certain vehicles
• Jan 11, 2024 Service bulletinThe electrical system of BMW vehicles has been subject to an ongoing development process over the last few...
• Oct 1, 2022 Service bulletinThe body seam on the rear upper left of the body may not have been completely sealed, causing a water leak.
• Jun 14, 2022 Service bulletinReplace emission control information
• May 26, 2022 Service bulletinReplace emission control information.
• Dec 13, 2021 Service bulletinOn K34 and K35 motorcycles, the battery must be removed to access and test the wiring at the DME (engine...
• Sep 14, 2021 Service bulletinCustomer may complain of a noisy fuel pump
• Jul 13, 2021 Service bulletinWhen diagnosing fault codes (0x3A13D7, 0x3A13D9), technicians erroneously condemn the electronic throttle...
• Jun 30, 2021 Service bulletinIn very rare instances, only the dipped beams (low beams) may be functional; during that time, other...
• Jun 30, 2021 Service bulletinBrackets holding the front LED turn signals are susceptible to rust with exposure to moisture.
• Jun 23, 2021 Service bulletinBMW Motorrad USA is pleased to announce the launch of the BMW Motorrad Ultimate Care Program, effective...