Bmw r1200gs real wheel flange the flange is a billet part that connects the rear wheel and the rear brake disc to the motorcycle. World-wide there are reports from users of r1200gs models manufactured in 2004 and 2005 about cracks in the flange around either the mounting holes for the brake disc or the mounting holes for the rear wheel. Several incidents are known where the rear brake disc broke off while the vehicle was in motion. On last inspection the flange on my motorcycle had developed cracks around all 5 mounting holes for the rear wheel bolts. Bmw denies that there is a problem with the original part and refuses replacement, claiming that in all incidents the bolts must have been assembled with too high torque. The rear wheel has always been mounted by myself, and always using a torque wrench with the correct setting. The original parts one these motorcycles apparently were bmw part-number 33117694910; as replacement bmw now sells a re-designed part with the new part-number 33117699631. The danger for a crash should the rear wheel or the rear brake disc break off while in motion are obvious. Bmw has not acknowledged the problem, doesn't offer free replacements and to my knowledge has not sent out a service bulletin or any other kind of warning to dealers or customers.
2005 BMW R1200 GS transmission complaints
Page 2 of 2: complaints 11 to 16 of 16, newest first, as owners wrote them.
Noticed oil leaking from engine transmission juncture being blown back onto rear tire on my 2005 bmw motorcycle.
2005 bmw 1200 gs motorcycle had a defective part. Consumer states that the rear wheel final drive was defective and wants to be reimbursed for the defective part. *nj the consumer stated while riding the bike, it slid/hopped a couple of times on fast curves. The dealer replaced the rear flange in the final drive because it was damaged.
On my bmw r1200gs, I noticed oil leaking from the final drive. It turns out that the seal was only an indication that the drive was failing. The dealer confirmed this and has replaced the final drive under warranty. There ar rumors of this being a common problem for r1200 series bmws. The old final drive is not available.
Motorcycle failed to downshift on rugged mountain roadway on numerous occasions. Shifting required stopping the vehicle and/or double clutching. Problem was diagnosed as drive spline without lubrication. Had this occurred in a busy area, the consequences could be fatal.
Tl*the contact owns a 2005 bmw r1200 gs. The contact stated that the vehicle was experiencing final drive bearing failure. He stated that the rear wheel became flat. When he removed the wheel, it was discovered that a loose bearing caused the failure. He stated that bmw does not consider this to be a safety issue. The contact is having the vehicle repaired with new bearings. The powertrain was unknown. The current and failure mileages were 17,500. The consumer stated dealer replaced bearings and seals @ 17,670 and the second dealer replaced complete final drive and cover @ 18,699. The dealer stated rear differential failure and remove tail light. Updated 11/21/07
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