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By YOUCANIC on May 15, 2019

BMW Guibo Flex Joint Failure, Symptoms, Replacement Cost

BMW owners may experience loss of power (propulsion) and loud noise from the rear drivetrain.

BMW flex disc  ( also may be referred to as guibo disk or constant velocity joint) joint which transfers power from transmission to the rear driveshaft may fail in certain BMWs due to a weak material.  

BMW Flex disc CV Joint at Rear Driveshaft ProblemAccording to BMW "The flex disc may not have been produced with insufficient strength."1 If this problem occurs the BMW will not move when placed in gear.  

If the flex disc joint breaks while driving, it can cause damage to the underbody of the BMW. 

The defective flex disc was manufactured by Vibracoustic in Germany.  Approximately 8750 BMWs vehicles are affected by this problem according to a recall SI B26 01 17 (2666),  17V-067 (2667).

Don't ignore this problem. As your BMW ages and you put more miles, the constant velocity joint may break while driving causing an accident. 


The rear drive shaft constant velocity (CV) joint on certain BMWs may fatigue and break.
Some symptoms include:
  • BMW drive shaft/flex disc / universal joint failure
  • Vibrations at high speed
  • BMW won't move if guibo joint has failed
  • Unusual noise from the underside of BMW

How to change a BMW guibo joint

To fix this problem your BMW dealer or your mechanic will need to replace the 26117610061 flex disc.

The flex disc is between the transmission and transfer case and will need to be replaced if it hasn't been replaced already.

The bolts should be replaced as well. If your BMW is covered by recall the BMW dealer will replace the flex disc free of charge. Make sure to replace all six hexagonal head bolts and the self-locking nuts. 


  2. Affected vehicles may be equipped with a rear drive shaft constant velocity (CV) joint that was produced with insufficient durability -
  3. Rear CV Joints may Fail - National Highway Traffic Safety Administration 
  4. How to verify the flex disc - BMW Technical Service 



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