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Old 02-03-2013, 04:57 PM   #22
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Join Date: Sep 2012
Location: Old Greg's Cavern
Posts: 12,558
My Ride: '13 128i, '04 330Ci
The a guibo is a a rubber coupler that joins two shafts. There ins one on the drive shaft also called the drive shaft flex disk. The CSB is the driveshaft center support bearing. It holds the weight of the driveshaft near the middle of the car. It is a bearing fitted into a bracket with rubber. That rubber wears out and allows some play. A worn guibo can wear out the CSB and a worn CSB can wear a guibo.
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