View Full Version : Driveline Vibration
12-04-2008, 10:05 PM
My Touring has a slight but noticable vibration that seems to be coming from the drivetrain and is road speed related rather than engine speed. I notice it most if I pull away from a stop briskly until I get to about 20mph. If I take it gently it is barely noticable.
I'm thinking it might be the Guibo in the driveshaft (I assume I have one - I haven't yet looked - just got the car) or am I witnessing the first signs of potential tranny problems?:yikes: Transmission seems fine with crisp shifts and no slippage.
bimmer dot info
12-05-2008, 06:53 AM
I'd start with the guibo. It might be a good idea to do the center bearing while you are down there.
There is a small chance that your car threw a driveshaft balance weight. They can rust and fall off (dont hear about it much on e34s).
12-05-2008, 09:49 PM
it is almost guaranteed to be the CSB. on a 93 it is guaranteed that the rubber will be sagged inside it.
12-05-2008, 10:17 PM
Got the same prob in my car just today... lol 230,000
Are these what you all are talkin' about?
http://cgi.ebay.com/ebaymotors/_Car-Truck-Parts-Accessories__1989-1995-BMW-525i-Drive-Shaft-Support-Bearing-New_W0QQitemZ250332396005QQadiZ2865QQadnZCarQ20Q26 Q20TruckQ20PartsQ20Q26Q20AccessoriesQQcmdZViewItem QQptZMotors_Car_Truck_Parts_Accessories?_trksid=p4 506.m20.l1116#ht_1203wt_0
http://cgi.ebay.com/ebaymotors/BMW-e34-525i-Auto-91-95-m50-Flex-Disc-guibo-Universal_W0QQcmdZViewItemQQ_trksidZp1638Q2em118Q2 el1247QQcategoryZ33732QQihZ016QQitemZ260326538367Q QrdZ1QQsspagenameZWD1V#ht_2384wt_0
My 540i has the same problem. I just had my car to the local mechanic and his view is that once you start getting the vibration that one problem area could lead to another and once you replaced the guibo and the center bearing and checked the shaft for balance that you might as well replace the shaft. I decided to go that way and found a driveline rebuilder who rebuilds the shafts and puts a replaceable CV/u-joint on the tail end. I will get mine next Tuesday and will pass on how that worked for getting rid of the vibration.
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