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Old 05-23-2008, 10:52 PM   #36
DrElectron
Registered User
 
Join Date: Sep 2002
Location: Chapel Hill, NC
Posts: 57
My Ride: 2000 323i
Just a tip on the tensioners. Generally, their springs hold up well and you don't need to replace the entire tensioners. However, you should check the pulleys on both tensioners as well as the idler pulley. Spin all three pulleys when the belts are off. They should turn smoothly and quietly but with a little resistance from the grease packed bearings. Replacing the pulleys is much less expensive than replacing the tensioners from the standpoint of both parts and labor. If the pulleys need replacing, save $ by not buying the parts from a BMW dealer. Instead, shop for replacement pulleys made by INA which cost less than half what BMW charges. INA makes the BMW branded pulleys so there is no loss of quality.
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