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      11-24-2015, 11:33 PM   #28
Yeineken
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Drives: '11 135i M Sport
Join Date: Dec 2013
Location: Delmarva Peninsula

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Garage List
'11 135i  [8.20]
'16 Ford Hatchback  [0.00]
'15 X5  [10.00]
Quote:
Originally Posted by bmw1racer
No mention of the serpentine belt... Is there a particular mileage/time to have it replaced or is it just based on inspection for wear/age?
I've found a few recommendation saying to change the belt, tensioner and pulleys at 60k. Mine started to squeal and the bearings in the tensioner started to go bad at 63k... Just replaced everything this past weekend. I assume the life/mileage is the same on the 128i.
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