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Old 02-13-2011, 04:48 AM   #109
paraklas
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Join Date: Jan 2006
Location: Cyprus
Posts: 5,887
My Ride: ESS TS2 320ci
yes they do. Take the old one out and take it there, they will trace it by part number. That's how I changed mine the last 4 times at least. There are 2 different types of pulleys, the one has a small and the other one has a large inner diameter. Mine, the AC and the engine one are identical.

This is the one with the larger bore

Belt Drive Water Pump/Alternator - BMW parts catalog

And No.6 for smaller bore

Belt Drive Water Pump/Alternator - BMW parts catalog

One of the two will fit the Engine Mechanical Tensioner
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