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BMW 3-Series (E90 E92) Forum > BMW E90/E92/E93 3-series General Forums > General E90 Sedan / E91 Wagon / E92 Coupe / E93 Cabrio > What belt is this?



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      10-08-2012, 05:25 PM   #1
aleksl
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What belt is this?

It's cracked and it's making a chirping noise. Just started. Going to take it in but wanted to know if anyone knew what belt this was. It's just under the intake/filter housing on the driver side. (2008 335)

Thanks.
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      10-08-2012, 05:33 PM   #2
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hard to tell from the pics, but it's probably the serpentine belt. does it appear to drive more than one accessory?
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      10-08-2012, 05:42 PM   #3
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Quote:
Originally Posted by mike-y View Post
hard to tell from the pics, but it's probably the serpentine belt. does it appear to drive more than one accessory?
Yes it does drive the alternator and goes further down into the bay. I looked and found this on another site, and I think you're right, it's the serpentine.

The crack is pretty significant. Not sure if I should drive to work the way it is. Hope it's covered by OEM 4 yr warranty.
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      10-08-2012, 06:23 PM   #4
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Yes it should be covered. And I definitely would not drive the car. I would have the dealership come pick it up. If it fails completely you could do some damage to surrounding parts, and would be stranded.
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      10-08-2012, 06:36 PM   #5
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Quote:
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Yes it should be covered. And I definitely would not drive the car. I would have the dealership come pick it up. If it fails completely you could do some damage to surrounding parts, and would be stranded.
+1, if the dealership won't tow, use AAA. If you don't have AAA front the expense and bill the dealership because that belt is obviously covered under the factory warranty, then get AAA or join the BMW CCA ($40 yearly), 25 miles free towing.
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      10-08-2012, 06:50 PM   #6
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It's the serpentine belt, mine was extremely worn and I didn't know. I was driving on a 2 hour road trip, and it snapped on the highway and destroyed my fan, that cools down the engine because it got tangled up inside it. It was a mess. I had a 2200$ bill at the end of the day. Get it towed don't risk it!
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      10-09-2012, 10:44 AM   #7
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The repair should only be about $150 if it isn't covered. The belt is about $60 and it takes about 20 minutes to replace but the dealer will charge and hour. Hopefully it isn't cracked from banging on the front suspension carrier. The warranty doesn't cover that even though the fix is a redesigned left engine mount.
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      10-09-2012, 12:57 PM   #8
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October 31 is soonest they can get it in.

I sent pics to the service manager to ask what they think of it.
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      10-10-2012, 03:01 PM   #9
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It's actually pretty easy to do it yourself, if you can't get into the dealer until the end of the month. All you need is a long pry-bar and a 17mm socket.
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