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redbullgotwings redbullgotwings is offline
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Car: 335i
Default Timing chain tensioner servicing - 02-09-2017, 09:35 PM

Hey guys,

Ive searched for as long as i can stand so i decided to post.

Ive found a list of general servicing for the n54 and no one mentions the timing chain tensioner. Should this be replaced every however many miles? I know this is an interference motor so i dont want it to just go bad one day.

Also, in the general servicing list i found, it said serpentine belt and V belt. I have no idea what a V belt is. Can anyone shed light on either of these topics?

thanks in advance
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MysticRob MysticRob is offline
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Join Date: Feb 2017
Car: 2009 E90
Default 02-16-2017, 10:36 AM

General rule of thumb is to replace only if it's making noise (failing). How many miles on your engine? Mileage isn't necessarily a good indicator of wear though, since miles can be heavy or light duty. For example, I have a 1997 Saturn SL1 with 183k and the tensioner was still well within spec, yet I beat on it quite a bit just trying to get out of peoples' way with that massive 104hp. I haven't heard of timing chain tensioners being a high wear item on N54s either.
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