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Old 02-23-2011, 04:36 PM
G. P. Burdell's Avatar
G. P. Burdell G. P. Burdell is offline
Rambling Wreck
Location: Southeastern U.S.
Join Date: Jan 2006
Posts: 2,071
Mein Auto: E46
Originally Posted by bluebee View Post
2. Fuhget' about "upgrade" from mechanical to hydraulic! What upgrade? We've asked and there is no advantage anyone can find and plenty of disadvantages. Don't even consider it.
[B]- Changing from Mechanical tensioner to Hydraulic tensioners
There's a BMW service bulletin (SI B 11 04 03) that recommends replacement of noisy mechanical tensioners with hydraulic tensioners. The bulletin applies to most BMW models equipped with the M54 engine.
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