What's this part called/do?

[m3f_exrooster]

Hi guys,

Recently purchased a '94 e36 M3, with the 3.0ltr motor, trying to clean it up a bit and sort out a few small issues.

Just ordered a Bentley service manual but while I wait for it to arrive I thought I would ask you guys to help me identify this part that seems to be weeping a small amount of oil,

It's this small black rubber tit thing which is at the front exhaust manifold side of the engine, thanks in advance




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[m3f_englishtom1596q]

that looks like your timing chain tensioner. If its leaking you can just do a crush washer and i'd replace the spring in there as they're known to compress over time leaving some slack on the chain.


http://realoem.com/bmw/showparts.do?...07&hg=11&fg=25

[m3f_exrooster]

thanks for the tip that was helpfull, as was the link. much appreciated.

[m3f_Kirbius]

Probably should come over to www.eurocca.net



The Bentley will be good for suspension and chassis but that's about it as it's a U.S. publication. Can alsochange out that tensioner for the updated version, it's far superior.