Quote:
Originally Posted by X4guy
Hi I have a 2014 production X4 N20 engine. I have reads lots on the falilures of the timing chain and BMW pleading the 5th. My car has 20k miles and is still under warranty and was curious if anyone has been able to get the dealer to replace or alternatively check the state of the timing chain under warranty or otherwise
Surely there is something that can be done before it fails.
Comments please.
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I chose to replace the timing chain tensioner on my N20 X4. BMW has used at least three different versions of the tensioner and I established that my 8/14 production N20 motor only had the second version installed from new. It is a cheap "fix" and a DIY job if you are a little handy.
I made a DIY thread over on the X4 sub-forum.