Help. Bought a 2002 X5 4.4L Anything I should know or do to it?

[steelheader]

change the main timing chain tensioner 50 bucks iam sure mine was weak and caused the guides to fail at 189000 miles ,i could hear it at start up a rattle like a bad rod or no oil at the bottom end that wasnt the case ,You can take the new timing chain guide the u shaped one and shake it brand new its loose so i imagine when the tensioner gets weak the guide would slap in there ? window regulators go bad ,ebay cheap fix,. common car stuff just do it all ur self if You can!!!!

[diyanich]

I think that less you poke engine without any particular reason,better it is.If it starts making noise,so it's time to get it diagnosed,I doubt that tensioners may fail easily if engine wasn't ran at redline all the time.

Originally Posted by steelheader

change the main timing chain tensioner 50 bucks iam sure mine was weak and caused the guides to fail at 189000 miles ,i could hear it at start up a rattle like a bad rod or no oil at the bottom end that wasnt the case ,You can take the new timing chain guide the u shaped one and shake it brand new its loose so i imagine when the tensioner gets weak the guide would slap in there ? window regulators go bad ,ebay cheap fix,. common car stuff just do it all ur self if You can!!!!