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      06-22-2020, 05:08 AM   #2
KennyP
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Drives: 2009 Havana E89 Z4 Sdrive35i
Join Date: Apr 2016
Location: Estonia

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Quote:
Originally Posted by chestnut View Post
My 2011 Z4 has 78,000 miles.

Do I need to change the timing belt/chain?
What engine?

I think timing chains can take twice the miles you have on the car. Or even more. 150k-200k miles.

On N54 you can change chain tensioner. It just screws in from the side of the engine. Front passenger side. And is basically a hydraulic cylinder pushing against the chain guide rail using oil pressure. Oil passages are pretty small and it can get gunked up.

Mine leaked a tiny bit from the washer / gasket thingy so i got a new one.
Had to remove coolant tank to do it... Other than that just screw old one out and new one in, tighten to spec and done... NEVER start the engine while doing it.

https://www.fcpeuro.com/products/bmw...-11317584723oe
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2009 35i DCT Havana brown with ivory white interior. Mods: Cobb stage 1, BMS DCI, KW V3 suspension, Michelin Pilot Super Sport tires.
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