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      02-10-2020, 06:50 AM   #1
KennyP
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Drives: 2009 Havana E89 Z4 Sdrive35i
Join Date: Apr 2016
Location: Estonia

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Z4 35i Belt tensioner different from other N54 powered models?

Getting the dreaded oil filter housing gaskets replaced...
While doing that was going to replace the AUX belt aswell.

Now as im going to replace my belt it would be good to replace the tensioner aswell. Full service thing.

Found out that Z4 35i has its own Belt tensioner code and all the 3 series, 5 series , 1 series have a different product number.

Z4: 11287571852

other models same engine: 11287563927

What makes things more confusing is that ECStuning sells ...927 tensioner for your Z4 and says it fits on their website.

https://www.ecstuning.com/BMW-Z4-sDr...t7vcyTv4NnfiFk

FCP Euro website says 927 does not fit.

Has anybody been through this already?

..852 takes time to source and has no aftermarket options only OEM BMW.
..927 i can get quickly and has aftermarket options aswell.

Time is important as i have my car already booked and need to have parts by then.

Has anybody fitted 927? Can i fit it?
What is the difference between these? Force on the belt?
Power steering is different on other models, does that play into it?
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2009 35i DCT Havana brown with ivory white interior. Mods: Cobb stage 1, KW V3 suspension, Michelin Pilot Super Sport tires.