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Discussion Starter #1
Hello all,

S3 newbie here. I have an '01 S3 that could use a new engine and I have a lead on a possible donor engine that is from an '02. From what I can tell, the 955 model was changed in '02. Are there major differences in the configurations of the engines from '01 and '02? Am I better off sourcing a '99 - '01 955i for my project?

Any help is greatly appreciated.

Thanks,
Jason
 

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I would say yes it'll fit. Some models change from year to year but that doesn't mean the frame and motor mounts have changed. I put an 09 engine in my 07. I also heard you can put and 02-04 top end on a 1050 engine as well for the 150hp!
Good luck!
 

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I put 02+ Daytona in my T509 so it is quite possible - just a lot more to it than first appears
Yes you can change the engine, frame mounts are the same - but there are a lot more considerations of differences.
Alternator vs stator/R-R
Radiator/Cooling system
Headers/Exhaust
Right rearset won't work with the 02+ header
Airbox
and more .......
 
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