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E36/7 Z3 (1996-2002)
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Old 05-04-2019, 07:16 AM
Austin Jobin Austin Jobin is offline
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forced induction problems

Im planning on turbocharging my z3 and my first problem is the difficulty of finding a good turbo kit the best one i found is for a e36 everything will fit under the hood but the problem is the intercooler i don't know what kind of fabrication or cutting i would have todo to make it fit. The engine is a M52TUB25 and i plan on getting low compression pistons lightweight fly wheel 550cc injectors a bosch 044 fuel pump cometic head gasket a S52 camshaft the turbo kit i found https://www.cxracing.com/TRB-KIT-BMW-E36-GT35-IC-KIT
the down pipe is to small and i may need to fabricate a new one. The next problem im having is my lack of knowledge on the computer side of cars, I need to understand what software to use to tune the ms42 for the changes and how should i go about tuning the ecu to accept the turbo and adjust how much boost i want to use. I plan on making around 500 with 15 psi of boost. is there a guide on how to turbo with a stock ecu and how to adjust for the different changes im making because i have looked around and am having a hard time finding how to go about making these changes. If i can i want to do the tune myself but if that is far fetched or way to difficult let me know.
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  #2  
Old 05-04-2019, 01:40 PM
nfunk nfunk is offline
1998 BMW Z3 2.8L
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First thing I would do is contact the company you are purchasing the kit from and see if they have support after purchase. They should tell you everything you should need to know, otherwise I would look elsewhere.
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Old 05-04-2019, 01:59 PM
khammack khammack is offline
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Not sure how many Z3s are talked about in the Forced Induction section of Bimmerfest (https://www.bimmerfest.com/forums/fo...play.php?f=127), but you may be able to get some help there.
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  #4  
Old 05-04-2019, 03:33 PM
nfunk nfunk is offline
1998 BMW Z3 2.8L
Location: New Orleans
 
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Mein Auto: 1998 BMW Z3 2.8L
Other potential problems that you will run into. The subframe will definitely require reinforcing. Also I would also check to see what the maximum HP that the rear differential and transmission can handle.
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forced induction, m52tub25, ms42, turbo


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