BMW E36 rallycross car

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TimCuppens
Posts: 4
Joined: Mon Apr 27, 2015 8:29 am
ECU Model: S80 Pro

BMW E36 rallycross car

Post by TimCuppens »

Starting from an old e36 325i coupe with 250K on the counter I built a rallycross car. Drove it some years and gradually improved the performance/robustness by changing the rear diff ratio, LSD, radiator to the trunk etc...

Video of this process: https://youtu.be/OR7UIIBe-z8

Finishing top 8 in the promotional class and first RWD after all 4WD cars I was quite happy with the result. 8-)

This winter I took the car apart, painted the interior, installed a DTA S80 together with the SX Dash and rewired the car. Also upgraded the suspension to AST.

I combined the videos of the incar Gopros together with the logs from the GPS and DTA with Dashware: https://youtu.be/s3edOgzktWA?list=PL51CA60C0C09B1E99

I'm quite amazed what you can achieve with a 250000km old M50B25 engine. I guess that's why it's called "BMW POWER" :lol:
Still some work to do on the mapping but that is the FUN part and the reason I decided to switch to a programmable MCU.

If anyone is interested I can do a small writeup on the sensor connections to the DTA (changed e.g. to a MAP sensor iso stock MAF)
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ignitionautosport
Posts: 577
Joined: Wed Jul 27, 2011 5:30 am
ECU Model: S80 Pro
Location: New Zealand
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Re: BMW E36 rallycross car

Post by ignitionautosport »

That looks really fun :D
| '94 GSR Lancer | '96 Toyota Carib 20V | '83 Toyota Starlet | www.ignitionautosport.co.nz |
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