Special chip E46 / E39 M52TUB23 & M52TUB28 with M54-intake (98 - 00)

Special chip M52TUB engine with M54-intake optimized for 95 Octane or 98 Octane fuel.

• We offer tuningchips remapped for M52 engine with M50-air intake
• An optimized chip makes the torque higher in the whole register and the engine becomes more rapid.
• We can offer hard revlimiter instead of the soft revlimiter which is used in stockversion.
• We have clients who have dynoed up to 234 hp with this remapping and setup.
• Ex ECU nr: 5WK9037 , 5WK90329 etc
• Notice - The ECU has to be sent to us for reprogramming. 
• Notice - To be able to order, you have to fill in the form below and click [SAVE]

For queries please email us for more information at info@fekzen.se

Reference projects:

Z3 2.8 MS42 on E85 with M54B30 intake.
https://www.instagram.com/p/Bg9XC-pDUOY/

BMW E46 320i with M52TUB28 engine and M54B30 intake on E85.
https://www.instagram.com/p/Bqh8c6qlO3z/

BMW CUP racecar E36 with M52TUB28 engine and M54B30 intake.
https://www.instagram.com/p/BnJXpFBA6c5/

M52TUB28 with M54B30 intake running on E85. BMW CUP Sweden racecar. 234,4 hp & 302 Nm.
http://www.fekzen.se/Dyno_328i_M54B30intake.pdf

http://www.flickr.com/photos/78245982@N03/7396925612/

BMW Cup part 5 - 2016, E46 323i at Gelleråsen Raceway. Optimized Fekzen software for 98 octane.

https://www.instagram.com/p/BH-TKkuAUMK

https://www.instagram.com/p/BFHcU0AlbMl