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New BMW M3 M4 Custom ECU Remap

Tried and tested M3 and M4 remaps now available at MoreBHP!

M3 M4 Custom ECU Remap - NOT tuning box

The New M3 and M4 are true works of BMW art. Leaving little room for hardware modification.

However with the high hardware spec room can be found for improvements in the ECU programming.

With a slight increase in turbo boost along with carefully optimised timing, fuelling rework and various limiter massages over 500bhp is available. This is custom software enhancement only, no hardware modifications required - standard air filters, standard exhaust, etc, etc.

More importantly this is a genuine custom remap NOT a tuning box. Fitting a tuning box to such a car is total stupidity, we have tested these so called solutions and found the ECU having to close the throttle to prevent engine damage due to excessive knocking (the result of way too much boost without correct fuelling/timing calibration).

We have spent countless hours developing and testing MoreBHP software on our own M3.

New M3 M4 Custom ECU Remap

In addition to the obvious benefits of 500+bhp/700+Nm the following is also included-

  • Cold start off (especially handy if you have a noisy decat at cold)
  • Decat MIL off 
  • Exhaust flaps permanently open in Sport Mode
  • Enhanced Sports Displays to reflect the increase in power and torque
  • Optional selectable power modes for ECO, Comfort, Sport and Sport Plus
  • Speed limit removal
  • Higher rev limit for manual cars
Featured Reviews
Audi A3 2.0tdi CR140
Tuesday, 19 January 2016  |  Martin

Had my car in for an dpf removal, egr delete, harcut limiter and launch control with a stage 2 map. The guys did a brilliant job and id recommend them to anyone!!

Skoda Fabia vRS now perfect
Friday, 20 November 2015  |  Oliver

Stage 1 remap fitted but the map was a little fussy with my car at first, took it in to the lads at more bhp and that day they gave it me back running perfectly!! True gents and quality professional service! Highly recommend to anyone

Seat Leon Cupra R
Wednesday, 18 November 2015  |  Sam

Awesome service, turned my car into an animal thanks guys