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BMW M5 Remap Custom Stage 1 via OBD port : A 2016 BMW M5 we worked on recently, wanting a custom dyno tune stage 1 remap.  We did this via the OBD port so there was no need to remove the ECU’s from the car.

The first thing we did was a full data log on the dyno to ascertain everything was in good condition and all ok. This is an essential step to make sure all the existing engine components are in good health and there are no existing faults on the engine management system.  (Want to know more about our remapping process? Click here for more info.)

On stock software this BMW made a very healthy 527 BHP and 681 NM of torque.

Now after lots of Dyno runs, logging and building the tune we have achieved 640 bhp and a 862 NM!!!!!

That’s a massive + 113 BHP and + 181 NM over stock figures!!

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