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How to dyno a 2003 E46 M3 SMG (6500rpm Limiter)
How to get around the 6500rpm limiter issue in an 03 E46 M3 SMG:

Some people talk about pushing DSC for 10 seconds -- I tried this to no avail. All that happened was my dash lit up like a Christmas tree but I still couldn't get past 6500rpms.

I know some people talked about fuse 34 -- I never tried that. I just tried the various "hold DSC for x seconds" trick and it never worked for me.

The Solution:

Before you turn the car on pull fuses 33, 56, and 61, which can be found in the glove compartment.

Now begin your dyno run. Your car instrument panel will light up like a Christmas tree (i.e. ABS light, etc etc). However, you can now dyno to redline! Once the dyno run is completed, put the fuses back in. All the lights will shut off once you start driving.

A special thanks to M3Fella for this information! holds no accountability for the information provided above. Follow these instructions at your own risk!

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