JB4 testing on the BMW F21 125i

 

May 2014

 

We recently did some testing on a BMW F21 125i with a decat modification. This motor is the same motor derived from the BMW F30 328i classified as N20B20.

Stock power with decat was 163.9wkw and 328Nm at the wheels (flywheel = 206kw & 397Nm)

With JB4 added and on map 1 it gained 20kw and 49Nm at the wheels. That is huge gains for a 2.0 litre motor. Big potential for the new BMW 2.0 litre turbo platforms.

SR Speedworx proudly producing results, always! 

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