BMW M135i - Stage 2 JB4 Dyno test

BMW M135i - Stage 2 JB4 Dyno test

This car had been to us previously for install of the JB4, decat downpipe and Cobra cat-back system. At the time the car had winter tyres on which can give distorted dyno figures.

Now with the summer wheels/tyres fitted we re-tested it an saw a massive improvement in testing over the winter tyres. Another brilliant M135i making over 400 bhp!

Power: 407 bhp

Torque: 592 nm

BMW M135i rolling road dyno graph

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