M3

Posted August 6, 2019 112 0

Empowering the already almighty S55 engine on the BMW M3 F80 is no easy feat. Good news is a lot can be gained with upgraded parts and a custom...

Posted April 4, 2019 418 0

2017 BMW M3 F80 Competition 3.0T Massive power after tuning of the S55B30T0 engine on this M3. With a custom Etuners stage 1 file calibrated...