The owner of this BMW wanted to find the best way to extract some more power from the car without changing too much. This is where SM Tuning come to the rescue. Remapping on these is the best "Bang for your buck". The sports displays were also adjusted to suit the extra power!

Standard: 431BHP / 550NM.

SM Tuned: 500BHP / 650NM.

Gains: +69BHP / +100NM.



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