BMW Z4 M40i G29 B58 Tuning Model-228i F22/23 B48 we found that the conventional

we found that the conventional STG1/STG2 packages didn't apply to the M2

Can be fitted with our Stage 2 induction kit or with the standard airbox

Whilst the B58 is known for becoming a monster with just a couple of easy mods whereas the N55 is considered less tuneable

Whether it's for the road or the track

BMW Z4 M40i G29 B58 Tuning Model-228i F22/23 B48 we found that the conventionalEngine Tuning Stage 1 TRS Engine Tune STG 1 Power increased to 435BHP and 620NM of torque. *Power figures are climate, fuel quality and vehicle dependant. *Power figures are real figures we have seen on our dyno, these numbers are sometimes less than seen on other more optimistic dynos. Stage 2 TRS Engine Tune STG 2 power is increased to 470+BHP and 700NM of torque when using 99 RON fuel. *Power figures are climate, fuel quality and vehicle dependant.