New question

[Dave 2 dogs]

How many of you have had the M40i mapped
And you’re thoughts if you have… hear you can get most of another 100 BH ? Is this real?

 

[B21]

420 BHP possible with particulate filter ..450 ish without plus maybe downpipe..
Obviously no warranty..

 

[Dave 2 dogs]

420 BHP possible with particulate filter ..450 ish without plus maybe downpipe..
Obviously no warranty..

a substantial number