Remus offer 2 syetsm for the M135i F40 cars.
Both work with the cars OPF / OPP filter , they will pass MOT's and not needed mapping..
Please note that the white car has the early SW mapping in , they chnaged later 2019, so cars made after then wont have the over run pops and bangs..
Anymore info needed please just ask.
For more info please get in contact .
[email protected]
01604 810000
Shop on line
https://motechperformance.bigcartel.com
Motech Hoodie
https://motechperformance.bigcartel.com/product/motech-logo-hoodie
Motech Carbon key ring
https://motechperformance.bigcartel.com/product/motech-carbon-key-ring