PPKv.2 increases engine noise, as in the EU, PPKv.2 + BMWPE exceeds the allowable noise limits and isn't allowed.
Stock N55 + the BMWPE on it's own is under this limit.
2011 135i M-Sport Coupe DCT ~ Bluewater:Coral Red | BMWP CF spoiler & BMWPE | Birds B1 suspension | Forge FMIC | Hartge footrest | Alufelgen CS7
2017 X5 4.0dSE on order
1932 Ford 3 window Coupe hot rod