It is also necessary to align your car afterward

you get an impressive audio experience that turns your drive into a concert experience

Model: InoXcar Catalytic Converter Replacement + middle pipe

Model compatibility: BMW 5 Series E60 Sedan 525D/530D/535D/545i (07/2003 - 03/2010)

Simoni Racing, Lambda Sensor Emulator - Type 2 - Dobbel - Euro 4 KT118087KT It is also necessary toOptimize your cars performance with Simoni Racing Lambda Sensor Emulator With Simoni Racing Lambda Sensor Emulator Type 2 Double Euro 4, you can ensure that your car operates optimally, even when you have made changes to the exhaust system. This emulator is designed for petrol cars up to Euro 4 standards and is ideal for those who want to install a sports catalytic converter or remove the original catalytic converter without causing problems for the