viven
Member
Hi,
I recently installed the BMW Performance Exhaust on my N55 BMW 135i Coupe and was curious as whether any sensors needed to by changed or if there was any reprogramming that needed to be done? As far as I am aware, the dealer just cut the mid-section and bolted on the performance exhaust.
Regards,
Viven
I recently installed the BMW Performance Exhaust on my N55 BMW 135i Coupe and was curious as whether any sensors needed to by changed or if there was any reprogramming that needed to be done? As far as I am aware, the dealer just cut the mid-section and bolted on the performance exhaust.
Regards,
Viven