I noticed a big difference when I last changed mine.
Less noise from the fuel pump, smoother idle, better acceleration.
The old filter was filthy and likely clogged on the inside.
Sent from my V9 using Bimmer App
I can help with
* Reading Codes / Coding your car
* R&R FCAs, Tie Rods, Sway links....
Need an RTAB tool? Or clutch fan and water pump tools? PM me.
Last edited by Ballistic325; 01-08-2013 at 08:03 PM.