KN088Y

I have a 2005 A4 B7 2.0tfsi quattro has anyone done the pcv delete is it worth doing? And what gains do you find 

The driver side vent closest to the window seem to be lowing out cold air con the 2in the middle of the dash and the passagner window are blowing warm air out any idea? Really annoying in this heat 😂

Hi all 

Have a problem I have a red brake warning light on the display and the other top right is flashing the car drive and it brakes like normal no changes the fluid is ok and brake pads are fine 

It's showing no fault code on the obd reader 

Any ideas?

Hi all Need some help I have a A4 Avant b7 2006 2.0tfsi I have a code on my dash and I can't seem to find anything anywhere about it Where my mileage should be displayed it has a code L3 3-4 plug my reader in and no fault stored car runs and drives fine And idea or advice would be very appreciated