L Liverpool26 Member Dec 6, 2017 #1 3litre with a rough idle and then increases under braking...................anyone with any ideas............
3litre with a rough idle and then increases under braking...................anyone with any ideas............
jabber Veteran Hampshire Dec 6, 2017 #2 Sounds like a air leak if its an early z4 it could be the throttle air intake boot
D Ducklakeview Elite Merseyside Dec 6, 2017 #3 Vacuum leak if it increases under braking. Are the brakes heavy? Mike
L Liverpool26 Member Dec 6, 2017 #4 It is an early zed so I will check the boot this weekend... Thanks......
L Liverpool26 Member Dec 6, 2017 #5 As for the brakes being heavy....... It's not something I've noticed to be honest........