View Single Post
      10-23-2012, 09:50 AM   #26
f10 550i
New Member
f10 550i's Avatar

Drives: 2012 f10 550i
Join Date: Nov 2011
Location: Dubai

iTrader: (0)

Originally Posted by P-Town550i
Originally Posted by f10 550i View Post
guys with the dinan intercoolers, do you hear any weird sound when the turbo's starts boosting and you suddenly take off your foot from the gas pedal ? (mostly heard on second and third gear), i'm not sure if this thing is normal or if i have a boost leak
Blow off valves?
Yah..more like a waste gate sound..
2012 BMW 550i M power front bumper and side skirts, Carbon Black, Dinan Stage 4 tune With Intercoolers, Eisenman exhaust, Custom X-pipe, H&R Springs