View Single Post
      01-23-2013, 02:50 PM   #15
First Lieutenant
Drives: E90 335 M-Sport
Join Date: Feb 2012
Location: tampa

Posts: 368
iTrader: (3)

Same issue here more noticeable on cold start to warm transition when the waste gate changes state.

Sounds like a valve tap or lifters. Dealer said normal but it started at about 26k miles. Under load its quite.
Check out my stuff for sale!BMW Performance Exhaust M3 Competition Reps -Avante Garde M35 Rims with Michelin Pilot Super Sport Tires, E9X Track Rim & Tire Setup-Toyo R888 & Avante Garde M359,Ohlin's Road & Track & KW coilovers, M3 Upper and Lower Control Arms, Vorshlag, H&R, Front Sway bar with bushings, VRSF Intercooler andCatless Downpipes, Cobb, AFE DCI
jetbill is offline  
Reply With Quote