m5board.com Site Sponsors
Join Date: Apr 2008
Location: W Los Angeles
Thanked 58 Times in 49 Posts
I had this happen to me and it turned out to be a transmission pulse sensor.
It's normal for a slight clunk to occur, but not one that makes you feel as if you were rear ended.
BPMSport - BMW Coding / Programming Experts - E60 M5 Euro SMG Available
E60 M5 / E63 M6 Performance Tuning Information Sheet
E60 M5 / E63 M6 Coding Features Sheet: http://www.bpmsport.com/BPMCoding.pdf
F10 M5 - Frozen White with Competition Package and Carbon Ceramic Brakes
E90 M3 6MT - Akra Evo, Crank Pulley, Stage II BPMSport ECU Flash, BBS LM, LCI
E46 M3 LCI - ZCP Programming, HPF Subframe Reinforcement, 18" E92 M3 Wheels, Suspension Mods, BPM ECU and CSL SMG Software
E60 2010 550i M-Sport Automagic - 100% bone stock other than window tint
1990 E32 735i -Low Comp M35B30 w/ GT35 Turbo, Air to Water intercooler @ 14 PSI