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      02-15-2013, 09:44 AM   #11
Second Lieutenant

Drives: 2008 135i vert Cobb Stage2
Join Date: Mar 2012
Location: Winnipeg, Canada

Posts: 276
iTrader: (0)

I'm going on a year after cleaning mine with no problems, its not a big deal more a maintenance item. I plan on cleaning them every 3 oil changes on both my Bimmers. I was amazed at how much better my X3 drove after cleaning the solenoid, night and day!
2008 SGM 135i Cobb Stage 2 FBO
2008 TS X3 MSport KW V2