BMW M3 Forum (E90 E92) - View Single Post - Underdrive Pulley Long-Term Reliability

aresh · 06-13-2012, 05:13 PM

Had it for a yr with an audio system installed. I had the same inquiries and let me tell you, pulleys are worth it. I noticed a huge difference in my butt dyno and so did the ppl that had driven the car prior to the pulley. O and no issues.

06-13-2012, 05:13 PM	#6
aresh First Lieutenant 31 Rep 369 Posts Drives: 2006 550i Join Date: May 2009 Location: NY iTrader: (1)	Had it for a yr with an audio system installed. I had the same inquiries and let me tell you, pulleys are worth it. I noticed a huge difference in my butt dyno and so did the ppl that had driven the car prior to the pulley. O and no issues.
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