BMW 3-Series (E90 E92) Forum - View Single Post - DIY: 335i Exhaust Sound Mod. Better, and even easier than golf tee mod.

dcm52 · 09-28-2010, 11:11 AM

This does work great, but I got "Service Engine Soon" message after a couple of weeks on my 08 335i coupe. Dealer tracked it down to this being unplugged. Got my hand spanked.

09-28-2010, 11:11 AM	#378
dcm52 Enlisted Member 1 Rep 44 Posts Drives: 2008 335i coupe 6mt Join Date: Jun 2010 Location: Seattle iTrader: (0)	This does work great, but I got "Service Engine Soon" message after a couple of weeks on my 08 335i coupe. Dealer tracked it down to this being unplugged. Got my hand spanked.
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