BMW 3-Series (E90 E92) Forum - View Single Post - vacuum line fix - low boost, underboost, 30ff, wastegate rattle

BeeMuh · 12-05-2014, 11:48 AM

2007 @ 68k miles and my rubber lines were extremely hard. I was boosting 6 PSI regardless of map 1, 5 or 7 (JB4 G5). After going to Pep Boys, I purchased a pack for $5 and replaced those two lines. Wow, Map 7 hitting 18 PSI! Thanks OP!

12-05-2014, 11:48 AM	#146
BeeMuh Private 12 Rep 53 Posts Drives: 2007 335i Join Date: Sep 2013 Location: Orange County iTrader: (0)	2007 @ 68k miles and my rubber lines were extremely hard. I was boosting 6 PSI regardless of map 1, 5 or 7 (JB4 G5). After going to Pep Boys, I purchased a pack for $5 and replaced those two lines. Wow, Map 7 hitting 18 PSI! Thanks OP!
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