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E93Blackhawk · 11-08-2012, 08:04 AM

Ive seen a post saying a member is only making x psi on JB4.

Yes it could have been a boost leak, WG issue etc.

But my question is does different maps on the JB4 create different psi levels?

11-08-2012, 08:04 AM	#12
E93Blackhawk First Lieutenant 31 Rep 344 Posts Drives: 2008 335i M sport Join Date: Oct 2011 Location: London iTrader: (0)	Ive seen a post saying a member is only making x psi on JB4. Yes it could have been a boost leak, WG issue etc. But my question is does different maps on the JB4 create different psi levels? Last edited by E93Blackhawk; 11-08-2012 at 08:18 AM..
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