BMW 3-Series (E90 E92) Forum - View Single Post - shop who has installed and understands HFS-4

themyst · 07-10-2012, 01:23 PM

Hfs-4 is a royal pain in the ass, be prepared to splice into your ecu. If you are going to pay someone, make sure they do it right because you're splicing wires you only get one shot with.

07-10-2012, 01:23 PM	#5
themyst Major General 177 Rep 6,631 Posts Drives: '16 MK7 GTI Join Date: Feb 2009 Location: NYC iTrader: (8)	Hfs-4 is a royal pain in the ass, be prepared to splice into your ecu. If you are going to pay someone, make sure they do it right because you're splicing wires you only get one shot with. __________________ E90 LCI N54 6AT
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