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      11-18-2012, 04:52 AM   #1
rawbhp
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Drives: E90 335i M Sport
Join Date: Oct 2012
Location: Herts

Posts: 131
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Strange JB4 issue-indicators on

I've recently installed a JB4 in my 07 335i with no issues, however when I've tried to change some options via my laptop, then use the steering wheel controls, I've discovered that with the engine running my two in-dash indicator lights are stuck on and the indicators won't work at all, and I can't gain access to the menu using the volume/up down buttons. Once the engine is off the lights go out and my indicators return to normal!

I've done some searching and have only found one other person who has had this problem, and no solution. Setting the map to 0 does cure the problem, so it's something to do with routing the ECU signal through the JB4.

Can anyone help!?
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E90 335i M Sport

Last edited by rawbhp; 11-18-2012 at 05:12 AM.
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