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      03-29-2021, 11:01 AM   #2555
dogbone
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Drives: '09 E90 M3 - IB
Join Date: Feb 2012
Location: 93 million miles from the Sun

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2009 BMW E92 M3  [0.00]
2009 BMW E90 M3  [0.00]
Quote:
Originally Posted by JScheier View Post
On the E92 GTS car, we ended up wiring the vacuum pump to a switch in the cabin to power it the entire time we were on track. Just got tired of it turning off / not turning on at all during a race. The switch was the easy button.
(unless you are me and forget to flip the switch...usually you figure it out as you are going into turn 1 at HPR, three wide, and hit the pedal).
haha I bet you only forget to do that ONCE! hahahaha

Interesting solution to hard wire it. Do you ever burn out the pump because it runs constantly?

For now, the pump issue seems solved. I suspect as these cars get older, the ground just gets flaky due to so much crap going on in the engine bay with fluid sprays and spills and heat and dirt. You just need to go in and clean it up. Interestingly, Chris is getting the same limp mode. He installed a supercharger which required attaching a ground and now he's having some issues. He's going to look at ground now.
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