Quote:
Originally Posted by jonwilli
To do that do you need to tap into the throttle body and run a hose to the P3 gauge? I assume the MAP sensor on the manifold does not read boost?
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Awesome SD! I have an N51 as well. There was a huge ESS supercharger thread in E90post where AJ had to tune the N51 to use the MAF sensor because it is alot more finicky then the N52. The P3 gauge looks like you can universally tap anywhere to get battery voltage, boost, and ambient temperatures. I looked on P3's website and they had a section for our car!
http://www.p3cars.com/shop/bmw/bmw-3...p3-vent-gauge/