In the 06 GTI there is an EGG to get the Information Display screen on the AC's temperature screen. Pretty nifty... My friend showed it too me. There is a sequence of settings you set the AC to so that you can access this "Diagnostic Mode". My same friend with a 540i had a way of accessing the Diagnostic Mode on his Critical Info screen on the cluster. He got it to read out real-speed, real-rpm, some battery thing, and maybe even oil temp. I'm pretty sure the car's ECU monitors all these things with sensors so someone should be able to read these. I dunno, just my .02$
I think something should enable the boost to readout on the factory clusters critical information screen (I'm just going out on a limb guessing that 335 has one...)
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“No man has the right to be an amateur in the matter of physical training. It is a shame for a man to grow old without seeing the beauty and strength of which his body is capable.” ~ Socrates
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