Quote:
Originally Posted by greentrbo95gst
Those monitors are not very accurate. Not sure if they are vacuum based like the old MPG gauges. I have it in the f15 x5 and it's crap.
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These datas are coming from the ECU. For example on my e92 335i i will have custom software and can display two boost datas: 1, pre throttle-valve boost and 2, intake manifold boost.