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Old 10-10-2017, 02:08 AM   #2
NZ_M3
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So the 058 sensor that BMW now uses has these specs:



Which is identical to the 101 sensor above that I proposed on using.



Installed on a CSL and on CSL air rail. I had a really long pigtail on this as I wasn't sure which car I was going to test this on. But this can be made much much shorter and neater of course to make it look completely original



In order for this sensor to fit the CSL air rail, all that was needed was 0.5mm shaved off the nose inlet on the sensor with a craft knife (very easy to do) and then I purchased a Viton O-Ring size 8mm ID x 3mm cross section thickness (the original seal that came with the sensor is 8mm ID x 2.5mm cross section which was a little loose for my liking). It was a perfect fit. Everything bolted up like it was made for it.

Testing - identical to the original CSL map sensor readings (sorry the car was still in warm up stage so read a little higher.

No scaling change necessary like the other GM sensor. Same fast responding rate like the original CSL Map sensor.

engine off


Engine on warm up phase


Engine on post warm up but low oil temp still


I took it out for a spin and it was exactly the same as the original sensor - I did a quick log around the block but didn't bother with any screenshots. Everything read as it should.

All together if you were to build this on your own it'd cost much less than the BMW purchased sensor and in my opinion fit much neater and cleaner.
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