Thread: 328i N20 Tunes
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      05-25-2012, 08:35 AM   #6
mocohead
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Drives: '16 M235i 6MT & 12 128i Msport
Join Date: Sep 2010
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Good discussion folks!

Not only will I be looking for whether or not the tune trips a code in the ECU, the interesting question to watch will be whether that code is persistent or whether it can be cleared by somebody other than a dealer. The analogy is over-rev codes... on some cars those aren't cleared by consumer used devices.

My hope is that we will see tuners post data to show their products are safe for our cars. What I am looking for is knock counts stock and tuned (some cars throw high knock counts even stock), fuel trims, injector duty cycles, wastegate duty cycles, afr's, IAT and EGT.

As a consumer I am unwilling to spend money unless the vendor shows empirical evidence (not..."we have never blown a car up before...") that their product is safe.

I can't help but wonder how much overhead there is in this car. Hopefully somebody will do some data logging and post up their results.
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