Thread: M3carbon1 remap
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Old 28th August 2015, 10:43 PM   #31
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Join Date: Oct 2011
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Car: 2002 E46 M3
Colour Combo: Carbon - Red nappa

Originally Posted by luano View Post
Is there a thread explaining the difference between a gsr box running alpha-n and a gsr box running csl software? not the difference in actual driving, more whats involved with the job its self? i.e is it just a remap or a conversion?
The CSL software uses completely different mapping in terms of load points etc..For example the CSL has fuel maps that inject a different amount of fuel at a different time than the normal M3, also uses a map sensor to accurately measure oxygen content entering the engine. Alpha N uses air intake and barometric pressure and RPM. CSL uses all of those plus the main MAP sensor and is much more accurate.

In Lehman's terms

I hope that answers your question.
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