Quote:
Originally Posted by dk79
Is there any mention of air to fuel ratio during the testing phase of racechip to make sure that the car is not running too lean which can lead to engine failure.
From online info new m5 already runs lean and piggybacks can make it worse. True dme tune can alter fuel tables to rectify the problem.
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Quote:
Originally Posted by onfireX5
My logs of RC shows lambda around 0.85 at wot. Safe for DI.
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This what I got from RC Germany.
Stock until 4000 rpm AFR 14.70 (Lambda 1)
RC GTS Black Map 7 until 4000 rpm AFR 14.70 (Lambda 1)
Stock at 6000 rpm AFR 13.23 (Lambda 0.9)
RC GTS Black Map 7 at 6000 rpm AFR 12.50 (Lambda 0.85)