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Do i need a remap?

2K views 6 replies 4 participants last post by  robert_paull 
#1 ·
Off to 1320Mini in mid-June to get an ALTA Cold air Intake and a Milltek Cat-back exhaust fitted to my MCS 2005 (already have a 17% pulley).

The question is, do i need a remap aswell or will the ECU adapt to it?
 
#6 ·
It can adapt slightly for tiny values under 3-4k, mainly for emission correction and smooth running, but above the car is open loop and the oxy sensors that lead to such adaptions are ignored, so no, it doesn't adapt really, for the purposes of tuning and performance.
 
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