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Old 19-08-2019, 11:43 AM   #26
Chappers
S5 - Full Throttle
 

Join Date: Apr 2014
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There wouldn't be any need to blip on downshift because you'd be doing it yourself, and no there wouldn't be any difference in the engine map or BHP. Loads of standard manual M3s out there with CSL airboxes and they're all running just fine.
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