If bmw do gearbox and engine ecu together it will wipe any remap you have had!evolve will reinstall their map free of charge but not sure on other tuners!!
I had update 9 this year and only got Gearbox Software update on its own by Gareth at bartletts as i don't have the software!!
Its very agressive and very quick once updated s5 is now s3 and the new s5 is even quicker gearchange and the down shift blip rev range has changed making a more agressive blip when changing down gear!!
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Bmw in the blood!!
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