Quote:
Originally Posted by Z4MC
where do you find the tune makes the biggest difference. what part of the rpm range is it most noticable?
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Mid to high end. It's noticeably easier to get the car up to speed, and if you take it all the way, the car just keeps going. The throttle response is a lot better too.
I've never driven a z4m so I'm not sure if they behave the same way as the M3, but the tune completely transformed the car. It's much more of a pleasure to drive now. Not as finicky or picky with operator inputs lol.
Did you get your headers done?