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Increasing the RPM limit is recommended only for racing purposes
Just in time for Summer
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6 Month Limited Parts Warranty
The S55 that powers the 2015-2020 BMW F8X M3
Edge Products 38862-D2 Amp'd 2.0 Throttle Booster W/ Bluetooth Switch Exhaust Manifolds Increasing the RPM limit isGet faster turbo spool when you install the Edge Products 38862 D2 Amp'd 2. 0 Throttle Booster W Bluetooth Switch on to your vehicle. Five settings come preprogrammed on the Throttle Booster. Economy, Stock, Drive, Sport, Extreme are all specially designed by Edge to deliver improved throttle response right out of the box. Three slots remain specifically for your custom settings so your throttle response settings are truly one of a kind. The Amp'd 2.