R44 BMW G80/G81 M3, G82/G83 M4 & G87 M2 S58 Stage 2 Ethanol Flex Fuel KitThe R44 Ethanol Flex Fuel Kit has been developed specifically for Stage 2 tuned G8X BMWs running the S58 engine including the G87 M2, G80 G81 M3 and G82 G83 M4. Designed for drivers who want to extract more performance from their existing Stage 2 setup, this kit enables you to safely run ethanol blended fuels, most commonly an E30 mix, for increased power and smoother combustion. This comprehensive solution includes a genuine Continental ethanol
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