BMW E30 M3 Performance Chip S14 B23

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The KasselPerformance E30 M3 performance chip tunes the computer for a gain of torque (+19) and horse power (+24) across the entire power band. Premium fuel is required. Rev limite r can be customized but the standard is 7,800 RPM. Fits all E30 M3 with the stock 2.3L S14. Supports basic mods such as a cold air intake and or an aftermarket exhaust. series-3-series,series-3-series-chassis-e30,series-3-series-chassis-e30-model-m3 Show more