Based on the 1986 model year E30 3 Series, the M3 was only available in coupe and convertible body styles. The E30 M3 used the BMW S14 inline-4 engine. The first iteration of the engine produced 143 kW; 192 hp (195 PS) with a catalytic converter and 147 kW; 197 hp (200 PS) without a catalytic converter. In September 1989, power was increased to 158 kW; 212 hp (215 PS) with a catalytic converter.

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