Wednesday May 12, 2021
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Video: HMS Performance with flap sports exhaust on the BMW 1M Coupe

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The BMW 1M Coupé shown in the video has got a sports exhaust system with flap function installed by HMS Performance that lets the tuned engine roar properly with its 323KW / 440PS and 680NM torque (achieved with the Stage 2 kit). Other changes to the 1 Series are the installation of a downpipe and sports catalysts.

(Video: HMS Performance)

From second 34 the doors of the sports exhaust system are open.

Smava tuning blog credit 12 e1618563898711 Video: HMS Performance with flaps sports exhaust on the BMW 1M Coupe

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