ASR KLAPPENSTEUERUNG CB2 BMW M4 G83 X4 M40i Reduce the operating costs of

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ASR KLAPPENSTEUERUNG CB2 BMW M4 G83 X4 M40i Reduce the operating costs ofBMW M2 M3 M4 G80 G81 G82 G83 G87 FLAP CONTROL CB2 Flap control CB2 for controlling the exhaust flaps via the exhaust button BMW M2 G87 BMW M3 G80 BMW M3 Touring G81 BMW M4 G82 BMW M4 G83 No approval in the StVO For racing, show or export use only Flap control CB2 for controlling the exhaust flaps via the exhaust button Compatible models: Functions at a glance: Exhaust button: Active: Flaps permanently open Inactive: Open from 4000 rpm Series mode