AC Auto Rotary Knob for BMW 4 F33 (2013-2020) in Black color Model B + MAX C253 2019 - 2023 The 5-pin motor is pre-assembled

The 5-pin motor is pre-assembled to OEM specification and connects directly to the factory wiring harness — no wiring modifications required

Direct OEM clip-in replacement — factory rear left door mounts

Reference OEM numbers: 971959858C

1 kg Installation: Pull the old knob off the splined stalk and press the Model B+MAX replacement down firmly until it seats

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AC Auto Rotary Knob for BMW 4 F33 (2013-2020) in Black color Model B + MAX C253 2019 - 2023 The 5-pin motor is pre-assembledAC Auto Rotary Knob for BMW 4 F33 (2013 2020) in Black color Model B + MAX The AC auto rotary knob controls fan speed or temperature on the climate panel dial. This Model B+MAX variant has the MAX function position and is a direct replacement when the knob becomes loose or cracks. AC auto rotary knob, black, Model B+MAX an OEM grade replacement for the climate control dial with MAX position. Press fits directly onto the original splined rotary stalk