In-line connectors, 24-/44-pin, Hybrid System MQS/MPQ (530i 2017-2022, 530i xDrive 2017-2022, 530e PHEV 2018-2022, 530e xDrive PHEV 2018-2022, 540i 2017-2022, 540i xDrive 2017-2022, M550i xDrive 2018-2022)
Manufactured by AMP: The following contact types without strand sealing can be fitted in the connector housings:
- MQS (Micro Quadlock System)
- MPQ, width 2.8 mm (Micro Power Quadlock)
- MPQ, width 5.2 mm (Micro Power Quadlock)
Socket housing:
Press locks (1) on protective cap (2) upwards on both sides.
Detach protective cap from contact carrier (3).
Hold down retaining hook (1) of socket contact in opening of contact carrier with a small screwdriver.
Pull wire with socket contact in direction of arrow as far as secondary lock (2).
Hold down retaining hook in secondary lock (1) again and pull cable with socket contact (2) completely out of contact carrier (3).
Pin housing:
Press locks (1) on protective cap (2) upwards on both sides.
Detach protective cap from housing carrier (3).
Pull contact carrier (1) out of housing carrier (2).
The pin contacts are pulled out of a contact carrier as described under "Socket housing".




