Socket housings, 2x21-, 2x27-pin, Hybrid Systems MQS/MPQ, Elo/Elo Power (M4 2021-2023)
WARNING: This page is about a different car, the 2025 BMW M4, 2024 BMW M4, 2023 BMW M4, 2022 BMW M4, and 2021 BMW M4. However, it is still accessible from the selected car via links, so may be relevant.
Manufactured by AMP: The following bushing housing types without single conductor seal can be fitted into the socket housings:
- MQS (Micro Quadlock System)
- MPQ, width 2.8 mm (Micro Power Quadlock)
- MPQ, width 5.2 mm (Micro Power Quadlock)
Manufactured by Siemens: The following bushing housing types without single conductor seal can be fitted into the socket housings:
- Elo (electrical contact)
- Elo Power 2.8 mm width (electrical contact for heavy loads)
- Elo Power 5.2 mm width (electrical contact for heavy loads)
Raise lock (1) on housing (2).
Push contact carrier (3) from rear out of housing.
NOTE:
The second contact carrier is pushed out in the same way.
Pushing out the contact carrier releases the secondary locks of the socket contacts.
Pushing out the contact carrier releases the secondary locks of the socket contacts.
Hold down snap-in hooks (1) of contact bushing in opening of contact carrier with a small screwdriver.
Pull wire with contact bushing in arrow direction as far as secondary lock (2).
Hold down snap-in hooks in secondary lock (1) again and pull cable with contact bushing (2) completely out of contact carrier (3).