Crimping Micro Power Quadlock contacts (MPQ) (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.
Special tools required:
- 61 4 320
To crimp MPQ contacts, use hand pliers 61 4 321 (1) in conjunction with crimping head 61 4 325 (2) from crimping set 61 4 320.
NOTE:
Hand pliers (1) open automatically until stop when handles are pressed together.
Open hand pliers (1).
NOTE:
Place contact (2) with utmost care in designated nest (observe line cross-section) in crimping head (3). Make sure it is exactly positioned.
Place MPQ contact (2) in crimping head (3).
Close hand pliers (1) one notch.
NOTE:
Follow procedure for cutting and stripping off insulation from cables.
Insert stripped cable (2).
Close hand pliers (1) fully.
Open hand pliers (1) and remove cable (2).
IMPORTANT:
Check contact for correct crimping.