Attaching the refrigerant lines to the air conditioning compressor
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.
Precondition
All the negative battery cables are disconnected.
- Replace sealing rings (1)
on refrigerant lines (2)
.
Parts: Sealing ring
- Insert and install the coolant lines (2) .
- Tighten the screws (1) .
TIGHTENING TORQUE SPECIFICATIONS
| Refrigerant line on air conditioning compressor | ||
| M8 | tightening torque | 19 Nm |
CAUTION:
Improper routing of the positive battery cable.
Risk of short circuits!
Risk of short circuits!
- Route the positive battery cable without abrasions and do not trap.
- Insert the positive battery cable (2) and install it.
- Tighten nut (1) .
TIGHTENING TORQUE SPECIFICATIONS
| Positive battery cable to the alternator | ||
| M8 | Tightening torque | 19 Nm |
- Connect connectors (3)
and lock.
The connector (3) must engage audibly.