12 42 540 Replacing safety battery terminal (SBK)
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2005 BMW 745i, 2005 BMW 745Li, 2004 BMW 745i, 2004 BMW 745Li, and 2003 BMW 745i. However, it is still accessible from the selected car via links, so may be relevant.
CAUTION:
Comply with safety regulations!
Investigate cause of safety battery terminal being triggered.
To do so, read fault memory of airbag control unit. Note down fault messages stored in memory. Rectify faults.
Now clear the fault memory.
Investigate cause of safety battery terminal being triggered.
To do so, read fault memory of airbag control unit. Note down fault messages stored in memory. Rectify faults.
Now clear the fault memory.
Necessary preliminary tasks:
- Remove luggage compartment floor trim panel. Refer to 51 47 101 REMOVING AND INSTALLING/REPLACING LUGGAGE COMPARTMENT FLOOR TRIM PANEL .
- Remove spare wheel cover. See 51 47 140 REMOVING AND INSTALLING / REPLACING PANEL FOR LUGGAGE COMPARTMENT PARTITION
- Remove spare wheel.
- Remove right luggage compartment wheel arch trim. Refer to 51 47 161 REMOVING AND INSTALLING / REPLACING RIGHT LUGGAGE COMPARTMENT WHEEL ARCH TRIM .
- Remove jack.
- Remove right luggage compartment mat underlay.
- Follow instructions for disconnecting and connecting battery. Refer to 12 00... Instructions for disconnecting and connecting battery .
- Disconnect battery negative lead and cover.
- Unlock battery positive terminal cover in luggage compartment and lift out.
NOTE:
The safety battery terminal is replaced with the cable up to the battery positive terminal in the luggage compartment and up to the power module.
Release battery positive terminal (1).
Release nut at terminal (2).
Unlock and detach plug connection (3).
Unlock positive lead (4) at power module and detach.
Remove safety battery terminal (5) with positive lead.
Installation:
Check routing of cables.
Installation:
If necessary, replace faulty fuses.