61 14 ... Removing and installing/replacing engine compartment B+ terminal

WARNING: This page does not describe the selected car, but rather 14 other vehicles, including the 2008 BMW Z4, 2008 BMW 328xi, 2008 BMW 328i, 2008 BMW 323i, and 2007 BMW Z4. However, it is still accessible from the selected car via links, so may be relevant.

Necessary preliminary tasks:

Read fault memory.
Disconnect Battery Negative Lead
Remove Both Windscreen Wiper Arms
Remove Microfilter Housing
Remove Cowl Panel Cover
Remove Tension Strut On Spring Strut dome on right
Remove Electronics Box

Open cap (1) and release nut underneath.

For tightening torque refer to 61 12 4AZ in 61 12 AUXILIARY CABLES/LEADS .

Remove cable lug mounting from positive battery leads (2).

Fig 1: Identifying B+ Terminal Cable Lug Cap

G04725675

Courtesy of BMW OF NORTH AMERICA, INC.

Remove cover (1).

Fig 2: Identifying B+ Terminal Cover

G04725676

Courtesy of BMW OF NORTH AMERICA, INC.

Unscrew nuts (1).

For tightening torque refer to 61 12 4AZ in 61 12 AUXILIARY CABLES/LEADS .

Remove positive leads.

Release lock (2).

Remove B+ terminal with cover (3).

Installation:

Cover (3) must snap correctly into B+ terminal.

Fig 3: Identifying B+ Terminal Lock, Retaining Nuts And Frame

G04725677

Courtesy of BMW OF NORTH AMERICA, INC.