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

2007 BMW 328i 2D Coupe, N52, AutomaticSECTION 61 14... Removing and installing/replacing engine compartment B+ terminal

Necessary preliminary tasks:Β 

Open cap (1) and release nut underneath.

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

Remove cable lug mounting from positive battery leads.

Fig 1: Identifying Cable Cap
G04725675Courtesy of BMW OF NORTH AMERICA, INC.

Remove cover (1).

Fig 2: Identifying Cover
G04725676Courtesy of BMW OF NORTH AMERICA, INC.

Unscrew nuts (1).

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

Remove positive leads.

Release lock (2).

Remove B+ terminal with frame (3).

Installation:Β 

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

Fig 3: Identifying Lock, Frame And Nuts
G04725677Courtesy of BMW OF NORTH AMERICA, INC.
RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.