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

2011 BMW 335xi 2D Coupe, StandardSECTION 61 14... Removing and installing/replacing engine compartment B+ terminal
IMPORTANT: Read and comply with notes on HANDLING WIRING HARNESSES and cables.

Necessary preliminary tasksΒ 

NOTE: Work is shown on the E82 N52N by way of example. There may be differences in detail in the case of other vehicle models.

Unclip covers (1) and release nuts underneath.

Tightening torque: 61 12 4AZ .

Remove battery positive cables.

Fig 1: Identifying Engine Compartment B+ Terminal Cover
G04727441Courtesy of BMW OF NORTH AMERICA, INC.

Unclip cover (1).

Fig 2: Identifying Engine Compartment B+ Terminal Cover
G04727562Courtesy of BMW OF NORTH AMERICA, INC.

Unscrew nuts (1). Tightening torque: 61 12 4AZ .

Remove battery positive cables.

Release locks (2) and remove frame (3) towards rear from B+ terminal.

Unclip B+ terminal and remove towards front.

Installation:Β 

Make sure frame (3) engages correctly in B+ terminal.

Fig 3: Identifying Engine Compartment B+ Terminal Frame, Lock And Nuts
G04727563Courtesy 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.