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Home >> BMW >> 2011 >> 335i 2D Convertible, Standard >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 30 (General Electrical System - Repair - E90) >> Wiring Harness, Repair Cable >> 61 11... Fitting repair kit for positive battery lead transfer point

61 11... Fitting repair kit for positive battery lead transfer point

WARNING: This page is about a different variant/trim than selected.

Special tools required: 

Repair instructions describe fitting of repair kit for positive battery lead transfer point (part number 9 321 691).

READ AND COMPLY WITH NOTES ON HANDLING WIRING HARNESSES AND WIRING!

Necessary preliminary work: 

REMOVE REAR RIGHT WHEEL ARCH TRIM

Remove battery

Work is shown on the E91 by way of example.

There may be differences in detail in the case of other vehicle types and equipment specifications.

Figure shows the following lines (2):

Only remove positive battery lead on the right! 

Fig 1: Identifying Positive Battery Leads
G04727436Courtesy of BMW OF NORTH AMERICA, INC.

Unclip the right-hand cover (1) and undo the nut beneath it (tightening torque 8 Nm).

Remove right-hand positive battery lead (2).

Twist right-hand clamp ring (1) in direction of arrow and remove.

Installation note: 

Ensure that the tension rings (1) are correctly seated.

Fig 2: Twisting Right-Hand Clamp Ring
G04727437Courtesy of BMW OF NORTH AMERICA, INC.

Position suitable grips (2) on plastic body (3) as shown.

Firmly hold plastic body (3) with grips (2).

Unscrew sleeve (4) with spanner (1).

Fig 3: Identifying Grips And Plastic Body
G09851790Courtesy of BMW OF NORTH AMERICA, INC.

If sleeve (4) is damaged such that it cannot be unscrewed: 

Position grips (1 and 2) as shown, break plastic body (3) by twisting the two pairs of grips (1 and 2) in opposite directions and remove.

Unscrew sleeve (4) with grips (1).

Fig 4: Identifying Sleeve, Grips And Plastic Body
G09851791Courtesy of BMW OF NORTH AMERICA, INC.
Fig 5: Unscrewing Sleeve With Grips
G09851792Courtesy of BMW OF NORTH AMERICA, INC.

Screw nut (1) onto stud (2) and position special tool 32 2 040 as shown.

With the aid of special tool 32 2 040, press stud (2) through until stud (2) splits open plastic housing (3).

Pull stud (2) out of plastic housing (3).

Remove shrink-fit hose (1) in area marked by arrow.

Fig 6: Identifying Shrink-Fit Hose In Marked Area
G09851811Courtesy of BMW OF NORTH AMERICA, INC.

Clamp mole grips (4) on positive battery lead terminal (3) as shown.

Grip plastic cap (1) with suitable pliers (2) as illustrated.

Bracing pliers (2) against clamped mole grips (3), pull plastic cap (1) off positive battery lead terminal (4) with pliers (2).

Fig 7: Gripping Plastic Cap Using Suitable Pliers
G09851794Courtesy of BMW OF NORTH AMERICA, INC.

Clean positive battery lead terminal (1) with wire brush on both sides.

Remove any residues such as indicated by arrows.

Clean positive battery lead terminal (1) and positive battery lead insulation in marked area (2).

Fig 8: Cleaning Positive Battery Lead Terminal
G09851795Courtesy of BMW OF NORTH AMERICA, INC.

Before parts from the repair kit are fitted, the type of positive battery lead terminal must be established.

Compare shape of battery positive lead terminal on vehicle with the following pictures and identify which type it is: 

  1. Aluminium lead
  2. Copper lead
    Fig 9: Identifying Aluminium And Copper Lead
    G09851796Courtesy of BMW OF NORTH AMERICA, INC.

Casing (1) and grommet (3) carry an identification mark (2):

  1. Slide grommet (2) from repair kit onto positive battery lead (1).
  2. Slide plastic body (3) from repair kit onto positive battery lead terminal (1).
  3. Fit stud (4) from repair kit.
  4. Screw sleeve (5) from repair kit onto stud (4) and tighten.
  5. Position grommet (2) on plastic body (3) as shown.

Insert 38 mm dia. seal (1) from repair kit at marked position on plastic body (2).

Fit 23 mm dia. seal (3) from repair kit on plug bolt (4) from repair kit.

Screw plug bolt (4) and seal (3) into plastic body (2) in marked position.

Clean bodywork in area of sealing face.

Fit positive battery lead to transfer point.

Fig 11: Identifying Plug Bolt And Screw
G09851798Courtesy of BMW OF NORTH AMERICA, INC.
NOTE: If there is corrosion damage to the bodywork in the area of the transfer point, it must be repaired according to the BMW guidelines before fitting the positive battery lead.
Following the completed repair, the body and positive battery connection point must be sprayed with cavity preservation in a diameter of 20 cm.