61 12 … 

Warning!

Observe safety informations for handling vehicle battery.

Necessary preliminary tasks:

Clamp off battery lead from negative connection point

Replacing positive battery cable at partition seal (engine compartment) BMW M2 F87

Note:

Graphics shown on the F20 by way of example, deviations in detail are possible in other models.

Turn locks (1) 90° counterclockwise.

Unlock catch (3).

Remove cover (2).

Replacing positive battery cable at partition seal (engine compartment) BMW M2 F87

Slacken nut (1).

Tightening torque 61 21 4AZ:

Type Thread Tightening specifications Torque
1AZ Battery cable, positive terminal, battery cable, negative terminal, SBK, IBS

(Screw connection from top)

Cable shoe to high-current relay

F2x / F3x / F8x M6 5 Nm
2AZ Power distribution box, body
F2x / F3x / F8x 2,6 Nm
3AZ Distribution box to battery
. M6 8 Nm
4AZ Battery cable, positive terminal on distributor

Positive terminal of battery cable to transfer terminal point

Positive battery cable to jump start terminal point

F2x / F3x / F8x M8 15 Nm
5AZ Mounting, battery holder
F2x / F3x / F8x nutM6 6 Nm
M8 screw 8 Nm
6AZ Negative battery cable to body
F2x / F3x / F8x M8 15 Nm
7AZ Positive battery cable of sub floor to bolt of separation wall seal
F2x / F3x M6 8 Nm

Slacken nut (2).

Tightening torque 61 21 4AZ.

Remove positive battery cable (3).

Replacing positive battery cable at partition seal (engine compartment) BMW M2 F87

Check that the positive battery cable subsurface (1) is correctly positioned.

Positive battery cable subsurface (1) must face away from partition seal as shown.

In case of incorrect installation position:

Release nut (2) and correct installation position of positive battery cable subsurface (1).

Tightening torque 61 21 7AZ.

Replacing positive battery cable at partition seal (engine compartment) BMW M2 F87

Installation note:

Coat positive battery cables (1) at partition seal with contact protection grease.

(Contact protection grease BMW part number 83 19 2 295 229.)

Use a standard flat brush with a width of approx. 2.5 cm to apply the grease.

Replacing positive battery cable at partition seal (engine compartment) BMW M2 F87

Unclip cover (1).

Replacing positive battery cable at partition seal (engine compartment) BMW M2 F87

Installation note:

Guide and retaining lugs on cover (1) must not be damaged or missing.

Replacing positive battery cable at partition seal (engine compartment) BMW M2 F87

Installation note:

Coat positive battery cables (1) at partition seal with contact protection grease.

(Contact protection grease BMW part number 83 19 2 295 229.)

Use a standard flat brush with a width of approx. 2.5 cm to apply the grease.