BMW X5 Owners & Service Manuals

BMW X5: Battery Vapor Separator

REPLACING BATTERY NEGATIVE LEAD

WARNING: Observe safety instructions for handling vehicle battery.

Follow instructions for disconnecting and connecting battery.

IMPORTANT: Do not under any circumstances use force to pull/lever off Intelligent Battery Sensor (IBS).

Necessary preliminary tasks:

Release screws (1).

Remove battery cover (2) upwards.

Battery Vapor Separator
Fig. 157: Identifying Battery Cover

Loosen nut (1).

Tightening torque.

Remove battery negative lead with IBS.

Disconnect plug connection (2).

Unscrew nut (3).

Tightening torque.

Battery Vapor Separator
Fig. 158: Identifying Plug Connection

DISCONNECTING AND CONNECTING BATTERY NEGATIVE LEAD

WARNING: Observe safety instructions for handling vehicle battery.

Follow instructions for disconnecting and connecting battery.

IMPORTANT: Do not under any circumstances use force to pull/lever off Intelligent Battery Sensor (IBS).

Necessary preliminary tasks:

Release screws (1).

Remove battery cover (2) upwards.

Battery Vapor Separator
Fig. 159: Identifying Battery Cover

Loosen nut (1).

Tightening torque.

Disconnect battery negative lead (2) with IBS and secure at side.

Battery Vapor Separator
Fig. 160: Identifying Battery Negative Lead

PERFORMING BATTERY "POWER RESET" (FOR PROGRAMMING/CODING CONTROL UNIT(S) )

IMPORTANT: Observe safety instructions for handling vehicle battery.

The following steps must be carried out for a "power reset":

REMOVING AND INSTALLING/REPLACING BATTERY

WARNING: Observe safety instructions for handling vehicle battery.

Notes and instructions on Intelligent Battery Sensor IBS.

IMPORTANT: Do not under any circumstances pull/lever safety battery terminal off by force.

Necessary preliminary tasks:

Detach vent (1) in direction of arrow.

Unlock positive terminal cover (2).

Slacken nut (3) of safety battery terminal.

Tightening torque.

Detach safety battery terminal towards top, lay to one side and secure.

Release threaded pin (4).

Release screw (6) and remove holder.

Release screw (5) and remove holder.

Lift out battery.

Battery Vapor Separator
Fig. 161: Detaching Vent

Installation:

Make sure battery is correctly seated in associated fixture.

Replacement:

Version with Intelligent Battery Sensor:

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