BMW X5 Owners & Service Manuals

BMW X5: Vehicle battery

General information

The battery is maintenance-free.

More information about the battery can be requested from a dealer's service center or another qualified service center or repair shop.

Safety information

DANGER

Contact with live components can lead to an electric shock. There is a risk of injury or danger to life. Do not touch any components that are under voltage.

Warning

Vehicle batteries that are not compatible can damage vehicle systems and impair vehicle functions. There is a risk of an accident and damage to property. Only vehicle batteries that are compatible with your vehicle type should be installed in your vehicle. Information on compatible vehicle batteries is available at your dealer's service center.

Register the battery to the vehicle

The manufacturer of the vehicle recommends that you have a service center or another qualified service center or repair shop register the vehicle battery to the vehicle after the battery has been replaced. Once the battery has been registered again, all comfort features will be available without restriction and any Check Control messages displayed which relate to comfort features will disappear.

Charging the battery

General information

Make sure that the battery is always sufficiently charged to guarantee that the battery remains usable for its full service life.

A discharged battery is indicated by a red indicator light.

Charge the battery when acceleration is insufficient.

The following circumstances can have a negative effect on the performance of the battery:

Safety information

NOTICE

Battery chargers that charge the vehicle battery via sockets in the vehicle may overload or damage the 12 V electrical system. There is a risk of damage to property, among other potential damage. Only connect battery chargers for the vehicle battery to the starting aid terminals in the engine compartment.

Charging the battery

Charge the battery only when the engine is off and via the starting aid terminals in the engine compartment.

With Mild Hybrid technology: charge the battery only when the hood is opened.

Power interruption

After a power interruption, some equipment needs to be newly initialized or individual settings updated, for example:

Mild Hybrid technology

Principle

Part of the Mild Hybrid technology is a battery that works with a voltage of 48 volts. Mild Hybrid technology can lower the fuel consumption.

Mild Hybrid technology influences the following functions.

Additional information:

Safety information

DANGER

Contact with live components can lead to an electric shock. There is a risk of injury or danger to life. Do not touch any components that are under voltage.

Overview

Replacing components

The battery for the Mild-Hybrid technology is located under a cover in the engine compartment on the front passenger side.

Removing the cover

1. Turn lid up to the opened lock symbol arrow 1.

Replacing components

2. Remove cover, arrow 2.

Information

A purple cable leads from the battery to the center of the vehicle.

Do not replace or work on the battery for the Mild Hybrid technology.

Disposing of old batteries

Have old batteries disposed of by a dealer's service center or another qualified service center or repair shop or take them to a collection point.

Maintain the filled battery in an upright position for transport and storage. Secure the battery so that it does not tip over during transport.

Fuses

General information

The fuses are located at different places in the vehicle.

Information on the fuse types and locations and the positions of the fuse boxes is available on the Internet: www.bmw.com/fusecard.

Safety information

Warning

Incorrect and repaired fuses can overload electrical lines and components. There is a risk of fire. Never attempt to repair a blown fuse. Do not replace a nonworking fuse with a substitute of another color or amperage rating.

Replacing fuses

The vehicle manufacturer recommends that you have a dealer's service center or another qualified service center or repair shop replace the fuses.

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