Get MOBILITY -> Replacing parts Guide for BMW 1 Series 4 Door Third Generation (2019-2024)

Replacing parts

MOBILITY

Replacing parts

Vehicle equipment

Wiper blades

Safety notes

NOTE

This chapter describes all standard, country-spe‐

cific and optional equipment available for the

model series. It may therefore describe equip‐

ment and functions which are not installed in

your vehicle, for example on account of the spe‐

cial equipment selected or the country specifica‐

tion. This also applies to safety-relevant func‐

tions and systems. Please comply with the

relevant laws and regulations when using the

corresponding functions and systems.

The windscreen may sustain damage if a wiper

falls onto it without the wiper blade fitted. There

is a risk of material damage. Hold the wiper

firmly when changing the wiper blade. Do not

fold in or switch on the wiper without a wiper

blade installed.

On-board tool kit

NOTE

Wipers which are folded away from the wind‐

screen can become trapped if the bonnet is

opened. There is a risk of material damage. Be‐

fore opening the bonnet, make sure that the

wipers are fitted with wiper blades and are in

contact with the windscreen.

Depending on the equipment, the on-board tool

kit is located:

▷ In the luggage compartment behind the left

side trim.

Replacing the front wiper blades

1. To replace the wiper blade, move the wiper

to the fold-out position, see page 133.

2. Fold out wiper arm and hold firm.

3. Press the button, arrow 1, and turn the wiper

blade, arrow 2.

▷ Under the luggage compartment floor.

4. Pull the wiper blade forwards and out, ar‐

row 3.

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5. Insert the new wiper blade in the opposite se‐

quence ensuring that it clips into place.

A box of spare bulbs is available from a Service

Partner of the manufacturer or another qualified

Service Partner or a specialist workshop.

6. Fold in the wipers.

Comply with the safety notes, see page 323.

Replacing the rear wiper blade

The wiper blade is engaged on the end of the

wiper arm.

Headlight glass

During cool or humid weather, the headlight

glass can mist over on the inside. When driving

with the lights switched on, the condensation

disappears after a short time. There is no need to

replace the headlight glass.

1. Pull the wiper up fully and pull off the wiper

blade, arrow.

If moisture increases for example if there are wa‐

ter droplets in the lamp despite the headlights

being switched on, have the headlights checked.

Safety notes

WARNING

Bulbs can become hot during operation. Con‐

tact with the bulbs can lead to burns. There is a

risk of injury. Only replace bulbs when they

have cooled down.

2. Insert new wiper blade. The wiper blade must

engage audibly.

3. Fold in the wipers.

Bulbs and lights

WARNING

Short circuits can occur when working on light‐

ing systems that are switched on. There is a

risk of injury or material damage. Switch the re‐

spective lights off when working on the lighting

system. Where applicable, observe the en‐

closed instructions from the bulb manufacturer.

General

Bulbs and lights

Lights and bulbs are an important aspect of driv‐

ing safety.

Some equipment versions have light-emitting di‐

odes behind a cover as a light source. These

light-emitting diodes are similar to conventional

lasers and are classified by legislation as Class 1

light-emitting diodes.

WARNING

Intense brightness can irritate or harm the ret‐

ina of the eye. There is a risk of injury. Do not

look directly into the headlights or other light

sources. Do not remove covers from LEDs.

In the case of a defect, the manufacturer of the

vehicle recommends having respective work car‐

ried out by a Service Partner of the manufacturer

or another qualified Service Partner or a special‐

ist workshop.

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NOTE

Turn indicator

Bulb type PY21W, 21 watt.

Dirty bulbs have a reduced lifetime. There is a

risk of material damage. Do not touch the glass

of new bulbs with your bare hands. Use a clean

tissue or similar, or hold the bulb by its base.

1. Turn the bulb holder anticlockwise and re‐

move.

Front lights

Halogen headlights

Overview

2. Press the bulb gently into the fitting, turn anti‐

clockwise and remove.

3. Fit new bulb and bulb holder in the reverse

sequence.

Low-beam headlights

Bulb type H7LL, 55 watt.

1. Turn the cover anticlockwise and remove.

1

2

3

4

High-beam headlights

Low-beam headlights

Turn indicator

Side lights, daytime running lights

The side lights and daytime running lights use

LED technology.

In the event of a fault, contact a Service Partner

of the manufacturer or another qualified Service

Partner or a specialist workshop.

2. Pull off connectors.

Access to turn indicators, low-beam

headlights, high-beam headlights

Comply with the safety notes, see page 323.

Open the bonnet, see page 311.

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3. Press down the clamp, slide to the right, ar‐

row 1, and fold down, arrow 2.

High-beam headlights

Bulb type 55 watt, H7LL.

1. Turn the cover anticlockwise and remove.

4. Pull out the bulb.

2. Pull off connectors.

5. Install the new bulb.

When doing this, position the lug of the bulb

correctly in the headlight housing and feel the

bulb engage. Check the bulb is in the correct

position from outside.

3. Press down the clamp, slide to the left, ar‐

row 1, and fold up, arrow 2.

6. Fold back the clamp and feel it engage.

7. Attach the connector to the bulb.

8. Close the headlight housing with the lid. En‐

sure that the lid engages.

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4. Pull out the bulb.

Rear lights

General

Comply with the safety notes, see page 323.

In the case of halogen headlights, the reversing

light and the rear fog light use LED technology.

In the case of LED headlights, all the rear lights

use LED technology.

With Adaptive LED headlights: all rear lights are

designed with LED technology.

5. Install the new bulb.

In the event of a fault, contact a Service Partner

of the manufacturer or another qualified Service

Partner or a specialist workshop.

When doing this, position the lug of the bulb

correctly in the headlight housing and feel the

bulb engage. Check the bulb is in the correct

position from outside.

Overview

6. Fold back the clamp and feel it engage.

7. Attach the connector to the bulb.

8. Close the headlight housing with the lid. En‐

sure that the lid engages.

LED headlights

Comply with the safety notes, see page 323.

All lights use LED technology.

In the event of a fault, contact a Service Partner

of the manufacturer or another qualified Service

Partner or a specialist workshop.

1

2

3

4

5

Turn indicator

Reversing light

Rear fog light

Tail light

Adaptive LED headlights

Comply with the safety notes, see page 323.

All lights use LED technology.

Brake light/tail light

In the event of a fault, contact a Service Partner

of the manufacturer or another qualified Service

Partner or a specialist workshop.

Outer rear lights, replacing the

bulbs

General

LED fog light

Comply with the safety notes, see page 323.

Brake light/tail light: 21-watt bulb, P21W.

Turn indicator: 21 watt bulb, P21W.

Comply with the safety notes, see page 323.

The LED fog lights use LED technology.

In the event of a fault, contact a Service Partner

of the manufacturer or another qualified Service

Partner or a specialist workshop.

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Removing the outer rear light

Remove bulb holder from rear light, arrow 2.

1. Open the tailgate.

2. Use the screwdriver from the on-board tool

kit, see page 322, to loosen the attachment,

arrow 1.

Remove the cover, arrow 2.

2. Press the faulty bulb gently into the fitting,

turn anticlockwise and remove.

▷ Upper bulb: turn indicator

▷ Lower bulb: brake light

3. To insert the new bulb and attach the bulb

holder, proceed in the opposite sequence.

Ensure that the bulb holder engages in all

fastenings.

3. Remove the nut, arrow 1, and loosen the

screw, arrow 2. To unscrew, it is possible to

use the handle of the screwdriver from the

on-board tool kit.

Installing rear light

1. Connect the plug, arrow 1, and fit the cables

to the rear light.

4. Carefully remove the rear light from the body

by pulling it forwards, arrow 3. Make sure that

cables are not damaged.

5. Pull plug off bulb holder by disconnecting ca‐

bles from rear light.

2. Position the rear light with the ball pin, ar‐

row 2, on the mounting point on the body,

push it onto the threaded pin, and engage.

Replacing the bulbs

3. Press the rear light flush upwards and tighten

the screw. Then tighten the nut.

1. Unscrew the three fastenings, arrows 1, on

bulb holder.

4. Install cover. Make sure that the plastic tabs

of the cover are correctly seated in the corre‐

sponding recesses of the body.

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Changing bulbs

Lights in the tailgate

1. Remove the bulb holder, arrows, from the

light.

General

Comply with the safety notes, see page 323.

5-watt bulb, W5W

Access to the light

1. Open the tailgate.

2. Pull out cover on handle recess, see arrow.

2. Pull the defective bulb out of the socket.

3. To insert the new bulb and attach the bulb

holder, proceed in the opposite sequence.

Ensure that the bulb holder engages.

Installing the light

1. Insert the light in the open tailgate. Make sure

that the trim is resting correctly against the

tailgate trim panel.

Removing the light

1. Unscrew the screw, arrow 1. To unscrew, it is

possible to use the handle of the screwdriver

from the on-board tool kit, see page 322.

2. Position the screw on the bolt and tighten.

3. Insert the plug into the light.

Vehicle battery

General

The battery is maintenance-free.

More information regarding the battery can be

obtained from a Service Partner of the manufac‐

turer or another qualified Service Partner or a

specialist workshop.

2. Pull the plug from the light, arrow 2.

3. Carefully detach the rear light from the body.

Safety notes

DANGER

Touching live components can result in an

electric shock. There is a risk of injury or even

death. Do not touch any components that

could be live.

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Symbol

Meaning

WARNING

No direct sunlight, no frost.

Vehicle batteries that are classified as unsuita‐

ble may damage systems or result in functions

no longer being carried out. There is a risk of

injury or material damage. Only use vehicle bat‐

teries that have been classified as suitable by

the vehicle manufacturer.

Follow the user manual.

Explosive gas mixture. Do not

seal any openings on the bat‐

tery.

Registering the battery with the

vehicle

Replacing the battery

General

The manufacturer of the vehicle recommends

only having the vehicle battery replaced by a

Service Partner of the manufacturer or another

qualified Service Partner or an authorised work‐

shop. If the battery is not replaced correctly, the

vehicle may not recognise it properly and perfect

functioning cannot be guaranteed.

The manufacturer of the vehicle recommends

having a Service Partner of the manufacturer or

another qualified Service Partner or an author‐

ised workshop register the vehicle battery with

the vehicle after the battery has been replaced.

Once the battery has been registered again, all

comfort functions will be available without re‐

striction and any Check Control messages relat‐

ing to the comfort functions will no longer be dis‐

played.

Notes on removal

Hazard symbols

Observe the following notes on removing the ve‐

hicle battery:

The following hazard symbols can be found on

the vehicle battery:

▷ Park the vehicle and switch off consumers.

Symbol

Meaning

▷ First disconnect the power at the negative

terminal. Then disconnect the power at the

positive terminal.

No smoking, no naked flames,

no sparks.

Wear protective goggles.

Keep away from children.

Notes on installation

Observe the following notes on installing the ve‐

hicle battery:

▷ Remove any foreign bodies from the battery

holder.

Risk of acid burns: wear gloves,

do not tilt the battery.

▷ Only install the battery in the intended posi‐

tion in the vehicle.

▷ Keep the battery and vehicle connection con‐

tacts clean.

Rinse any splashes of acid with

water immediately. If acid comes

into contact with eyes or is swal‐

lowed, seek medical attention

immediately.

▷ First connect the power at the positive termi‐

nal. Then connect the power at the negative

terminal.

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▷ Use the connections, connectors and covers

provided.

Charging the battery

Only charge the battery via the jump-starting

connections, see page 337, in the engine com‐

partment and with the engine switched off.

▷ Connect a hose to the gas outlet opening if

necessary.

Initial operation

Power failure

The battery is operational. No special precau‐

tions are required for start-up.

Following an electrical power failure, some

equipment will have to be reinitialised or individ‐

ual settings will need to be updated, for example:

Charging the battery

General

Ensure the battery is sufficiently charged to

guarantee the entire lifetime of the battery.

▷ With memory function: save positions again.

▷ Time: update.

▷ Date: update.

▷ Glass sunroof: initialise system.

Charge the battery under the following situations:

Storing the battery

Observe the following information on storing ve‐

hicle batteries:

▷ If the inspection glass on the top of the bat‐

tery is black.

▷ If there is insufficient starting power.

▷ Store the battery in a cool and dry place.

The following conditions can have a negative ef‐

fect on battery performance:

▷ Protect the battery from direct sunlight and

frost.

▷ Frequently driving short distances.

▷ Only clean the battery with a damp, anti-static

cloth.

▷ If the vehicle is not used for a period of one

month or longer.

▷ Store the battery upright and secure it

against falling over.

Safety note

▷ Install the oldest batteries first.

▷ Do not remove the protective cap from the

contacts.

NOTE

Battery chargers for the vehicle battery may

operate with high voltages and high currents

which can overload or damage the 12-volt on-

board network. There is a risk of material dam‐

age. Only connect battery chargers for the ve‐

hicle battery to the starting aid terminals in the

engine compartment.

▷ Charge or install the battery by the date on

the battery label at the latest. Once fully

charged, the battery will work for another

10 months.

Disposing of the old battery

Dispose of old batteries at a Service

Partner of the manufacturer or another

qualified Service Partner or a specialist

workshop or hand them in to an authorised col‐

lecting point.

Battery charger

Battery chargers developed especially for the ve‐

hicle and suitable for the on-board network can

be obtained from a Service Partner of the manu‐

facturer or another qualified Service Partner or a

specialist workshop.

Batteries filled with acid should be transported

upright. Protect batteries against falling over

when in transit.

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Warranty

Replacing fuses

See the vehicle purchase contract for informa‐

tion on the battery warranty.

The vehicle manufacturer recommends having

fuses changed by a Service Partner of the manu‐

facturer or another qualified Service Partner or a

specialist workshop.

Fuses

General

The fuses are located at different positions in the

vehicle.

Safety note

WARNING

Incorrect or repaired fuses can overload electri‐

cal cables and components. There is a risk of

fire. Do not repair blown fuses or replace them

with fuses with a different colour or amp rating.

In the glove compartment

The fuses are located behind a cover in the glove

compartment on the passenger's side.

Press the mount down, arrow 1, and take off the

cover, arrow 2.

Information on the fuse assignments, as well as

the positions of any other fuse boxes, is available

on the Internet:

Where applicable, information on the fuse types

and locations is also found on a separate sheet in

the fuse box.

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MOBILITY -> Replacing parts for Your BMW 1 Series 4 Door Third Generation (2019-2024)

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