2.1 Preparation
Print out the error memory.
Disconnect the battery.
Remove the door sill strips on the right-hand side.
Remove the bottom A pillar trim on the right-hand side.
Remove the glove box.
Remove the footwell trim on the right-hand side.
Remove the air guide in front of the module holder.
Remove the B pillar trims on the right-hand side.
Remove the front passenger seat.
Remove the cable covers in the right-hand sill area.
Remove the backrest side section on the right-hand side and the rear seat bench.
Remove the boot cover.
Remove the spare wheel.
Remove the wheel wrench mounting.
Remove the cover from the electrics box in the engine compartment.
Remove the air filter casing.
Remove the halogen headlights and holders.
Remove the wheels at the front right and rear right.
Only on cars without a standard navigation system (see section 1) or on US cars:
Remove the A pillar trim on the left-and side.
Remove the cover for the pedals and steering column.
2-6/EN
2-36/EN
2.4 Connection overview of the xenon wiring harness (ECE cars only)
Fold out folded page 2-43
Item Description Cable colour Connection location in the car Abbreviation /
Slot
A26-pin plug (Bordeaux) - Con. mod. for autom. headlight adjust. cont. sys. X991
B1Triple joint connector - Connector box behind the glove box X10466*
B2Joint connector contact white/red/yellow K-bus connector behind the glove box X10116
C1Triple joint connector - Connector box behind the glove box X1608*
C2Joint connector contact brown/black Terminal 31 connector behind the glove box X596
DBlade terminal contact yellow/red 54-pin plug on light module on passenger side X10117/27
ECable blue/red 54-pin plug on light module on passenger side X10117/25**
F10-pin plug (black) - Connect to branch G X1S*
G10-pin plug (black) - Connect to branch F X1B*
HCable grommet - Cable passage to boot -
I6-pin plug (black) - Level sensor at rear right X1451
I1Blade terminal contact grey/white Level sensor at rear right X1451/2
I2Blade terminal contact grey/brown Level sensor at rear right X1451/3
I3Blade terminal contact grey/green Level sensor at rear right X1451/6
JBlade terminal contact yellow /white
ABS/DSC cont. mod. in the engine compart., front leftX1170/18***
K6-pin plug (black) - Level sensor at front right X10275
K1Blade terminal contact black/white Level sensor at front right X10275/2
K2Blade terminal contact black/grey Level sensor at front right X10275/3
K3Blade terminal contact black/green Level sensor at front right X10275/6
Branch E(marked "**") is to be connected to the cable in the car using a double connector.
Branch J(marked "***") is to be connected to plug X1310S at the rear left of the boot on cars with optional
equipment wiring harness from level 2 (see section 1). See section 2.5-G.
The components marked ”*” are only used for this retrofit kit, all other components refer to the application
of the BMW dealer organisation.
Eight cables must be disconnected from the light module C (X10117, 54-pin, black) and fitted with new contacts.
With casing X1B* (branch G), these then provide the connector for branch F(see section 2.5-D).
2.5 To install the xenon wiring harness (ECE cars only)
The xenon wiring harness is to be secured using cable ties.
Ensure that cables and other lines are not kinked or damaged when they are being installed in the car and that
they do not impair the freedom of movement of other components.
If the specified pins or chambers are already in use, bridges, double crimps or parallel end stops are to be
used.
Fold out folded page 2-77.
A
Overview of connection points
Branch A(X991, 26-pin plug, Bordeaux) is to be connected to the control module for the automatic headlight
adjustment control system on the module holder behind the glove box.
Branch B1(triple joint connector X10466*) is to be fitted in the connector box behind the glove box.
Branch B2(white/red/yellow cable) is to be connected to the K-BUS terminal connector (X10116) behind the glove
box.
Branch C1(triple joint connector X1608*) is to be fitted in the connector box behind the glove box.
Branch C2(brown/black cable) is to be connected to the terminal 31 connector (X596) behind the glove box.
Branch D(yellow/red cable) is to be connected to slot 27 in the light module (X10117, 54-pin, black) on the A pillar
on the passenger side.
Branch E(blue/red cable) is to be connected to the blue/red cable from pin 25 on the light module (X10117,
54-pin, black) using a double mini connector.
Branch Fis to be placed next to the light module on the A pillar on the passenger side.
Eight cables must be disconnected from the light module (X10117, 54-pin, black) and fitted with new contacts.
With casing X1B* (branch G), these then provide the connector for branch F(see section 2.5-D).
The rubber grommet His used to seal the cable passage on the floor of the boot.
Cable I1, grey/white cable, is to be connected to slot 2 of branch I(X1451, 6-pin, black), cable I2, grey/brown
cable, to slot 3 and cable I3, grey/green cable, to slot 6. Any cables in the car for the level sensor are to be
repinned (see section 2.5-F). Branch Iis then to be connected to the level sensor at the rear right.
Branch J(yellow/white cable) is to be connected to slot 18 of the ABS/DSC control module in the front left of the
engine compartment in cars with an optional equipment wiring harness up to level 2. In cars with an optional
equipment wiring harness above level 2, there is a yellow/white cable in the boot at the rear left on the 6-pin plug
X1310S on slot 2, which comes from the ABS/DSC control module, slot 18. Connect branch J(yellow/white cable)
to this cable using a double mini connector.
Cable K1, black/white cable, is to be connected to slot 2 of branch K(X10275, 6-pin, black), cable K2, black/grey
cable, to slot 3 and cable K3, black/green cable, to slot 6. Any cables in the car for the air suspension are to be
repinned (see section 2.5-F). Branch Kis then to be connected to the level sensor at the front right.
B
Connect the control module for the automatic headlight adjustment control system (1) to the module holder behind
the glove box. Connect branch A(X991, 26-pin plug, Bordeaux) to the control module for the automatic headlight
adjustment control system (1) and secure it. The xenon wiring harness goes to the right and splits near the A pillar.
Branches B1to I3go downwards along the vehicle wiring harness, branches B1to C2then go to the
connector box (2). Branches Jto K3go upwards along the vehicle wiring harness.
C
Release the connector box (2) and swing it forwards.
Unclip the K bus multiple connector (X10116, white/red/yellow cables) (3) and terminal 31 multiple connector
(X596, brown/black cables) (4).
If there are any unoccupied slots in the multiple connectors X10116 (3) and X596 (4), connect branches B2,
white/red/yellow cable, and C2, brown/black cable, to the corresponding cable colours.
The procedure if all the slots are occupied is described for multiple connector X10116 (3). If necessary
proceed accordingly for multiple connector X596 (4).
Disconnect a white/red/yellow cable from multiple connector X10116 (3) and connect it to the triple connector
X10466* (B1). Connect branch B2, white/red/yellow cable, to the now unoccupied slot on multiple connector
X10116 (3).
Clip multiple connectors X10116 (3), X10466* (B1), X596 (4) and X1608* (C1) into the connector box (2) and mount
the connector box (2) on the module holder.
EN/2-49
EN/2-81
2.6 Connection overview of the xenon wiring harness (ECE cars only)
Fold out folded page 2-95
Item Description Cable colour Connection location in the car Abbreviation /
Slot
A26-pin plug (Bordeaux) - Con. mod. for autom. headlight adjust. cont. sys. X991
B1Triple joint connector - Connector box behind the glove box X10466*
B2Joint connector contact white/red/yellow K-bus connector behind the glove box X10116
C1Triple joint connector - Connector box behind the glove box X1608*
C2Joint connector contact brown/black Terminal 31 connector behind the glove box X596
DBlade terminal contact yellow/red 54-pin plug on light module on passenger side X10117/27
EBlade terminal contact blue/red 54-pin plug on light module on passenger side X10117/25**
FCable grommet - Cable passage to boot -
G6-pin plug (black) - Level sensor at rear right X1451
G1Blade terminal contact grey/white Level sensor at rear right X1451/2
G2Blade terminal contact grey/brown Level sensor at rear right X1451/3
G3Blade terminal contact grey/green Level sensor at rear right X1451/6
H4-pin plug (natural) - Servo motor for left headlight X1034
H1Blade terminal contact yellow/red Servo motor for left headlight X1034/1
H2Blade terminal contact yellow/brown Servo motor for left headlight X1034/2
H3Blade terminal contact blue/red Servo motor for left headlight X1034/3
H4Blade terminal contact blue/brown Servo motor for left headlight X1034/4
IBlade terminal contact yellow/white
ABS/DSC cont. mod. in the engine compart., front leftX1170/18***
J6-pin plug (black) - Level sensor at front right X10275
J1Blade terminal contact black/white Level sensor at front right X10275/2
J2Blade terminal contact black/grey Level sensor at front right X10275/3
J3Blade terminal contact black/grey Level sensor at front right X10275/6
K4-pin plug (natural) - Servo motor for right headlight X1035
K1Blade terminal contact yellow/black Servo motor for right headlight X1035/1
K2Blade terminal contact yellow/brown Servo motor for right headlight X1035/2
K3Blade terminal contact blue/black Servo motor for right headlight X1035/3
K4Blade terminal contact blue/brown Servo motor for right headlight X1035/4
2.7 To install the xenon wiring harness (US cars only)
The xenon wiring harness is to be secured using cable ties.
Ensure that cables and other lines are not kinked or damaged when they are being installed in the car and that
they do not impair the freedom of movement of other components.
If the specified pins or chambers are already in use, bridges, double crimps or parallel end stops are to be
used.
Fold out folded page 2-129
A
Overview of connection points
Branch A(X991, 26-pin plug, Bordeaux) is to be connected to the control module for the automatic headlight
adjustment control system on the module holder behind the glove box.
Branch B1(triple joint connector X10466*) is to be fitted in the connector box behind the glove box.
Branch B2(white/red/yellow cable) is to be connected to the K-BUS terminal connector (X10116) behind the glove
box.
Branch C1(triple joint connector X1608*) is to be fitted in the connector box behind the glove box.
Branch C2(brown/black cable) is to be connected to the terminal 31 connector (X596) behind the glove box.
Branch D(yellow/red cable) is to be connected to slot 27 in the light module (X10117, 54-pin, black) on the A pillar
on the passenger side.
Branch E(blue/red cable) is to be connected to the blue/red cable from pin 25 on the light module (X10117,
54-pin, black) using a double mini connector.
The rubber grommet (F) is used to seal the cable passage on the floor of the boot.
Cable G1, grey/white cable, is to be connected to slot 2 of branch G(X1451, 6-pin, black), cable G2, grey/brown
cable, to slot 3 and cable G3, grey/green cable, to slot 6. Any cables in the car for the level sensor are to be
repinned (see section 2.7-F). Branch Gis then to be connected to the level sensor at the rear right.
Cable H1, yellow/red cable, is to be connected to slot 1 of branch H(X1034, 4-pin, natural), cable H2,
yellow/brown cable, to slot 2, cable H3, blue/red cable, to slot 3 and cable H4, blue/brown cable, to slot 4. Branch
His to be connected to the servo motor on the left Xenon headlight.
Branch I(yellow/white cable) is to be connected to slot 18 of the ABS/DSC control module in the front left of the
engine compartment in cars with an optional equipment wiring harness up to level 2. In cars with an optional
equipment wiring harness above level 2, there is a yellow/white cable in the boot at the rear left on the 6-pin plug
X1310S on slot 2, which comes from the ABS/DSC control module, slot 18. Connect branch I(yellow/white cable)
to this cable using a double mini connector.
Cable J1, black/white cable, is to be connected to slot 2 of branch J (X10275, 6-pin, black), cable J2, black/grey
cable, to slot 3 and cable J3, black/green cable, to slot 6. Any cables in the car for the air suspension are to be
repinned (see section 2.7-F). Branch Jis then to be connected to the level sensor at the front right.
Cable K1, yellow/black cable, is to be connected to slot 1 of branch K (X1035, 4-pin, natural), cable K2,
yellow/brown cable, to slot 2, cable K3, blue/black cable, to slot 3 and cable K4, blue/brown cable, to slot 4.
Branch Kis to be connected to the servo motor on the right Xenon headlight.
B
Connect the control module for the automatic headlight adjustment control system (1) to the module holder behind
the glove box. Connect branch A(X991, 26-pin plug, Bordeaux) to the control module for the automatic headlight
adjustment control system (1) and secure it. The xenon wiring harness goes to the right and splits near the A pillar.
Branches B1to G3go downwards along the vehicle wiring harness, branches B1to C2then go to the
connector box (2).
Branches Hto K4go upwards along the vehicle wiring harness.
C
Release the connector box (2) and swing it forwards.
Unclip the Kbus multiple connector (X10116, white/red/yellow cables) (3) and terminal 31 multiple connector
(X596, brown/black cables) (4).
If there are any unoccupied slots in the multiple connectors X10116 (3) and X596 (4), connect branches B2,
white/red/yellow cable, and C2, brown/black cable, to the corresponding cable colours.
The procedure if all the slots are occupied is described for multiple connector X10116 (3). If necessary
proceed accordingly for multiple connector X596 (4).
Disconnect a white/red/yellow cable from multiple connector X10116 (3) and connect it to the triple connector
X10466* (B1). Connect branch B2, white/red/yellow cable, to the now unoccupied slot on multiple connector
X10116 (3).
EN/2-101