BMW G12 2015 Installation guide

Technical�training.
Product�information.
BMW�Service
G12�General�Vehicle�Electronics

General�information
Symbols�used
The�following�symbol�is�used�in�this�document�to�facilitate�better�comprehension�or�to�draw�attention
to�very�important�information:
Contains�important�safety�information�and�information�that�needs�to�be�observed�strictly�in�order�to
guarantee�the�smooth�operation�of�the�system.
Information�status�and�national-market�versions
BMW�Group�vehicles�meet�the�requirements�of�the�highest�safety�and�quality�standards.�Changes
in�requirements�for�environmental�protection,�customer�benefits�and�design�render�necessary
continuous�development�of�systems�and�components.�Consequently,�there�may�be�discrepancies
between�the�contents�of�this�document�and�the�vehicles�available�in�the�training�course.
This�document�basically�relates�to�the�European�version�of�left�hand�drive�vehicles.�Some�operating
elements�or�components�are�arranged�differently�in�right-hand�drive�vehicles�than�shown�in�the
graphics�in�this�document.�Further�differences�may�arise�as�the�result�of�the�equipment�specification�in
specific�markets�or�countries.
Additional�sources�of�information
Further�information�on�the�individual�topics�can�be�found�in�the�following:
• Owner's�Handbook
• Integrated�Service�Technical�Application.
Contact:�[e-mail]
©2015�BMW�AG,�Munich
Reprints�of�this�publication�or�its�parts�require�the�written�approval�of�BMW�AG,�Munich
The�information�contained�in�this�document�forms�an�integral�part�of�the�technical�training�of�the
BMW�Group�and�is�intended�for�the�trainer�and�participants�in�the�seminar.�Refer�to�the�latest�relevant
information�systems�of�the�BMW�Group�for�any�changes/additions�to�the�technical�data.
Information�status:�June�2015
BV-72/Technical�Training

G12�General�Vehicle�Electronics
Contents
1. Exterior�Lights....................................................................................................................................................................................................................................1
1.1. System�wiring�diagram................................................................................................................................................................................. 2
1.2. Lighting,�front...............................................................................................................................................................................................................5
1.2.1. Adaptive�LED�Headlight............................................................................................................................................ 6
1.2.2. Icon�Adaptive�LED�Headlight............................................................................................................................ 7
1.3. Lighting,�rear................................................................................................................................................................................................................. 8
1.4. High-beam�assistant.........................................................................................................................................................................................9
1.4.1. System�wiring�diagram............................................................................................................................................10
1.5. Exterior�light�staging.................................................................................................................................................................................... 10
1.5.1. System�wiring�diagram............................................................................................................................................11
1.5.2. Ground�lights.......................................................................................................................................................................... 12
1.5.3. Light�carpet............................................................................................................................................................................... 13
2. Interior�Lights................................................................................................................................................................................................................................. 14
2.1. Basic.......................................................................................................................................................................................................................................14
2.1.1. System�wiring�diagram............................................................................................................................................14
2.2. Ambient�lighting.................................................................................................................................................................................................. 16
2.2.1. System�wiring�diagram............................................................................................................................................17
2.3. Light�Effect�Manager...................................................................................................................................................................................19
2.3.1. System�wiring�diagram............................................................................................................................................20
2.3.2. System�components...................................................................................................................................................22
3. Washer/wiper�System...................................................................................................................................................................................................... 25
3.1. System�wiring�diagram............................................................................................................................................................................. 25
4. Locking�and�Security�Functions..................................................................................................................................................................27
4.1. Comfort�Access................................................................................................................................................................................................... 27
4.1.1. System�wiring�diagram............................................................................................................................................27
4.2. Central�locking�system............................................................................................................................................................................. 29
4.2.1. System�wiring�diagram............................................................................................................................................29
4.2.2. Function.......................................................................................................................................................................................... 30
4.3. Automatic�operation�of�tailgate...................................................................................................................................................31
4.3.1. System�wiring�diagram............................................................................................................................................31
4.4. Automatic�Soft�Close�system........................................................................................................................................................33
4.4.1. System�wiring�diagram............................................................................................................................................33
5. Alarm�System..................................................................................................................................................................................................................................35
5.1. System�wiring�diagram............................................................................................................................................................................. 35
6. Power�Window�Regulator......................................................................................................................................................................................... 37
6.1. System�wiring�diagram............................................................................................................................................................................. 37

G12�General�Vehicle�Electronics
Contents
7. Slide/Tilt�Sunroof.................................................................................................................................................................................................................... 39
7.1. System�wiring�diagram............................................................................................................................................................................. 39
8. Roller�Sunblind.............................................................................................................................................................................................................................41
8.1. System�wiring�diagram............................................................................................................................................................................. 41
9. Steering�Column�Switch�Cluster.................................................................................................................................................................43
9.1. System�wiring�diagram............................................................................................................................................................................. 43
10. Steering�Column�Adjustment............................................................................................................................................................................45
10.1. System�wiring�diagram............................................................................................................................................................................. 45
11. Exterior�Mirrors............................................................................................................................................................................................................................47
11.1. Exterior�mirror,�basic�version...........................................................................................................................................................47
11.1.1. System�wiring�diagram............................................................................................................................................47
11.2. Exterior�mirror�High........................................................................................................................................................................................49
11.2.1. System�wiring�diagram............................................................................................................................................49
12. Inside�Mirror...................................................................................................................................................................................................................................... 51
12.1. System�wiring�diagram............................................................................................................................................................................. 51
13. Seats................................................................................................................................................................................................................................................................ 52
13.1. Front�seats................................................................................................................................................................................................................... 52
13.1.1. Memory�seat,�front,�driver's�side............................................................................................................ 52
13.1.2. Memory�seat,�front,�passenger's�side.............................................................................................54
13.1.3. Multifunction�seat,�front,�driver's�side.............................................................................................56
13.1.4. Multifunction�seat,�front,�passenger's�side.............................................................................58
13.2. Rear�seats......................................................................................................................................................................................................................60
13.2.1. Seat�heating,�basic�seat,�rear�passenger�compartment..................................... 60
13.2.2. Comfort�seat,�rear�passenger�compartment,�driver's�side..............................62
13.2.3. Comfort�seat,�rear�passenger�compartment,�passenger's�side.............. 64
13.3. Captain's�Chair...................................................................................................................................................................................................... 65
13.4. Massage........................................................................................................................................................................................................................... 68
13.4.1. Seat�massage,�both�front�seats................................................................................................................69
13.4.2. Seat�massage,�rear�passenger�compartment,�and�massage,
front........................................................................................................................................................................................................71
13.5. Heated�armrests..................................................................................................................................................................................................72
13.5.1. System�wiring�diagram............................................................................................................................................73
13.6. BMW�Vitality�Program................................................................................................................................................................................74
14. Horn................................................................................................................................................................................................................................................................... 75
14.1. System�wiring�diagram............................................................................................................................................................................. 75

G12�General�Vehicle�Electronics
1.�Exterior�Lights
1
The�following�exterior�light�versions�are�offered�in�the�G12:
• Adaptive�LED�Headlights�(SA�ZAL)
• Icon�Adaptive�LED�headlights�(SA552)

G12�General�Vehicle�Electronics
1.�Exterior�Lights
2
1.1.�System�wiring�diagram
Front�exterior�lights

G12�General�Vehicle�Electronics
1.�Exterior�Lights
3
Index Explanation
1 Left�fog�light
2 Right�fog�light
3 Left�headlight�with�Front�Light�Electronics�Left�(FLEL)
4 Right�headlight�with�Front�Light�Electronics�Right�(FLER)
5 Fuses�in�the�power�distribution�box,�front�right
6 Body�Domain�Controller�(BDC)
7 Fuse�in�the�Body�Domain�Controller
8 Turn�indicator�in�exterior�mirror,�right
9 CAN�terminator
10 Fuse�in�the�power�distribution�box,�rear�right
11 Fuse�in�the�power�distribution�box,�battery
12 Ride-height�sensor,�rear�left
13 Turn�indicator�in�exterior�mirror,�left
14 Light�switch
15 Steering�column�switch�cluster�(SZL)
16 Hazard�warning�switch/Intelligent�Safety�button
17 Rain-light-solar-condensation�sensor�(RLSBS)
18 Ride�height�sensor,�front�left

G12�General�Vehicle�Electronics
1.�Exterior�Lights
4
Rear�exterior�lights

G12�General�Vehicle�Electronics
1.�Exterior�Lights
5
Index Explanation
1 Digital�Motor�Electronics�(DME)
2 Electronic�transmission�control�(EGS)
3 CAN�terminator
4 Fuses�in�the�power�distribution�box,�front�right
5 Body�Domain�Controller�(BDC)
6 Fuse�in�the�Body�Domain�Controller
7 Rear�light�cluster,�right�outer
8 Rear�light�cluster,�right�inner
9 License�plate�light,�right
10 License�plate�light,�left
11 Rear�light�cluster,�left�inner
12 Rear�light�cluster,�left�outer
13 License�plate�light�strip�with�button�for�tailgate
14 Fuse�in�the�power�distribution�box,�battery
15 Additional�brake�light
16 Interference�suppression�filter
17 Light�switch
18 Hazard�warning�switch/Intelligent�Safety�button
19 Steering�column�switch�cluster�(SZL)
20 Rain-light-solar-condensation�sensor�(RLSBS)
21 Brake�light�switch
1.2.�Lighting,�front
Headlight�versions�for�G12:
Headlight�versions
Index Explanation
1 Adaptive�LED�Headlight
2 Icon�Adaptive�LED�Headlight

G12�General�Vehicle�Electronics
1.�Exterior�Lights
6
1.2.1.�Adaptive�LED�Headlight
Basic�LED�headlights
Index Explanation
1 Cornering�light
2 Side�lights�and�daytime�running�lights
3 Low-beam�headlight/High-beam�headlight
4 Side�lights�and�daytime�running�lights
5 Low-beam�headlight/High-beam�headlight
6 Turn�indicator
7 Side�marker�light
On�the�Adaptive�LED�headlight,�the�low-beam�headlight�and�high�beam�are�located�in�the�same
reflector.

G12�General�Vehicle�Electronics
1.�Exterior�Lights
7
1.2.2.�Icon�Adaptive�LED�Headlight
Adaptive�Full�LED�Headlight
Index Explanation
1 Low-beam�headlight
2 Turn�indicator
3 Low-beam�headlight
4 Cornering�lights
5 Side�light,�daytime�running�lights
6 High-beam�headlight
7 Side�light,�daytime�running�lights
8 High-beam�headlight
9 Side�marker�light
On�the�Icon�Adaptive�LED�Headlight,�the�low�beams�have�there�own�projector�lenses�and�are�separate
from�the�high�beam.

G12�General�Vehicle�Electronics
1.�Exterior�Lights
8
1.3.�Lighting,�rear
Taillight
Index Explanation
1 Turn�indicator
2 Taillight
3 Turn�indicator
4 Rear�fog�light�(Not�for�US)
5 Rear�fog�light�(Not�for�US)
6 Reversing�light
7 Brake�light
8 Taillight

G12�General�Vehicle�Electronics
1.�Exterior�Lights
9
1.4.�High-beam�assistant
On�vehicles�with�camera-based�driver�assistance�systems�(KAFAS),�the�function�of�the�high-beam
assistant�is�performed�by�KAFAS.
On�vehicles�without�camera-based�driver�assistance�systems�(KAFAS),�the�high-beam�assistant�is
integrated�in�the�interior�mirror.
High-beam�assistant�(FLA)

G12�General�Vehicle�Electronics
1.�Exterior�Lights
10
1.4.1.�System�wiring�diagram
High-beam�assistant
Index Explanation
1 High-beam�assistant�(FLA)
2 CAN�terminator
3 Fuse�in�the�power�distribution�box,�front�right
4 Body�Domain�Controller�(BDC)
5 Fuse�in�the�Body�Domain�Controller
6 Light�switch
7 Steering�column�switch�cluster�(SZL)
8 Instrument�cluster�(KOMBI)
1.5.�Exterior�light�staging
The�exterior�light�staging�for�the�G12�may�include�the�following�items,�depending�on�the�optional
equipment:
• Ground�lights
• Light�carpet

G12�General�Vehicle�Electronics
1.�Exterior�Lights
11
1.5.1.�System�wiring�diagram
Exterior�light�staging

G12�General�Vehicle�Electronics
1.�Exterior�Lights
12
Index Explanation
1 Light�carpet,�left
2 Light�carpet,�right
3 Body�Domain�Controller�(BDC)
4 Door�entry�light�in�front�passenger�door
5 Door�entry�light�in�the�rear�passenger’s�side�door
6 Door�entry�light�in�the�rear�driver's�side�door
7 Door�entry�light�in�the�driver's�door
1.5.2.�Ground�lights
The�ground�lighting�is�integrated�in�the�corresponding�door�modules.�The�LEDs�of�the�ground�lighting
are�activated�by�the�Body�Domain�Controller�(BDC).

G12�General�Vehicle�Electronics
1.�Exterior�Lights
13
1.5.3.�Light�carpet
The�light�source�is�integrated�into�the�side�sill,�where�it�is�invisible�to�the�customer.�This�feature�can
be�in�a�very�small�installation�space�through�the�use�of�a�multi-lens�design�system.�A�very�flat�angle�of
radiation�is�also�possible.�The�graphic�is�superimposed�several�times�by�the�multi-lens�design�system
and�is�therefore�insensitive�to�dirt�contamination.�The�light�carpet�is�activated�by�the�Body�Domain
Controller�(BDC).
LEDs�in�the�side�sill
LEDs�in�the�side�sill
Light�carpet
Light�carpet

G12�General�Vehicle�Electronics
2.�Interior�Lights
14
2.1.�Basic
2.1.1.�System�wiring�diagram
Basic�interior�light

G12�General�Vehicle�Electronics
2.�Interior�Lights
15
Index Explanation
1 Footwell�light,�front�left
2 Ambient�lighting,�dashboard
3 Ambient�lighting,�dashboard
4 Ambient�lighting,�dashboard
5 Footwell�light,�front�right
6 Glove�box�light
7 Fuses�in�the�power�distribution�box,�front�right
8 Glove�box�switch
9 Body�Domain�Controller�(BDC)
10 Door�trim�panel�lighting,�passenger's�side
11 Door�entry�light,�front�passenger�side
12 Door�contact,�front�passenger�side,�front
13 Door�trim�panel�lighting,�passenger’s�side�rear
14 Door�entry�light,�passenger’s�side�rear
15 Door�contact�on�front�passenger�side,�rear
16 Fuse�in�the�power�distribution�box,�rear�right
17 Tailgate�contact�switch�in�the�tailgate�lock
18 Luggage�compartment�light
19 Interior�light,�rear�right�(on�vehicles�with�panorama�glass�roof)
20 Make-up�mirror�light,�rear�right
21 Footwell�light,�rear�right
22 Interior�light,�rear�center�(on�vehicles�without�panorama�glass�roof)
23 Make-up�mirror�light,�rear�left
24 Footwell�light,�rear�left
25 Interior�light,�rear�left�(on�vehicles�with�panorama�glass�roof)
26 Door�contact�on�driver's�side,�rear
27 Door�entry�light,�driver’s�side�rear
28 Door�trim�panel�lighting,�driver’s�side�rear
29 Door�contact,�driver's�side,�front
30 Front�interior�light
31 Door�entry�light,�driver's�side
32 Door�trim�panel�lighting,�driver’s�side
33 Switch�for�make-up�mirror,�left

G12�General�Vehicle�Electronics
2.�Interior�Lights
16
Index Explanation
34 Make-up�mirror�light,�left
35 Center�console�storage�compartment�lighting
36 Make-up�mirror�light,�right
37 Switch�for�make-up�mirror,�right
In�the�basic�interior�lighting�configuration,�the�following�interior�lights�are�connected�with�the
Body�Domain�Controller�via�LIN-bus:
• Interior�light�in�the�roof�function�center�(FZD)
• Interior�light�in�the�center�of�the�rear�passenger�compartment�on�vehicles�without
panorama�glass�roof
• Interior�lights�on�the�left�and�right�of�the�rear�passenger�compartment�on�vehicles�with
panorama�glass�roof
The�glove�box�light�is�switched�by�the�glove�box�switch.
The�luggage�compartment�light�is�switched�by�the�tailgate�contact�switch�in�the�tailgate�lock.
All�other�interior�lights�are�activated�directly�by�the�Body�Domain�Controller.
Depending�on�the�optional�equipment,�the�G12�has�different�light�elements�for�the�interior�lighting.
2.2.�Ambient�lighting
The�ambient�lighting�includes�6�predefined,�selectable�light�designs/colors.
The�light�design/color�and�brightness�can�be�selected�by�means�of�the�controller.
The�selected�design�is�displayed�on�the�CID.