BMW F48 User manual
Technical�training.
Product�information.
BMW�Service
F48�Driver�Assistance�Systems
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�a�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:�conceptinfo@bmw.de
©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
F48�Driver�Assistance�Systems
Contents
1. Introduction.............................................................................................................................................................................................................................................1
2. KAFAS................................................................................................................................................................................................................................................................2
2.1. Person�recognition...............................................................................................................................................................................................2
2.2. Functional�limitations.......................................................................................................................................................................................5
2.3. System�wiring�diagram................................................................................................................................................................................. 6
3. Road�Sign�Recognition......................................................................................................................................................................................................8
3.1. Operation.............................................................................................................................................................................................................................8
3.2. Function................................................................................................................................................................................................................................ 8
3.2.1. Road�sign�recognition�with�navigation�system...................................................................... 9
3.3. Limits�of�the�system..................................................................................................................................................................................... 11
4. Camera-based�Collision�Warning..............................................................................................................................................................12
4.1. Collision�warning�with�city�braking�function........................................................................................................... 12
4.1.1. Functional�principle...................................................................................................................................................... 12
4.1.2. Early�warning.......................................................................................................................................................................... 13
4.1.3. Acute�warning....................................................................................................................................................................... 13
4.1.4. Braking�function.................................................................................................................................................................14
4.2. Pedestrian�warning�with�city�braking�function.................................................................................................... 15
4.3. Warnings�in�the�instrument�cluster.......................................................................................................................................17
4.4. Operation........................................................................................................................................................................................................................ 17
4.5. Displays............................................................................................................................................................................................................................. 19
4.6. Limits�of�the�system..................................................................................................................................................................................... 20
4.7. System�wiring�diagram............................................................................................................................................................................. 21
5. Park�Distance�Control.....................................................................................................................................................................................................23
5.1. System�wiring�diagram............................................................................................................................................................................. 24
5.2. Operation........................................................................................................................................................................................................................ 25
5.2.1. Deactivation�criteria......................................................................................................................................................26
5.3. Auto�PDC....................................................................................................................................................................................................................... 26
6. Parking�Maneuver�Assistant............................................................................................................................................................................... 28
6.1. Introduction................................................................................................................................................................................................................. 28
6.2. System�components.................................................................................................................................................................................... 29
6.3. System�wiring�diagram............................................................................................................................................................................. 30
6.4. Control�unit..................................................................................................................................................................................................................32
7. Rear�View�Camera.................................................................................................................................................................................................................. 33
7.1. System�components.................................................................................................................................................................................... 33
7.2. System�wiring�diagram............................................................................................................................................................................. 34
F48�Driver�Assistance�Systems
Contents
8. Cruise�Control................................................................................................................................................................................................................................36
8.1. Introduction................................................................................................................................................................................................................. 36
8.2. Cruise�control�with�braking�function...................................................................................................................................36
8.3. Camera-based�cruise�control�with�Stop&Go�function............................................................................ 37
8.3.1. KAFAS�camera.....................................................................................................................................................................38
8.3.2. Control�function..................................................................................................................................................................39
8.3.3. Display............................................................................................................................................................................................... 40
8.3.4. Operation.......................................................................................................................................................................................40
8.3.5. System�wiring�diagram............................................................................................................................................42
F48�Driver�Assistance�Systems
1.�Introduction
1
The�assistance�systems�facilitate�driving�of�the�vehicle�by:
• providing�the�driver�with�information
• giving�the�driver�suggestions�or
• automatically�intervening�in�the�driving�process.
This�product�information�bulletin�provides�an�overview�of�the�assistance�systems�which�are�new�or
whose�function�has�been�modified:
• Collision�warning�with�city�braking�function
• Pedestrian�warning�with�city�braking�function
• Road�sign�recognition�including�no�overtaking�display
• Park�Distance�Control
• Parking�Maneuver�Assistant
• Rear�view�camera
• Cruise�control
In�the�F48,�a�lot�of�the�optional�equipment�known�from�other�BMW�models�is�still�only�available�in
conjunction�with�optional�equipment�packages�Driving�Assistant�(SA�5AS)�or�Driving�Assistant�Plus
(SA�5AT).�The�following�table�shows�which�systems�are�included�in�the�different�optional�equipment
packages:
System Driving�Assistant
(SA5AS)
Driving�Assistant
Plus�(SA�5AT)
Standard
equipment
High-beam�assistant X X
Lane�departure�warning X X
Road�sign�recognition X X
Collision�warning�with�city
braking�function
X X X
Pedestrian�warning�with
city�braking�function
X X
Active�Cruise�Control X
The�optional�equipment�package�Driving�Assistant�(SA�5AS)�is�an�element�of�the�optional�equipment
package�Driving�Assistant�Plus�(SA�5AT).
F48�Driver�Assistance�Systems
2.�KAFAS
2
The�recognition�of�road�users�driving�ahead�and�the�detection�of�pedestrians�are�among�the�most
important�functions�to�be�satisfied�by�assistance�systems.�This�function�must�be�satisfied�at�both�long
distance�and�close�range.�The�functions�in�the�F48�have�been�implemented�in�optionally�available
combinations�as�camera-based�systems�using�a�shared�camera�and�shared�control�unit.
The�KAFAS�camera�and�KAFAS�control�unit�therefore�constitute�the�central�element�of�the�following
assistance�systems:
• Collision�warning�with�city�braking�function
• Pedestrian�warning�with�city�braking�function
• Road�sign�recognition
• Lane�departure�warning
• Camera-based�cruise�control
2.1.�Person�recognition
F48�Detection�range�of�KAFAS�camera
The�person�recognition�in�the�F48�only�takes�place�with�the�help�of�the�camera-based�driver�support
system.�A�radar�sensor�is�not�offered�in�the�F48,�unlike�in�other�BMW�models.
F48�Driver�Assistance�Systems
2.�KAFAS
3
F48�KAFAS�camera
Index Explanation
1 KAFAS�camera
2 Rain‐light‐solar-condensation�sensor
3 Photosensor�for�electrochromic�interior�mirror
F48�KAFAS�control�unit
F48�Driver�Assistance�Systems
2.�KAFAS
4
F48�Image�transmission�via�LVDS�data�line
Index Explanation
1 KAFAS�control�unit
2 KAFAS�camera
The�KAFAS�camera�captures�the�scene�in�front�of�the�vehicle�and�detects�entire�rear�views�of�moving
and�stationary�vehicles�in�the�field�of�view�using�machine�vision.�The�KAFAS�camera�also�ensures�that
driving�lane�information,�vehicle�positions�and�movements�are�determined�at�the�same�time.
With�the�aid�of�the�image�data�from�the�KAFAS�camera,�objects�can�be�clearly�identified�as�vehicles
and�corresponding�transverse�movements�as�lane�changes.
F48�Driver�Assistance�Systems
2.�KAFAS
5
2.2.�Functional�limitations
Example�of�functional�limitation�by�backlight
The�function�of�the�KAFAS�camera�and�thus�also�the�function�of�the�corresponding�assistance
systems�may�be�impaired�in�the�following�situations,�for�example:
• heavy�fog,�rain,�rain�spray�or�snow
• strong�backlight
• if�the�field�of�view�of�the�KAFAS�camera�or�the�windscreen�is�dirty�or�covered
• at�sharp�bends
• up�to�10�seconds�after�the�engine�start�via�the�START-STOP�button
• during�the�calibration�process�for�the�KAFAS�camera�immediately�after
vehicle�delivery�or�a�camera�change
F48�Driver�Assistance�Systems
2.�KAFAS
6
2.3.�System�wiring�diagram
F48�system�wiring�diagram�for�KAFAS
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