Installation of the towing electrics kit must be undertakenby a specialist workshop or an appropriately qualifiedperson. Before starting work, you must read the installationinstructions through completely. After installing the towingelectrics kit, the installation instructions should be keptwith the vehicle service documentation.

All claims under the guarantee will lapse in case of improper use ormodification of the towing electrics kit or any of its component parts.When driving without a trailer or load carrier, any adapter installedmust be removed from the electrical socket. We reserve the right toalter the design, content or colour. We accept no liability for anyerrors in these instructions. All details and illustrations are non-binding.

No. 19020523BMW

7 series E65/E66 Saloon 11/01

Fitting instructions

In case of missing a rear fog lamp on the trailer, it should be retrofitted.

We accept no responsibility and give no guarantee for technical andelectrical modifications made after the initial operation of the towingelectrics kit by the vehicle manufacturer and which may lead, forexample to malfunction of the trailer socket or its peripheries.

The trailer module is not diagnostics-capable. If the manufacturer’sdiagnostics processes or software-supported test mechanismsgenerate error reports directly or indirectly linked with trailer operation,the trailer module must be disconnected from the leads to the trailersocket and a new diagnostic process initiated.

Electric wiring kit for towbars / 7-pin / 12N / 12 Volt / ISO 1724

IMP

OR

TAN

T!

87020874 / 09.08.2013 1/10

87020874 / 09.08.2013 2/10

GN

GN

b

c

No CAN-Data Standby /Sleepmode=

a

GN

RD

d

RD

CAN-Data Wire

2 x B+/30: PIN 2 + 4e

RD

Diagnosis function of control LEDs

Lamp substitution if the trailer indicators failThe failure of a trailer indicator (right left or both sides) is reported to the driver in the towing vehicle's combi-instrumentvia a text message in the display, an increase in the flashing frequency and/or a control lamp for light failurecoming on.If an indicator fails the left or right rear tail light compensates for the faulty indicator by flashing at the correct frequency!If the indicator is activated, the corresponding rear tail lamp on the trailer becomes the indicator( lamp substitution): NOTE! The lamp substitution does not work if the Hazard warning lights have beenactivated.

19-20

4-5,9-16, 21

6-8

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MANUAL

3x 10x 5x

4x

2x

2x

1

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SYMBOL EXPLANATION

Reverse

B+/30

20A

left (58-L) respectivelyright (58-R) tail light

stop light (54) /high mounted, third stop light (54)

turn signal indicator left

turn signal indicator right

rear fog light(s)

reversing light(s)

trailer / trailer recognition

Permanent current power supply

Ground or Earth (31)

ground connection battery terminal lug

positive connection battery terminal lug

fuse / fuse capacity 20 Ampère

12V

P

cigarette lighter /accessory socket

loudspeaker / buzzer

Park Distance Control

switch / source of function

Connect together

Disconnect

Look at / See further information

Look carefully at selected area

Present / Occupied / OK

Not present / Not occupied / Not OK

left

right

acoustic indication

attention / important advice

B+/30 Permanent power supply /13pin socket, chamber 9

charging wire for trailer battery /13pin socket, chamber 10

everse

90010216

Co

Co

ATTENTION!

The vehicle's cooling capacity may have to be increased when retrofitting a trailer coupling! You must observe themanufacturer's instructions!!

ATTENTION!

MANUAL

In order to avoid mal-functions and damage to the vehicle’s electrical system the earth terminal must be disconnectedfrom the vehicle’s battery before starting work!

Both the trailer module and the vehicle’s control unit for the electrical system can be damaged during work on theCAN data bus connections if the battery is not disconnected!

Please pay attention to the manufacturer’s instructions when disconnecting and reconnecting the vehicle’s battery!

90020244

90020245 90020246

3 4

2

5

7

690020247

87020874 / 09.08.2013 5/10

Belegung der Steckdose / Maximale AusgangsleistungSocket configuration / Maximum power outputCorrespondance des contacts de la prise / Puissance de sortie maximaleAbbinamento della presa / Uscita di alimentazione massimaIndeling van de stekkerdoos / maximaal uitgangsvermogen

ISO 1724

5/58-R

6/54

1/L

4/R

2

3/31

BK/WT

WT

BK/GN

BR

GY/RD

BK/RD

7/58-L GY/BK

21W

42W

21W

52W

63W

52W

D FGB IE

RD

BK

GN

OR

VT

PK

BL

YL

WT

BR

GY

Black Schwarz Negro Noir Nero

Red Rot Rojo Rouge Rosso

Green Grün Verde Vert Verde

Orange Orange Naranja Orange Arancione

Violet Violett Violeta Violet Viola

Pink Pink Pink Rose Rosa

Blue Blau Azul Bleu Blu

Yellow Gelb Amarillo Jaune Giallo

White Weiss Blanco Blanc Bianco

Brown Braun Marrón Brun Marrone

Grey Grau Gris Gris Grigio

NL NP SDK

Preto Zwart Sort Svart

Vermelho Rood Rød Rød Röd

Verde Groen Grøn Grønt Grön

Laranja Oranje Orange Orange Orange

Violeta Violet Violet Fiolett Violett

Cor-de-Rosa Paars Pink Pink Rosa

Azul Blauw Blå Blått Blå

Amarelo Geel Gul Gult Gul

Branco Wit Hvid Hvitt Vit

Marrom Bruin Brun Brunt Brun

Cinzento Grijs Grå Grått Grå

CZFIN H

Musta Cerná Fekete

Punainen Cervená Piros

Vihreä Zelená Zöld

Oranssi Narancs

Violetti Fialová Ibolya

Pinkki Ruzová Rózsaszín

Sininen Modrá Kék

Keltainen Zlutá Sárga

Valkoinen Bílá Fehér

Ruskea Hnedá Barna

Harmaa Sedá Szürke

PL

Czarny

Czerwony

Zielony

Pomaranczowy

Fioletowy

Rózowy

Niebeski

Zólty

Bialy

Brazowy

Szary

Svart

Oranzová

90500580

X00000000

ooooooooooooooooo

90020248

90020257

8

9

BRBR

90020249

10

11

Important!Please note informations in picture 1!

BK/YL

brake light

BK/RD/YL

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BR-BL

GN-BL

12

13-14

21-31

1315-1621-31

17-31

ribbon cabletwisted pair wire

CAN-Data Wireor

Yes Yes

No CAN-data wireavailable in boot

90020260

GN

OR/GN

GN

OR/GN

90020261

YL

BK

GN

OR/GNGN YL

OR/GN BK

13

14

cut to length!90020207

YL

BK

Important!Please note informations in picture 1!

87020874 / 09.08.2013 7/10

90020040

16

15

90050044

YL

BK

19

18

CAN-Data Wire

Do not damagesingle wires!

(ribbon cable)

ca. 50 mm

90020264

GN

OR/GN

17

Important!Please note informations in picture 1!

YL

BK

GN

OR/GN

90020263

GN YL

OR/GN BK

Do not damagesingle wires!

ca. 50 mm

90020262

87020874 / 09.08.2013 8/10

MANUAL

90500004

20

YL

BK

GN

OR/GN

90020265

GN YL

OR/GN BK

90020102

B+/30

RD/YLRD/BL

21

22 23

24 25

Important!Please note informations in picture 1!

90500507

everse

90500652

Supplementary harness

12S38400501

BL/YL

OPTIONALeverse

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LED

90500543

P

90500545

P

90500331

13-pin7-pin

Optional: Adapter socket 62400001

OPTIONAL

Part-no.50400521RC

Trailer Simulatorfor 7- and 13-pinSockets

Permanent power supply

Charging wire fortrailer battery

Dauerstrom

Ladeleitung

everse

PIN 9

PIN 10

27

3130

28

26

29

87020874 / 09.08.2013 10/10

SETUP

1x

P

1. 2. 3.

4.

ON

LOC

K

Ignition ON

P

MANUALSERVICE

BMW

BMWSERVICE

BMW

BMW

MANUAL

90020166

MANUAL