Installation Instructions:
Electrical System for Towing Hitch
General Data
Part number
Westfalia
303 123 300 113
303 124 300 113
303 127 300 113
Installation Overview
Note
The installation of the cable harness is described on the basis of the example of the BMW 5
Series Sedan Model. Except for some slight deviations, the installation procedure is nearly
the same for the BMW 5 Series Touring Model.
9
Fig. 3: Installation Overview
1
Lamp control module (LCM)
2
Fuse holder
3
Trailer module
4
Ground point
12
Vehicle Manufacturer
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--
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6
5
7
8
303 124 391 102 - 001 12/09
Installation Instructions:
Electrical System for Towing Hitch
Vehicle
BMW 5 Series E39 Touring Model as of
01/97
BMW 5 Series E39 Sedan Model as of 12/95
BMW 5 Series E39 Sedan Model as of
10/2000
4
3
2
5
Right tail light
6
Left tail light
7
Trailer socket
8
Cable bushing
1
BMW E39