User Manual - Page 247

For 2018 BMW X3.

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Trailer towing
Vehicle features and options
This chapter describes all standard, country-
specific and optional features offered with the
series. It also describes features that are not
necessarily available in your vehicle, e. g., due
to the selected options or country versions.
This also applies to safety-related functions
and systems. When using these functions and
systems, the applicable laws and regulations
must be observed.
General information
The permissible trailer loads, axle loads, draw‐
bar node weights, and the permissible gross
vehicle weight are specified in the technical
data.
The vehicle is equipped with an enhanced sus‐
pension system on the rear axle and, depend‐
ing on the vehicle type, with a more powerful
cooling system.
Before driving
Drawbar nose weight
The maximum load of the tractor is lowered by
the weight of the trailer hitch and the drawbar
nose weight. The drawbar nose weight in‐
creases the vehicle weight. Do not exceed the
approved gross vehicle weight of the towing
vehicle.
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Distribute cargo as evenly as possible on the
cargo area.
Stow the load as low and close to the trailer
axle as possible. A low center of gravity in the
trailer increases the driving safety of the entire
vehicle-trailer combination.
Do not exceed the approved gross vehicle
weight of the trailer and the permissible trailer
load of the vehicle. The smaller value applies in
each case.
Tire inflation pressure
Note the tire inflation pressure of the vehicle
and trailer.
For the vehicle, the tire inflation pressure for
higher loads applies.
Information regarding the tire inflation pres‐
sure, refer to page 268.
For the trailer, the specifications of the manu‐
facturer apply.
Flat Tire Monitor FTM
After correcting the tire inflation pressure or
hitching/unhitching a trailer, initialize the runflat
tires, refer to page 288.
Tire Pressure Monitor TPM
After correcting the tire inflation pressure or
hitching/unhitching a trailer, reset the Tire
Pressure Monitor TPM, refer to page 281.
Exterior mirrors
Exterior mirrors, which allow the driver to see
both rear corners of the trailer, are available as
special accessories from a dealer’s service
center or another qualified service center or re‐
pair shop.
Power consumption
Before starting to drive, check the function of
the trailer tail lights.
The consumption of the trailer tail lights must
not exceed the following values:
Turn signals/brake lights: 54 watts per
side.
Rear lights: 100 watts in total.
Seite 247
Trailer towing Driving tips
247
Online Edition for Part no. 01402984955 - X/17
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