BMW 520D Benutzerhandbuch

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Towing a trailer
Information about permissible trailer loads 
appears on page
 onwards. BMW Service 
will provide information about ways to increase 
these load ratings.
Cover flap
Removing
Take hold of the cover flap for the trailer tow 
hitch
by the cutout from beneath, and pull off 
to the rear.
Fitting
Hold the cover flap against the trim from 
beneath, push it in the guide and press on fully.
Trailer tow hitch*
Cars fitted with a trailer tow hitch prior to deliv-
ery are equipped with uprated suspension at 
the rear axle and a more powerful engine cool-
ing system, as appropriate for the model.
Look after a detachable ball end in accordance 
with the manufacturer's operating instructions, 
to ensure that it can be fitted and removed with-
out difficulty.
Due to the body reinforcements at the rear end 
of the car, the effect of the regenerable bumper 
system is limited.
Fitting and removing
The ball hitch is in the luggage compartment or 
load area, beneath the floor panel flap.
The procedure for fitting and removing the ball 
hitch is described in the enclosed manufac-
turer's operating instructions.
Before a journey
Nose weight
It is important to ensure that the nose weight is 
never less than a minimum of 25 kg, approx. 
55 lb. Information about nose weight limits 
appears on page
 onwards. The nose 
weight should be kept close to this limit.
The trailer's nose weight affects the towing 
vehicle and thus increases its weight. The 
weight of the trailer tow hitch and the nose 
weight reduce the maximum payload of your 
BMW. Please ensure that these do not cause 
the gross weight limit of the towing vehicle to be 
exceeded if a trailer is being towed.
Loads
When loading the trailer, make sure that 
the weight is kept as low as possible and 
stowed if possible close to the axle.
A low centre of trailer gravity makes the outfit 
much more stable and safe to drive.
Do not exceed either the trailer's permitted 
gross weight or the specified permitted towing 
load for the car. The smaller value is the limit 
which should be adhered to.
Tyre pressures
Take great care to check the BMW's and the 
trailer's tyre pressures. For the car, the tyre 
inflation pressures for heavy loads apply, see 
page
. After each correction of the tyre 
pressures, reinitialise the Run Flat Indicator, 
see page
For the trailer, comply with the manufacturer's 
specifications.
Run Flat Indicator
Reinitialise the Run Flat Indicator after a trailer 
has been attached or detached, see page
Outside mirrors
Two outside mirrors which bring both rear cor-
ners of the trailer into your field of view are 
required by law. Mirrors of this kind can be 
obtained from BMW Service.
Online Edition for Part-No. 01 41 0 159 725 © 09/05 BMW AG