Page 68 - Catalog spare parts BPW LUFT

Auto Parts / BPW-EL-Luft 31051601e Page 67

BPW Air bags 4

General

Reduced weight of the Airlight II air

suspension with the new air bag 30 / 30 K

O

Within the scope of a further development of the Airlight
II air suspension, BPW introduced new optimised trailing
arms from 1 July 2010 as well as a centrally bolted air bag SL

BPW 30 / 30 K for offset V = 20 mm.
Currently, the air bag is fastened to the trailing arm by
means of a universal steel plate inserted into the base of AL

the air bag piston with possible offsets 0 / 20 / 60. This
steel plate is attached to the trailing arm with two bolts.
Later versions of the air bag with the most frequently AC

used standard offset of V = 20 mm will be bolted directly
onto the trailing arm with a single bolt. A four-hole pattern
is drilled into the new trailing arm. In addition to the new
centrally bolted air bag, the familiar air bags BPW 30 / 30 K

and BPW 36 / 36 K / 36-1 can continue to be attached

using a steel plate and diff erent off sets.
When using the new centrally bolted air bag, 15 kg are
saved on a 3-axle suspension compared to the old
version (5 kg per module).
Note: Please note that the new air bag can only be
combined with the new trailing arm.
It is impossible to mount a new air bag onto an old trailing
arm by mistake due to the bolt / hole diameters.
The old air bag with the steel plate can, however, continue
to be used for all versions with old or new trailing arm.
From a technical point of view, there are no restrictions to
using both versions on the same axle or vehicle.
Your contact in our sales department will be pleased to

assist you with planning the changeover.

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