Advanced technology -> Safety belt tensioner for your BMW 7 Series 2001-2007

BMW active seat*  
Safety belt tensioner  
DSP sound system*  
191n  
This causes a movement of the spinal  
column which is barely detectable, to-  
gether with an improvement in the flow  
of blood to the intervertebral disks and  
the muscle structure in the area of the  
spinal column.  
The passengers can experience less  
muscle cramping, back pain in the lum-  
bar region or symptoms of fatigue. As a  
result, the active seat represents a sig-  
nificant contribution to driving comfort  
and driving safety.  
The safety belt tensioner responds to The DSP Professional premium sound  
severe collisions by tightening the belts system features a special amplifier  
to ensure that occupants remain firmly  
positioned in their seats. A gas-pres-  
combined with Digital Sound Process-  
ing (DSP) and integrated speakers to  
sure system retracts the buckle assem- surround you with crisp, true-to-life  
bly to tension the shoulder and lap belts sound reproduction.  
within fractions of a second. This re-  
duces the tendency to slide under the  
lap belt.  
The speaker system's subwoofers,  
woofers, midrange speakers and tweet-  
ers furnish you with an impressively full-  
bodied listening experience. The indi-  
vidual components are oriented so as  
to produce the aural sensation that you  
would experience facing the stage in a  
concert hall. The system also automati-  
cally adjusts the bass and treble set-  
tings to compensate for changes in vol-  
ume and vehicle speed.  
Online Edition for Part No. 01 41 0 004 597 - © 08/99 BMW Group