Technical information

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Belt tensioners
No identification
The vehicles contain four kinds of systems for reducing belt slack:
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Mechanical belt tensioners
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Pyrotechnic belt tensioners
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Pyrotechnic retractor tensioners / end fitting pretensioners
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Seat-integrated belt system (SGS)
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Active head restraints
No identification
The active head restraints are integrated into the driver's and front passenger seats.
Active head restraints that have not been triggered require no special attention.
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Roll-over protection system
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3-Series (E36): no identification
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3-Series (E46): "Rollover protection system" identification on the top side of the head restraint on the rear seat
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1-Series(E88), 3-Series(E93), 6-Series(E64): "Rollover protection system" identification
The rollover protection system is only installed in convertibles in the 1-Series (E88), 3-Series (E36, E46, E93)
Convertible and 6-Series (E64).
Rollover protection bars that have not been activated require no special attention.
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Active engine compartment lid
No identification
Installation depending on series and national-market version.
Engine compartment lids that have not been activated require no special attention.
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Child restraint systems
Front passenger and side airbags can be switched off when using child restraint systems. Labels can be found near the
airbag in question if this applies.
Airbag - technical information
Use
In view of different legal requirements in Europe and the USA, different airbag variants are used in BMW vehicles.
Front airbag for driver I
Large air cushion fitted as part of the vehicle's standard equipment (the volumes used in the USA and European versions
differ due to differing legislation)
Front airbag for driver II
Small air cushion (compact airbag; Eurobag) used in vehicles equipped with a sports steering wheel
Front airbag for front passenger
Air cushion, under the dashboard on the passenger's side
Side airbag
Small air cushion, on the interior door frame (front door and rear door) or in the outside of the front seats
ITS head airbag
Air pipes, from the bottom end of the A-pillar along the inside of the roof structure to just shortly before the C-pillar
AITS head airbag (Advanced Inflatable Tubular Structure)
Head airbag stretching from the A-pillar to the C-pillar; extension of the ITS head airbag with a canvas between the ITS
airbag and roof frame
Head airbag
Head airbag stretching from the A-pillar to the C-pillar; extended covered area for the front and rear side window glass
Rear head airbag
Small air cushion in the roof frame above the C-pillar
Knee airbag
Small air cushion, behind the glove box lid and/or behind the steering column shroud (only available in the US version)
Driver's airbag
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