BMW 5 Series: Exterior equipment
Exterior

G30 Exterior highlights
- Air flaps in the radiator grill
- Air Breather
- Headlights extend to the radiator grill
- Adjustable housing for rear lights
Underbody
The almost fully closed vehicle underbody plays an important role in the
aerodynamics. The acoustics
in the vehicle are also significantly improved as a result. In the front
section, the air flow is directed
past the front wheels by the displacers (7). In this way, the airflow on the
front wheel is reduced. In the
rear area, the 2 wind deflectors (3) on the axle and the cover of the rear axle
differential (5) contribute
to optimized underbody flow together with the rear diffuser (4), which is
adapted for each drivetrain
design.

G30 Underbody trim
- Cross-member with wind deflector
- Tank cover with wind deflector
- Wind deflector, rear axle
- Rear diffuser
- Cover, rear axle differential
- Cover, exhaust system
- Displacer
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Body overview
G30 Side frame structure
Multiphase steel (> 300 N/mm²)
Ultra-high-strength steel (> 900 N/mm²)
Aluminum
Deep-drawing steel (< 300 N/mm²)
Other ste
Some of the Aluminum-steel connections in the G30 body structure are produced
using a new body
joining technique: flow drill screws. These include, for example, the connection
between the engine
sup
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Body Domain Controller (BDC)
Body Domain Controller (BDC)
BDC functions
The Body Domain Controller BDC is responsible for the following functions:
Gateway
Electronic immobilizer
Terminal control
Central locking system
Exterior lights
Power windows
Horn
Interior light
Wash/wipe system
Veh
General information
External devices can also be connected to the
vehicle as additional entertainment sources.
Connection of external audio and video devices
or digital cameras via the HDMI in the
rear. Operation takes place on the external
device.
Connection of external devices via the USB
a