Safety
The BMW 650i has not been crash-tested by the National Highway Traffic Safety Administration and Insurance Institute for Highway Safety. Neither organization typically tests low-volume cars with sticker prices this high.
The 650i comes with seat-mounted side airbags. Because it's a convertible, there are no roof-mounted side curtain airbags. You can see all the standard safety features here.
It also comes with an emergency telematics service — like GM's OnStar — called BMW Assist. It includes four years of collision notification, emergency request, roadside assistance and stolen vehicle recovery.
See also:
Oil types for refilling
Notes
No oil additives
Oil additives may lead to engine damage.◀
Viscosity grades for engine oils
When selecting an engine oil, ensure that
the engine oil belongs to one of the viscosity ...
Tire tread
Summer tires
Do not drive with a tire tread depth of less than
0.12 in/3 mm.
There is an increased danger of hydroplaning if
the tread depth is less than 0.12 in/3 mm.
Winter tires
Do not driv ...
Use high-quality brands
Field experience has indicated significant differences
in fuel quality: volatility, composition, additives,
etc., among gasolines offered for sale in
the United States and Canada. Fuels containi ...