Engine oil

See also:

Optional Variable Sports Steering
Optionally a new variable-ratio steering system can be specified. Variable Sports Steering provides different steering gear ratios depending on the angle of the steering wheel, so that the new BMW ...

Features
Like most up-level BMWs these days, the 650i can be equipped with a dizzying array of technological wizardry. Ours came equipped with an optional lane departure warning and correction system, adap ...

Damage to safety belts
In the case of strain caused by accidents or damage: Have the safety belts, including the safety belt tensioners, replaced and have the belt anchors checked. Checking and replacing safety b ...