See also:

Twin-scroll turbocharging
The new four-cylinder engines also feature twin-scroll turbocharging. This means that the exhaust stream from cylinders 1 and 4, and the exhaust stream from cylinders 2 and 3, follow separate spir ...

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 ...

Configuring the prewarning
After the warning function is switched on, the following can be set via the iDrive: ▷ The prewarning can be switched on/off. ▷ The time of the prewarning can be set. These settings ha ...