Connect the bleeder unit for brake fluid (top up brake fluid)

NOTE: RISK OF DAMAGE
Paint damage.
Mechanical or chemical action may lead to paint damage.

NOTE: TECHNICAL INFORMATION
Use only BMW-approved brake fluids; see "Fluid Capacities" tab for the selected vehicle.

Connect the bleeder unit (1) to the brake fluid reservoir and turn on.
Observe the operating instructions of the corresponding equipment manufacturer.
Check the brake fluid level and adjust to the maximum mark if necessary.
The tire pressure must not exceed 2 bar.

Courtesy of BMW OF NORTH AMERICA, INC.