Connect the bleeder unit for the brake fluid

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2023 BMW M240i xDrive, 2023 BMW M240i, 2023 BMW 230i xDrive, 2023 BMW 230i, and 2022 BMW M240i xDrive. However, it is still accessible from the selected car via links, so may be relevant.

To guarantee a correct vent of the brake system, the following procedure must be observed!
Top up the brake fluid in the expansion tank to the lower edge of the thread (1) with new brake fluid.
Vent the hose of the bleeder unit before connecting.

Courtesy of BMW OF NORTH AMERICA, INC.

NOTE: TECHNICAL INFORMATION
Use only BMW-approved brake fluids; see "Fluid Capacities" tab for the selected vehicle.
NOTE:
RISK OF DAMAGE
Paint damage.
Mechanical or chemical action may lead to paint damage.
- Cover up working area with specified covering material only.
Courtesy of BMW OF NORTH AMERICA, INC.
Connect the bleeder unit (1) to the brake fluid reservoir and turn on.
Observe the operating instructions of the corresponding equipment manufacturer.
Do not exceed the tire pressure of 2 bar.