Installing the hydraulic unit
WARNING: This page is about a different car, the 2025 BMW M4, 2024 BMW M4, 2023 BMW M4, 2022 BMW M4, and 2021 BMW M4. However, it is still accessible from the selected car via links, so may be relevant.
- Protect the working area from escaping hydraulic fluid.
- Insert the hydraulic lines into the locking plate (2) as marked and insert the hydraulic unit.
- Shift the locking plate (2) in the arrow direction.
- Tighten down screws (1).
- Connect the hydraulic unit with all connectors and store level in the luggage compartment.
- Connect all connectors (1) and lock.
- Close trunk.
- Open and close convertible top completely twice.
Check
- Store the hydraulic unit (1) level.
- Open and close convertible top at least 2 times.
- With the convertible top closed, check if the oil level is within the mark on fluid tank (2).
Result
» Oil level outside of the mark (2).
Measure
- Open lid (3) and correct the oil level.
- Position coating (2) made of foam material.
- Attach adhesive tapes (1).
- Position control unit (2).
- Attach retaining strap (1).
- Feed in the hydraulic unit (1) and position in the correct installation position upwards with the fluid tank.
- Ensure that the hydraulic unit (1) is installed with the lid (2) towards the top.
Follow-up work
- Refer to INSTALLING LUGGAGE COMPARTMENT WHEEL ARCH TRIM PANEL ON RIGHT .
- Refer to INSTALLING THE TOP LUGGAGE COMPARTMENT TRIM PANEL .
- Refer to INSTALLING LOADING EDGE TRIM .
- Refer to INSTALLING LUGGAGE COMPARTMENT FLOOR COVERING .