BMW Z4 Series E89 Roadster Cabrio Convertible Support Cover Roof Pump Motor

The BMW Z4 Series E89 Roadster Cabrio Convertible Support Cover Roof Pump Motor is an original component designed for the folding roof system in the Z4 E89 series model. Engineered by BMW, it provides precise support and stable mounting for the roof pump motor assembly, which translates into reliable operation of the opening and closing mechanism and a longer service life for the entire system. Thanks to its factory geometry and fitment, it is a beneficial solution for both repairs and professional restoration of a convertible roof.

Specifications and technical data

• SKU: 7225246
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7225246
• Substitutable numbers: 51477225246, 7225246
• Category: Other Interior Parts & Accessories

Purpose and function in the BMW Z4 E89

The offered support is a structural component responsible for holding and properly positioning the roof pump motor in the BMW Z4 E89 series Roadster Cabrio. A correctly selected support:

• maintains the roof pump motor in a stable position relative to the body,
• minimizes the transmission of vibrations to the bodywork,
• ensures the correct routing of cables and mounts within the roof mechanism,
• facilitates service and removal of the pump assembly during repairs.

As a result, the folding roof system maintains its proper operating geometry, which is crucial for the smooth opening and closing of the convertible structure.

Original BMW origin

The part comes from the BMW production line, meaning it was designed specifically for use in the Z4 E89 Roadster Cabrio. Factory origin translates into:

• precise fitment to the mounting points in the body,
• compliance with BMW factory service documentation,
• consistency with other components of the roof mechanism.

In practice, this means there is no need for modifications, drilling additional holes, or using makeshift mounting solutions.

Condition and service application

The support is a used aftermarket part, making it an attractive cost-effective alternative while maintaining original BMW specifications. It is particularly useful in situations where:

• mechanical damage or corrosion of the existing support has occurred,
• it is necessary to complete missing elements after a previous roof repair,
• a vehicle is being restored after a collision in the rear body area.

Choosing an original support allows for maintaining factory load distribution and reduces the risk of improper roof pump motor operation in the long term.

Benefits of using the original support

Using this component in a BMW Z4 E89 Roadster Cabrio provides a number of practical service and operational benefits:

• Stability of the roof mechanism operation – proper support of the pump reduces overloads and unwanted stresses in the system.
• Repeatability of assembly – factory mounting points facilitate quick and predictable installation in accordance with service procedures.
• Consistency with other components – the support works with original covers, mounts, and roof structure elements.
• Reasonable repair cost – a used OEM part allows for lower service costs compared to purchasing a new part while maintaining high manufacturing quality.

Expanding the scope of repairs and upgrades

If you are planning a comprehensive repair or upgrade of the folding roof area in your BMW and need other elements from the same group, such as additional supports, covers, or roof structure mounts, check out the available parts in the Other BMW category.

For more advanced upgrade or comparative projects, e.g., analyzing differences in structural solutions between sports versions and standard models, an article describing the characteristics of powertrains and chassis may be helpful – you can find it here: Audi RS vs other models – what is hidden under the hood and chassis?.