BMW Z4 E89 Cabrio Roadster Strut Brace Bar Reinforcement Body 7190432

BMW Z4 E89 Cabrio Roadster Strut Brace Bar Reinforcement Body is an original component from the Engine mounts group, designed to stabilize the powertrain in the BMW Z4 E89 model. Thanks to its factory geometry and precise fit for the right and left mounting points, the part ensures accurate engine support and improves the overall rigidity of the powertrain assembly.

Specifications and technical data

• SKU: 7190432
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7190432
• Substitutable numbers: 51617190432, 7190432
• Category: Engine Mounts

Function and application in the BMW Z4 E89

The presented component acts as a reinforcement and stiffener in the engine mounting area, working in conjunction with the factory support points on the right and left sides. The properly selected structural rigidity limits unwanted movement of the powertrain during acceleration, engine braking, and drivetrain load changes.

Properly selected Engine mounts along with stiffening elements contribute to:

• reduction of vibrations transmitted to the body and vehicle interior,
• more stable handling during dynamic driving,
• reduced stress on other drivetrain components.

Construction and technical characteristics

The solution used in the BMW Z4 E89 combines reinforcement functionality with precise positioning of the engine relative to the subframe and body. The construction is prepared for operation under typical operating conditions for a sports car, where higher dynamic loads occur compared to standard models.

Key features include:

• factory fitment for the engine mounting system in the Z4 E89,
• operation in tandem with components on the right and left sides,
• designed for compatibility with original BMW engine mounts.

As a result, the part allows for maintaining the correct geometry of the powertrain, which is important for both driving comfort and the durability of other components.

Benefits of using an original BMW component

Using an original solution from the Engine mounts group in the BMW Z4 E89 ensures consistency with the factory powertrain suspension concept. The appropriate rigidity and kinematics of the engine mounting translate into predictable vehicle behavior in corners and during sudden load changes.

Main advantages include:

• Structural compatibility – the part is designed for a specific model, which minimizes the risk of installation issues.
• Engine stabilization – limiting excessive powertrain displacement promotes smoother drivetrain operation.
• Better interaction with suspension and steering – stiffer engine support helps maintain consistent vehicle reactions to steering inputs.

Condition, selection, and operation

The element is a removed part and is intended for users looking for a solution consistent with BMW factory specifications, while maintaining a favorable cost-to-functionality ratio. When replacing engine reinforcement or stiffening components, it is worth verifying the condition of other powertrain mounting components to restore consistent system behavior.

Before installation, it is recommended to:

• check the part's compatibility with the specific engine version of the Z4 E89,
• verify mounting points for any potential mechanical damage,
• inspect the condition of the cooperating engine mounts.

Technical support and additional information

If you are planning a comprehensive repair or upgrade of the engine area in your BMW and need other components from the same group, such as additional mounts, brackets, or vibration damping elements, check the available parts in the BMW Engine mounts category.

When choosing used components for the drivetrain and accessories, it is worth learning about best practices regarding the purchase of electronics and control elements – you can find practical tips in the article Second life for electronics – when is it worth choosing used engine controllers, comfort modules, and parking sensors?.