Description
BMW E93 Z4 E89 Convertible Tailgate Rear Bump Stop Damper Suppressor is a precision component from the Tailgates and rear parts group, responsible for controlled closing and stable support of the tailgate. Using the correct bump stop limits vibration transfer to the body, improves tailgate operation, and reduces the risk of unwanted rattling while driving.
Specifications and technical data
- SKU: 7179237
- Mark: BMW (Genuine OE)
- Condition: Used
- OEM Part Number: 7179237
- Substitutable numbers: 51247179237, 7179237, KZ
- Location on the vehicle: Rear
- Tire profile: 65535
- Category: Boot & Hatch Lids
Function and application of the tailgate bump stop
The rubber tailgate bump stop in BMW Z4 E89 and E93 models acts as a spacing and damping element between the tailgate and the body structure. Thanks to its flexible structure, the rubber absorbs some of the loads generated during closing, stabilizes the position of the tailgate, and limits its micro-movements when driving over uneven surfaces.
A properly selected bump stop:
- reduces noise coming from the rear of the vehicle,
- limits wear on the hinges and tailgate lock,
- helps maintain the correct geometry of the tailgate against the seals,
- improves acoustic comfort in the cabin at higher speeds.
Construction and technical characteristics
The rubber tailgate bump stop is made of a material with a selected hardness, ensuring a balance between elasticity and resistance to deformation. The design is adapted for installation in the rear part of the body, in the tailgate mounting area, while maintaining the appropriate operating distance.
This solution was designed for:
- stable support of the tailgate in the closed position,
- controlled deflection when the lock is engaged,
- resistance to typical operating conditions (temperature changes, humidity, vibrations).
Benefits of replacing the bump stop in a BMW Z4
Replacing a worn bump stop with a functional part helps restore the factory operating characteristics of the tailgate. The risk of play is reduced, and the tailgate closes in a more predictable and repeatable manner. This is particularly important in vehicles where the tailgate works with precise lock mechanisms and luggage compartment seals.
A well-selected rubber bump stop:
- reduces the need for lock and hinge adjustments,
- helps maintain an even gap between the tailgate and the body,
- improves the aesthetics of the fitment of the vehicle’s rear components.
Purpose and vehicle fitment
The discussed bump stop is intended for installation in the rear of the vehicle, in the tailgate area of the BMW Z4 E89 and E93 generations. The design was developed to work with factory mounting points, which facilitates installation and ensures compliance with the original body geometry.
This element is particularly useful in situations where:
- rattling or resonance occurs from the tailgate area,
- the tailgate requires excessive force to close or bounces off the lock,
- after replacing or adjusting other rear body components, it is necessary to restore proper tailgate support.
Condition and product characteristics
The rubber tailgate bump stop is a component removed from a vehicle, which ensures compliance with factory assembly specifications. Such components, originating from original applications, are often chosen for body service due to their fitment for the specific model and predictable performance during operation.
Expanding tailgate service in a BMW
If you are planning a comprehensive repair or upgrade of the rear body area in your BMW and need other elements from the same group, such as tailgate hinges, locks, or additional supports, check the available parts in the BMW Tailgates and rear parts category.
If you are interested in vehicle modifications and want to better understand how choosing the right used components affects the durability and safety of the drivetrain, it is worth reading the article: 2.5 TFSI DAZA – how to safely increase power in an Audi RS3 by buying used turbochargers.
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