Towbar Towing Hitch BMW E90 Witter Carrier Towing Tow Bar Trailer Hook

Visual condition of the part

The product shows signs of use visible in the photos.

Towbar Towing Hitch BMW E90 Witter Carrier Towing Tow Bar Trailer Hook is an original component mounted in the rear part of the body, designed for safely towing a trailer or attaching a bicycle rack. Thanks to its design, which complies with the manufacturer's standards, it ensures a stable connection to the chassis and predictable vehicle behavior during towing. This is a solution for users who want to practically increase the functionality of their BMW while maintaining factory fitment and technical consistency.

Specifications and technical data

• SKU: 6791155-11
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 6791155
• Substitutable numbers: 71606791155, 6791155, 71606782408, 6782408, 71606767173, 6767173, 71606772205, 6772205, 71606784585, 6784585
• Location on the vehicle: Rear
• Category: Other Exterior Parts & Accessories

Purpose and function of the BMW E90 towbar

The presented Towbar Towing Hitch BMW E90 Witter Carrier Towing Tow Bar Trailer Hook has been designed for installation in the rear of the vehicle, where it is responsible for transferring loads associated with towing a trailer, car hauler, or mounting a luggage platform. The Witter Towing Hitch design is adapted to the geometry of the E90 body, which facilitates proper seating and compatibility with factory mounting points.

This component allows for:

• expanding the vehicle's transport capabilities (trailers, cargo boxes, bicycle platforms),
• maintaining the stability of the towing set thanks to proper load distribution in the rear of the body,
• maintaining compliance with the BMW factory assembly line, which is essential for safety and durability.

Construction and body fitment

The Witter towbar for the BMW E90 is a structural element operating in the rear load-bearing zone of the vehicle. Its geometry has been developed to work with factory mounting points in the chassis without the need to interfere with the primary load-bearing structure. As a result, the installation can be carried out in an orderly manner, maintaining the correct alignment of the hitch relative to the body.

Proper fitment to the specific BMW model reduces the risk of stress in unforeseen areas and facilitates subsequent maintenance. For workshops, this means predictable installation time, and for the user – consistency with the vehicle's factory architecture.

Characteristics of the used component

The offered towbar is a used part, sourced from dismantling, which in practice allows for combining reasonable cost with maintaining the manufacturer's original specifications. Such OEM components are often chosen by workshops and informed users as an alternative to aftermarket replacements, especially where maintaining original geometry and strength parameters is crucial.

Before installation, it is recommended to perform a standard verification of the condition of working surfaces, threads, and mounting points, as well as to use new bolts and fasteners in accordance with the vehicle manufacturer's guidelines. This allows for fully utilizing the potential of the part and ensuring safe operation in the long term.

Application in workshop practice and operation

The Towbar Towing Hitch BMW E90 Witter Carrier Towing Tow Bar Trailer Hook works well both in cars used daily and in vehicles used for occasional trailer towing or transporting bicycles on a platform. For workshops, installing an original component means fewer surprises during work, and for the user – predictable car behavior under load.

In practice, this translates into:

• more comfortable handling of the vehicle with a trailer,
• better cooperation with the vehicle's factory safety systems,
• easier potential diagnostics and service in the future.

If you are planning a comprehensive repair or upgrade of the rear body zone in your BMW and need other elements from the same group, such as additional brackets, supports, or mounts, check out the available parts in the Other BMW category.

Technical support and knowledge about OEM parts

When selecting used original components, it is worth considering not only model fitment but also the impact on repair time and service costs. In workshop practice, well-chosen OEM components allow for shortening vehicle downtime and reducing the risk of additional modifications. You can find more about how the availability of used original parts affects repair speed in the article on using used OEM parts to accelerate service work.

If you are interested in a broader context of structural differences between standard and sports versions, including solutions in terms of drivetrain, brakes, and chassis, it is worth reading the comparative material Audi RS vs other models – what is hidden under the hood and chassis?, which shows how manufacturers design elements responsible for load transfer and driving dynamics.