BMW F34 GT Door Brake Stopper Limiter Rear Left N/S 7331409

BMW F34 GT Door Brake Stopper Limiter Rear Left N/S is an original component from the Doors and door panels group, designed for the rear left side of the vehicle body. It ensures a controlled door opening range, stabilizes their position, and limits unwanted movement of the door panel during entry, exit, and while parked on inclines. This is a practical solution that improves the daily functionality and comfort of your BMW 3 Series Gran Turismo.

Specifications and technical data

• SKU: 7331409
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7331409
• Substitutable numbers: 7331409, 51227331409, 7446731, 51227446731, KD
• Location on the vehicle: Rear, Left
• Category: Doors & Door Skins

Function and role of the rear left door stopper

The stopper is responsible for precisely guiding the door into specific opening positions so that the panel does not open too wide and strike adjacent vehicles, walls, or pillars. The component operates in a repeatable manner, ensuring:

• controlled door stopping in several stable positions,
• damping of sudden movements when opened with force,
• protection of hinges and body panels against excessive loads,
• more predictable door behavior on sloped surfaces or in windy conditions.

Proper operation of the stopper reduces the risk of damage to the paintwork and body components in the door area.

Fitment for BMW F34 GT – vehicle placement

The presented stopper has been designed specifically for the rear left side of the BMW F34 Gran Turismo body. This means that its geometry, mounting points, and operating range are tailored to the door and pillar construction in this specific area of the vehicle. In practice, this translates into:

• correct fitment with factory mounting holes,
• the proper angle and opening range for the rear left door,
• preservation of the factory door operating characteristics, in accordance with the manufacturer's specifications.

Such fitment is particularly important during post-accident repairs or when replacing worn components within the Doors and door panels category.

Characteristics of the used OEM part

The stopper comes from the original BMW production line, which means it maintains factory design parameters and compatibility with the F34 GT body. As a used part, it is a good choice when you want to ensure:

• preservation of the original technical specification without the need for modifications,
• consistent operation with other door mechanism components,
• a reasonable balance between repair cost and component quality.

In many cases, a used OEM element provides more predictable performance than cheaper replacements with uncertain manufacturing tolerances.

Benefits of using an original stopper

Using this stopper in a BMW F34 GT provides tangible operational benefits:

• Stable door operation – the rear left door opens and stops in a predictable manner, which improves vehicle comfort for passengers.
• Body protection – limiting excessive door swing reduces the risk of door edge dents and paint damage.
• Consistency with BMW design – the original design ensures compliance with the manufacturer's factory standards regarding safety and ergonomics.

This is particularly important in vehicles used daily, where doors are frequently operated by the driver and passengers.

Support with part selection and additional information

If you want to better understand when it is worth choosing a used original element instead of a replacement and how it will affect the durability of the repair, check out the article 5 reasons why a used OEM part is a better choice than a replacement. You will find practical tips there to help you plan repairs for your BMW.

If you are planning a comprehensive repair or upgrade of the door area in your BMW and need other elements from the same group, such as panels, reinforcements, or additional mounts, check out the available parts in the BMW Doors and door panels category.