BMW F30 F31 F80 LCI Door Brrake Rear Right O/S 7446730

BMW F30 F31 F80 Rear Right Door Check Strap is an original body part designed for the rear right side of 3 Series and M3 vehicles. This used door check strap ensures a controlled opening range for the doors, enhancing user comfort and safety during daily operation. Thanks to its factory origin from the BMW range, it maintains proper operating geometry and fit with the door structure.

Specifications and technical data

• SKU: 7446730
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7446730
• Substitutable numbers: 7446730, 51227446730
• Location on the vehicle: Rear, Right
• Category: Other Interior Parts & Accessories

Purpose and Compatibility

The door check strap is dedicated to BMW F-series body types, installed on the rear right side of the vehicle. It operates within the hinge area, stabilizing the door's position in several points and preventing excessive opening.

With a construction compliant with factory BMW standards, the part works with original hinges and door panels, requiring no modifications or adaptations. This solution is particularly beneficial for professional collision repairs and for replacing worn-out check straps in intensively used vehicles.

Construction and Operation Principle

The door check strap functions as a mechanical guide element that:

• stabilizes the door in specific open positions,
• limits the maximum opening angle, protecting the body panel and hinges,
• ensures smooth, controlled opening and closing of the door,
• reduces the risk of the door being suddenly pulled open by wind gusts or on inclines.

Precise fitting with the BMW F-series door structure translates to predictable mechanism operation and proper load on the hinges, which is important for the durability of the entire door assembly.

Condition, Origin, and Benefits of Use

The offered door check strap comes from the BMW group and is categorized as Other Parts, allowing its use in a wide range of body repairs. As a used part, it offers an economical alternative to a new component while retaining factory construction and operating characteristics.

Using the original rear right door check strap in a BMW F30, F31, or F80 allows you to:

• restore proper resistance and "clicks" when opening the door,
• reduce unwanted play and creaks in the hinge area,
• protect the door edges and fender from collision during excessively wide opening,
• maintain compliance with the manufacturer's original design specifications.

Professional Installation and Service Application

The door check strap is designed for installation in place of the factory part, facilitating work for body and paint shops as well as services specializing in the BMW brand. Replacement involves removing the old check strap and installing the offered component in the existing mounting points, following the correct tightening sequence.

Due to its precise fit with the door structure, the part is well-suited for both post-collision repairs and typical wear and tear of the opening mechanism.

Other Parts in This Category and Technical Knowledge

If you are looking for other items in the BMW Other Parts category, check out our dedicated offer: other BMW equipment parts. There you will find a wide selection of body, interior, and accessory components useful for comprehensive repairs.

To compare the characteristics of sports constructions and standard models, as well as to better understand the differences in the construction of powertrains and braking systems, it is worth reading the blog article Audi RS vs. Other Models – What's Under the Hood and Chassis?. This is a practical addition to the knowledge for those who service or upgrade premium cars.