BMW 3 Series F20 F21 LCI Front Bumper Impact Shock Crash Absorber Foam 7371730

The BMW 3 Series front bumper impact absorption foam is an original part from the Bumpers and Reinforcements category, designed for front body mounting. Engineered as a factory crash absorber, it helps mitigate the effects of low-speed collisions and stabilizes the front bumper structure.

Specifications and technical data

• SKU: 7371730
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7371730
• Substitutable numbers: 51117371730, 7371730, KZ
• Location on the vehicle: Front
• Category: Bumpers & Reinforcements

Intended Use and Function of the Part

The presented bumper absorber has been developed by BMW as part of the passive safety structure in the front of the vehicle. Its purpose is to controllably absorb energy during parking impacts and minor collisions, as well as to properly support the bumper cover.

The component is installed in the front end area, between the reinforcement beam and the outer bumper shell. Its precise fit for the specific BMW 3 Series generation ensures proper alignment with factory mounting points and maintains the crumple zone geometry intended by the manufacturer.

Construction and Fit for BMW 3 Series

The bumper foam is manufactured as a molded part with optimized density, allowing for gradual energy absorption under pressure. The construction is tailored to the dimensions of the BMW 3 Series front bumper, facilitating installation and reducing the risk of stress on the cover.

As an OEM-class part, it works in conjunction with factory bumper reinforcements, guides, and mountings. Proper fit translates to:

• stable seating of the bumper on the front end,
• maintenance of correct gaps between body panels,
• proper functioning of the crumple zone during minor impacts.

Part Condition and Service Application

The offered absorber is a used part, sourced from disassembly, intended for service applications as a replacement for damaged front bumper foam. This type of part is particularly useful for accident repairs, corrections after parking collisions, and complete bumper replacements when the original foam has been deformed.

When selecting the correct absorber, it is always advisable to verify it against the OEM part number and interchangeable part numbers in the technical specifications to ensure full compatibility with the specific body version and model year of the BMW 3 Series.

Benefits of Using an Original Absorber

Using the factory bumper absorber in the BMW 3 Series allows for the preservation of manufacturer-specified parameters for the front crumple zone's performance. In practice, this means:

• better integration with the vehicle's front structure,
• reduced risk of incorrect bumper alignment after repair,
• consistency with other reinforcement system components.

For body shops and repair centers specializing in the BMW brand, such a part is a convenient solution for comprehensive front-end repairs, especially after replacing the bumper cover or reinforcements.

Other BMW Bumpers and Reinforcements and Technical Materials

If you also need other BMW bumpers and reinforcements for front or rear vehicle repairs, check out our dedicated category: BMW Bumpers and Reinforcements. There you will find a wide selection of body structural components tailored to various models of this brand.

Comprehensive body repairs often combine bodywork with the servicing of comfort systems. In such cases, a guide on selecting and operating cabin heating and cooling system components may be helpful: Air Conditioning and Heating – Part Selection and Maintenance for Year-Round Comfort.