BMW 1 3 Series F20 F21 F30 F31 Protection Plate 13517629155 7629155

The BMW F20 F21 F30 F31 Undertray Shield is an item from the Injector Nozzles category, designed for installation at the front of the vehicle. As an original BMW part, it ensures proper protection for critical injection system components, contributing to stable engine operation and reducing the risk of operational damage.

Specifications and technical data

• SKU: 7629155
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7629155
• Substitutable numbers: 13517629155, 7629155, EM
• Location on the vehicle: Front
• Category: Fuel Injectors

Purpose and Function of the Undertray Shield

The BMW Injector Nozzle Undertray Shield serves as a cover for the injection system components located at the front of the vehicle. Its purpose is to minimize the impact of external factors, such as road debris, moisture, or temperature fluctuations, on the precise fuel metering components.

A properly selected undertray shield helps in:

• stabilizing the operating conditions of the injector nozzles at the front of the engine bay,
• reducing the risk of mechanical damage caused by impacts from small road debris,
• maintaining the correct mounting geometry of the injection system components.

Compatibility with BMW F20, F21, F30, F31 Models

The offered undertray shield has been developed for BMW F20, F21, F30, and F31 series vehicles, ensuring a precise fit for the front body and engine bay structure of these generations. This allows for the preservation of the original position of the protected components and proper airflow within the injection system.

As a part from the Injector Nozzles group, the undertray shield works with the factory fuel system, supporting its durability and predictable performance in daily use.

Mounting Characteristics – Front Vehicle Placement

The undertray shield is intended for installation in the front of the vehicle, requiring careful attention to the disassembly and assembly sequence of adjacent components. In practice, this means paying attention to:

• correct alignment with factory mounting points in the body structure or subframe,
• avoiding interference with other components of the cooling system, intake system, or lower shields,
• maintaining the overall rigidity of the assembly after tightening the mounting elements.

Due to the specific nature of BMW injection systems, installation by someone experienced with this brand of vehicle or by a specialized service center is recommended.

Product Condition and Service Application

The item is offered as a used part, meaning it comes from a dismantled vehicle and may show signs of previous use, while still maintaining the functionality required for further operation. This type of component is particularly useful in:

• post-accident repairs of the vehicle front, where replacement of damaged injection system shields is necessary,
• fuel system servicing, when the old undertray shield has been deformed during disassembly,
• restoring the factory completeness of shields on vehicles where this component was previously removed.

Technical Support and Additional Materials

When selecting parts from the BMW Injector Nozzles category, it is advisable to use manufacturer-specific solutions to maintain the structural integrity of the fuel system. If you need other products from this group, check out the BMW Injector Nozzles available in our store, which will help you gather all the necessary components.

If you have any doubts regarding the condition of the injection system and symptoms of wear, the guide article Diesel Injector Faults – How to Recognize Them and What Neglecting Them Entails will be helpful. It discusses common symptoms, potential consequences of neglect, and basic diagnostic methods.