TechPro BM1142120 Bumper Cover Support - Rear Left

Rear Left Bumper Cover Support for BMW 3 Series

TechPro BM1142120 is a rear left bumper cover support engineered for sedan applications with the M Sport package side support. It is built for a factory-style fit on select 2023-2025 BMW 330i, 330i xDrive, M340i, M340i xDrive, 330e, and 330e xDrive models.

Use this bumper cover support to restore proper rear bumper alignment and help return the vehicle’s exterior to a clean, original appearance. TechPro BM1142120 is made with durable materials and is shaped for precise installation on the rear left side.

Key Features

• Rear left bumper cover support for sedan models
• Designed for vehicles with M Sport package side support
• Factory-style precision for accurate bumper positioning
• High-quality construction for durability and lasting performance
• Direct replacement style installation with no modifications required
• Helps restore a seamless OEM-like exterior appearance

Detailed Product Information

TechPro BM1142120 is a body bumper component made for the rear left position on select BMW 3 Series sedans. It is engineered to match the original mounting layout and support the bumper cover with the correct fitment for 2023-2025 BMW 330i, 330i xDrive, M340i, and M340i xDrive, plus 2023-2024 BMW 330e and 330e xDrive models. This part cross-references OE number 51128085487 for the same application. If you are searching for a rear left bumper cover support for BMW 330i xDrive or a bumper side support for BMW M340i xDrive, BM1142120 is the direct-fit option to consider.

What This Part Helps Solve

• Loose or misaligned rear bumper cover on the left side
• Broken or damaged bumper side support after impact
• Poor panel alignment that affects exterior appearance
• Replacement needs after bumper cover repair or removal
• Fitment issues when restoring the rear bumper assembly

Installation Notes and Tips

Install BM1142120 at the rear left bumper support location using the factory mounting points. Verify vehicle trim and M Sport package side support requirements before installation. Because this part is built for direct replacement use, no modifications are required when the vehicle matches the listed fitment.

Quality Assurance

TechPro BM1142120 is manufactured to support reliable fitment, durable service, and a factory-style appearance on the specified BMW applications. Dimensions are approximately 23.8 in. long, 20.7 in. wide, and 5.5 in. high, with a weight of 3.1 lbs.