BMW Reinforcement Bar / Impact Beam Rear 51127285543
OEM Part #: 51-12-7-285-543 (51127285543)
This page covers one exact OEM part number. Every unit we stocked has sold.
We may be able to get another
Used OEM parts are one-of-a-kind. We sometimes get another when we dismantle a matching vehicle, but we can’t say when — browse what’s in stock now:
Other Bumper Reinforcement Bar / Bracket that may fit your vehicle
- Genuine OEM — real photos
- 30-day returns on eligible parts
- eBay Top Rated · 100,000+ positive ratings
- Ships from our own indoor warehouse
This genuine OEM reinforcement bar, also known as an impact beam, is a critical component, strategically located at the rear of compatible BMW models. Designed to absorb and distribute impact energy, this part ensures optimal structural integrity during collisions. It is compatible with BMW 4 Series models including the 430i, 440i, and M4 from 2014 to 2020, as well as the 428i variants. Common issues resolved by replacing a worn or damaged reinforcement bar include compromised safety during an accident, misaligned body panels, and ineffective energy dispersion. The OEM part number for this component is Bosch 7285543, confirming its authenticity as a factory-original part sourced from salvage vehicles.
Specifications
| Fits Vehicle Model | 428i, 428i Gran Coupe, 428i xDrive, 428i xDrive Gran Coupe, 430i, 430i Gran Coupe, 430i xDrive, 430i xDrive Gran Coupe, 435i, 435i Gran Coupe, 435i xDrive, 435i xDrive Gran Coupe, 440i, 440i Gran Coupe, 440i xDrive, 440i xDrive Gran Coupe, M4 |
| Fits Vehicle Make | BMW |
| OEM Part No | 51-12-7-285-543 (51127285543) |
| Side | Rear |
| Category | Bumpers |
Compatible Vehicles
Fits 92 vehicle configurations across 1 make, 2014-2020.
Check your specific vehicle before ordering.
This list shows year, make, and model. Some years have multiple trims or
engines that use different parts, and individual listings may have
additional fitment notes (e.g. “with sunroof only”). Review
the full variant list below, or
message us with your VIN
and we’ll confirm the match.
View all 92 vehicle configurations
| Year | Make | Model | Trim | Engine | Note |
|---|---|---|---|---|---|
| 2014 | BMW | 428i | Convertible | 2.0L l4 Turbo | |
| 2014 | BMW | 428i | Coupe | 2.0L l4 Turbo | |
| 2014 | BMW | 428i xDrive | Convertible | 2.0L l4 Turbo | |
| 2014 | BMW | 428i xDrive | Coupe | 2.0L l4 Turbo | |
| 2014 | BMW | 435i | Convertible | 3.0L l6 Turbo | |
| 2014 | BMW | 435i | Coupe | 3.0L l6 Turbo | |
| 2014 | BMW | 435i xDrive | Coupe | 3.0L l6 Turbo | |
| 2015 | BMW | 428i | Convertible | 2.0L l4 Turbo | |
| 2015 | BMW | 428i | Coupe | 2.0L l4 Turbo | |
| 2015 | BMW | 428i Gran Coupe | Hatchback | 2.0L l4 Turbo | |
| 2015 | BMW | 428i xDrive | Convertible | 2.0L l4 Turbo | |
| 2015 | BMW | 428i xDrive | Coupe | 2.0L l4 Turbo | |
| 2015 | BMW | 428i xDrive Gran Coupe | Hatchback | 2.0L l4 Turbo | |
| 2015 | BMW | 435i | Convertible | 3.0L l6 Turbo | |
| 2015 | BMW | 435i | Coupe | 3.0L l6 Turbo | |
| 2015 | BMW | 435i Gran Coupe | Hatchback | 3.0L l6 Turbo | |
| 2015 | BMW | 435i xDrive | Convertible | 3.0L l6 Turbo | |
| 2015 | BMW | 435i xDrive | Coupe | 3.0L l6 Turbo | |
| 2015 | BMW | 435i xDrive Gran Coupe | Hatchback | 3.0L l6 Turbo | |
| 2015 | BMW | M4 | Convertible | 3.0L l6 Turbo | |
| 2015 | BMW | M4 | Coupe | 3.0L l6 Turbo | |
| 2016 | BMW | 428i | Convertible | 2.0L l4 Turbo | |
| 2016 | BMW | 428i | Coupe | 2.0L l4 Turbo | |
| 2016 | BMW | 428i Gran Coupe | Hatchback | 2.0L l4 Turbo | |
| 2016 | BMW | 428i xDrive | Convertible | 2.0L l4 Turbo | |
| 2016 | BMW | 428i xDrive | Coupe | 2.0L l4 Turbo | |
| 2016 | BMW | 428i xDrive Gran Coupe | Hatchback | 2.0L l4 Turbo | |
| 2016 | BMW | 435i | Convertible | 3.0L l6 Turbo | |
| 2016 | BMW | 435i | Coupe | 3.0L l6 Turbo | |
| 2016 | BMW | 435i Gran Coupe | Hatchback | 3.0L l6 Turbo | |
| 2016 | BMW | 435i xDrive | Convertible | 3.0L l6 Turbo | |
| 2016 | BMW | 435i xDrive | Coupe | 3.0L l6 Turbo | |
| 2016 | BMW | 435i xDrive Gran Coupe | Hatchback | 3.0L l6 Turbo | |
| 2016 | BMW | M4 | Convertible | 3.0L l6 Turbo | |
| 2016 | BMW | M4 | Coupe | 3.0L l6 Turbo | |
| 2016 | BMW | M4 | GTS Coupe | 3.0L l6 Turbo | |
| 2017 | BMW | 430i | Convertible | 2.0L l4 Turbo | |
| 2017 | BMW | 430i | Coupe | 2.0L l4 Turbo | |
| 2017 | BMW | 430i Gran Coupe | Hatchback | 2.0L l4 Turbo | |
| 2017 | BMW | 430i xDrive | Convertible | 2.0L l4 Turbo | |
| 2017 | BMW | 430i xDrive | Coupe | 2.0L l4 Turbo | |
| 2017 | BMW | 430i xDrive Gran Coupe | Hatchback | 2.0L l4 Turbo | |
| 2017 | BMW | 440i | Convertible | 3.0L l6 Turbo | |
| 2017 | BMW | 440i | Coupe | 3.0L l6 Turbo | |
| 2017 | BMW | 440i Gran Coupe | Hatchback | 3.0L l6 Turbo | |
| 2017 | BMW | 440i xDrive | Convertible | 3.0L l6 Turbo | |
| 2017 | BMW | 440i xDrive | Coupe | 3.0L l6 Turbo | |
| 2017 | BMW | 440i xDrive Gran Coupe | Hatchback | 3.0L l6 Turbo | |
| 2017 | BMW | M4 | Convertible | 3.0L l6 Turbo | |
| 2017 | BMW | M4 | Coupe | 3.0L l6 Turbo | |
| 2018 | BMW | 430i | Convertible | 2.0L l4 Turbo | |
| 2018 | BMW | 430i | Coupe | 2.0L l4 Turbo | |
| 2018 | BMW | 430i Gran Coupe | Hatchback | 2.0L l4 Turbo | |
| 2018 | BMW | 430i xDrive | Convertible | 2.0L l4 Turbo | |
| 2018 | BMW | 430i xDrive | Coupe | 2.0L l4 Turbo | |
| 2018 | BMW | 430i xDrive Gran Coupe | Hatchback | 2.0L l4 Turbo | |
| 2018 | BMW | 440i | Convertible | 3.0L l6 Turbo | |
| 2018 | BMW | 440i | Coupe | 3.0L l6 Turbo | |
| 2018 | BMW | 440i Gran Coupe | Hatchback | 3.0L l6 Turbo | |
| 2018 | BMW | 440i xDrive | Convertible | 3.0L l6 Turbo | |
| 2018 | BMW | 440i xDrive | Coupe | 3.0L l6 Turbo | |
| 2018 | BMW | 440i xDrive Gran Coupe | Hatchback | 3.0L l6 Turbo | |
| 2018 | BMW | M4 | Convertible | 3.0L l6 Turbo | |
| 2018 | BMW | M4 | Coupe | 3.0L l6 Turbo | |
| 2019 | BMW | 430i | Convertible | 2.0L l4 Turbo | |
| 2019 | BMW | 430i | Coupe | 2.0L l4 Turbo | |
| 2019 | BMW | 430i Gran Coupe | Hatchback | 2.0L l4 Turbo | |
| 2019 | BMW | 430i xDrive | Convertible | 2.0L l4 Turbo | |
| 2019 | BMW | 430i xDrive | Coupe | 2.0L l4 Turbo | |
| 2019 | BMW | 430i xDrive Gran Coupe | Hatchback | 2.0L l4 Turbo | |
| 2019 | BMW | 440i | Convertible | 3.0L l6 Turbo | |
| 2019 | BMW | 440i | Coupe | 3.0L l6 Turbo | |
| 2019 | BMW | 440i Gran Coupe | Hatchback | 3.0L l6 Turbo | |
| 2019 | BMW | 440i xDrive | Convertible | 3.0L l6 Turbo | |
| 2019 | BMW | 440i xDrive | Coupe | 3.0L l6 Turbo | |
| 2019 | BMW | 440i xDrive Gran Coupe | Hatchback | 3.0L l6 Turbo | |
| 2019 | BMW | M4 | Convertible | 3.0L l6 Turbo | |
| 2019 | BMW | M4 | Coupe | 3.0L l6 Turbo | |
| 2020 | BMW | 430i | Convertible | 2.0L l4 Turbo | |
| 2020 | BMW | 430i | Coupe | 2.0L l4 Turbo | |
| 2020 | BMW | 430i Gran Coupe | Hatchback | 2.0L l4 Turbo | |
| 2020 | BMW | 430i xDrive | Convertible | 2.0L l4 Turbo | |
| 2020 | BMW | 430i xDrive | Coupe | 2.0L l4 Turbo | |
| 2020 | BMW | 430i xDrive Gran Coupe | Hatchback | 2.0L l4 Turbo | |
| 2020 | BMW | 440i | Convertible | 3.0L l6 Turbo | |
| 2020 | BMW | 440i | Coupe | 3.0L l6 Turbo | |
| 2020 | BMW | 440i Gran Coupe | Hatchback | 3.0L l6 Turbo | |
| 2020 | BMW | 440i xDrive | Convertible | 3.0L l6 Turbo | |
| 2020 | BMW | 440i xDrive | Coupe | 3.0L l6 Turbo | |
| 2020 | BMW | 440i xDrive Gran Coupe | Hatchback | 3.0L l6 Turbo | |
| 2020 | BMW | M4 | Convertible | 3.0L l6 Turbo | |
| 2020 | BMW | M4 | Coupe | 3.0L l6 Turbo |