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Dusting off the service manual...
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Front Frame Horn (Left)
This usually takes 5-15 seconds. We're pulling together fitment data,
OEM numbers, and community knowledge...
Dusting off the service manual...
đź’ˇ This page improves over time as the community adds casting photos and confirms fitment
Quick reference
F10 M5 may utilize different front side members due to wider front track; verify part numbers separately before purchase
2014+ LCI facelift introduced revised bumper mounting brackets; frame horn metal is identical but auxiliary threaded inserts may differ
F07 5-Series GT utilizes unique front body structure; parts appear similar but mounting geometries differ
Context
The left front frame horn on your 2011 BMW F10 528i (BMW 41 11 7 951 337) serves as the forward structural extension of the chassis rail, absorbing frontal impact energy and providing mounting for the bumper reinforcement. This welded component interchanges across all 2010-2016 F10 sedans and F11 wagons, including N52, N20, and N55 engine variants, though always verify against supersession 41 11 7 964 137 found on later production. When sourcing from salvage yards, inspect the horn tip for collision-induced creasing and check the inner cavity for salt-belt rust perforation. Look for stamped code "7951337" on the rail web when factory tags are missing. Installation requires sectioning and professional plug welding—never bolt-on. Ensure the donor vehicle was cut at least 6 inches rearward of the horn base to preserve alignment reference points.
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Confirmed fitment
| Year | Make | Model | Engine | Confidence |
|---|---|---|---|---|
| 2011 | BMW | 528i | 3L I6 Naturally Aspirated N52B30 (240hp) | 80% |
Available parts

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Sign in to contributePart is structural and requires welding; verify junkyard cuts left sufficient material (minimum 150mm) for proper grafting alignment
N52B30-equipped 528i production ended mid-2012 in US market; earlier VINs more likely to have 41 11 7 951 337