Get quotes for a used or replacement BMW 1 Series horn. Genuine second hand parts from UK vehicle dismantlers - free request, breakers with stock reply direct.
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Fitment on a used horn varies by vehicle, so a bit of detail goes a long way. Our request form covers what breakers need to know, so every quote you get back is for the correct part:
The BMW 1 Series runs across two main generations: the E81/E82/E87/E88 (2004–2013) and the F20/F21 (2011–2019), with a facelift on the F20/F21 around 2015. Horns are a straightforward electrical component and generally interchange freely within a generation, but crossing from the E-series to the F-series or across the 2015 facelift boundary may involve differences in connector type or mounting, so confirm compatibility against your registration with the breaker before ordering.
Trim level — whether SE, Sport, M Sport, or M140i — does not affect horn fitment on the BMW 1 Series; the horn is a standard safety component fitted across the range regardless of specification. You may find minor differences in how the horn is mounted depending on the front-end layout, but these are not trim-driven, so don't rule out a horn from a different trim level when sourcing from a breaker.
The 2012 E87 sits in the first generation (E81/E82/E87/E88, 2004–2013) while the 2014 F20 belongs to the second generation (F20/F21, 2011–2019), so you are crossing a generation boundary where connector types and mounting points are likely to differ. This is a case where you should confirm fitment against your specific registration with the breaker rather than assuming the part will swap straight over.
No — the horn is not engine-specific and the same unit is used across petrol and diesel variants of any given 1 Series generation. When sourcing from a breaker, the generation and model year are far more relevant than the engine type.
The F20 facelift arrived around 2015 and brought updates to various electrical systems, which can mean differences in wiring connectors even within the same generation. Horns from pre- and post-facelift F20 models may well be interchangeable, but to be sure, check with the breaker and quote your registration so they can verify the connector and part number match.
BMW often uses common horn suppliers and similar components across model ranges, so there is a reasonable chance of cross-model compatibility within the same era, but this is not guaranteed and varies by connector type and mounting bracket. The safest approach is to give the breaker your registration and ask them to cross-reference the part number from their donor vehicle before purchasing.