As an extra safety precaution, you can replace your tail light backup bulb with this warning light. As you put your BMW 3 Series in reverse, anyone who might be behind you will hear a beeping alert.
Simply replace one of your BMW 3 Series's existing backup light bulb with this combination backup light and warning alarm. The base of the halogen bulb beeps whenever the BMW 3 Series is shifted into reverse.
Average Customer Rating: 5.0 out of 5 stars (2 Customer Reviews)
Works as advertised; easy to install 106939
by: John S12/14/2012
the little guys make a lot of noise for their size. etrailer got them to us quick. Recamend them highly.61522
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