[Answered] My BMW 4Series M Sport Convertible won’t recognize the key - missing transponder code?

2648 views - Last reply: April 17, 2025
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Where do dealerships get the key code to program BMW 4Series M Sport Convertible keys?

Hello! We've developed a VIN-based tool to help you get your key code for the BMW 4Series M Sport Convertible. Check it out here: VIN Key Code Generator.

Replies (4)

Really need the key code for my BMW 4Series M Sport Convertible, thanks for sharing!

My BMW 4Series M Sport Convertible's key code has been a nightmare. Trying this now.

I’m not alone! My BMW 4Series M Sport Convertible is doing the same thing.

This forum is more helpful than my dealer. Thanks from a BMW 4Series M Sport Convertible owner.

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