[Closed] Help with key pairing on BMW 4 Series Coupe 420i - code won’t work

1970 views - Last reply: March 15, 2025
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How can I obtain my BMW 4 Series Coupe 420i's key code to program a spare key?

Hello! We've developed a VIN-based tool to help you get your key code for the BMW 4 Series Coupe 420i. Check it out here: VIN Key Code Generator.

Replies (4)

My BMW 4 Series Coupe 420i just sits silent—hoping this changes that.

Trying to reprogram a new key for my BMW 4 Series Coupe 420i—need the code first.

My BMW 4 Series Coupe 420i just blinks. I think this might fix it.

Hope this method is better than the last one I tried on my BMW 4 Series Coupe 420i.

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