Can someone please help me with the code of my Blaupunkt radio? the serial number is BP730187719178

There are three was to get the code. Only Option 3 is available to you unless you currently have a Daewoo and are on good terms with the dealership

https://www.fixya.com/support/r29874205-need_vehicle_radio_code

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if cam with car new, only car dealer can
if was added later, only blaupunkt can
by law in most countries, this is true.

google finds this in 1 second flat.
when car was new, with coded radio head end.
it has card in the glove box ,says dont lose this card and code
and put in a safe place it states.
the users guide (lost too) says to replace the battery the car
ask the radio its code first (or OOPS its locked out)(shows how it does)

https://rxmechanic.com/how-to-reset-car-radio-without-code/

If it came with the car, the dealership will give you the code if you show them the registration document.

Or look in the glove box for a small which sticker.

Or there are the 'free' sites which charge about $12. This one has a code number generator.

https://freeradiocodes.co.uk/blaupunkt-radio-code

https://www.google.com/search?q=blaupunkt+radio+code+free+calculator

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Dealer with vin and proof of ownership

dealer with vin and proof of ownership

For Blaupunkt radio codes contact this link: Car radio codes in Uxbridge London Gumtree

For radio codes contact this link: Car radio codes in Uxbridge London Gumtree

your code is 4670

Your code is 5122