Bosch radio code

Bosch radios have a 14-character serial starting with CM. They use the same code methods as Blaupunkt (formerly part of Bosch), and we calculate them instantly from the full serial – including Calais and Dover USB radios and many units fitted to Fiat, Lancia, Alfa Romeo, Iveco, DAF and John Deere.

Updated October 5, 2026 · Reviewed by the GetRadioCode team

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Radio serial number – type it exactly as on the label

Where do I find my serial number?

Ford: M123456 · V123456
Blaupunkt / Bosch: BP3305A1234567 · CM6697X1234567
Renault / Dacia: pre-code such as A123 (hold 1 + 6 at switch-on)
Chrysler / Jeep: TM9205901394 · T00BE123456789
Mercedes Audio 10: AL2910X1202553
Toyota / Lexus: 16-character ERC shown on the screen

It is printed on a label on the radio case; some radios show it on the display. Typical serials: Step-by-step guide →

Your code ————

We recognise the radio and its brand from the serial and pick the right calculator for you.

Know your radio type? Choose the calculator yourself →

Free – up to 3 different serials every 24 hours. Only for a radio you own; check the serial before entering the code.

11 radio types we recognise

Enter the full serial in the form above and we recognise the radio automatically. All 11 types get the code instantly.

Show all 11 radio types

Radio	Made by	Serial starts with	Code
CALAIS USB40 24V EU	Bosch	CM0133… (14 char.)	Instant
CALAIS USB40 24V US	Bosch	CM0131… (14 char.)	Instant
CALAIS USB80 12V EU	Bosch	CM0132… (14 char.)	Instant
CALAIS USB80 12V US	Bosch	CM0130… (14 char.)	Instant
DOVER USB40 24V EU	Bosch	CM0123… (14 char.)	Instant
DOVER USB40 24V US	Bosch	CM0121… (14 char.)	Instant
DOVER USB80 12V EU	Bosch	CM0122… (14 char.)	Instant
DOVER USB80 12V US	Bosch	CM0120… (14 char.)	Instant
ROTTERDAM UBT40 24V EU	Bosch	CM0143… (14 char.)	Instant
ROTTERDAM UBT80 12V EU	Bosch	CM0142… (14 char.)	Instant
ROTTERDAM UBT80 12V US	Bosch	CM0144… (14 char.)	Instant

How Bosch serials work

A Bosch serial is built like a Blaupunkt one: CM + 4 digits + 1 character + 7 digits. The 4 digits identify the radio model. You do not need to work out which digits to use – type the full serial and we do it for you.

Bosch radios fitted by vehicle makers are listed on the vehicle pages: Lancia, Iveco, DAF, John Deere, Fiat and Alfa Romeo.

Frequently asked questions

What does a Bosch radio serial look like?

CM, 4 digits, one letter or digit and 7 digits – for example CM6697X1234567.

My Bosch radio was fitted to a car or truck – which brand do I choose?

Choose the vehicle brand (for example Lancia, Iveco or DAF) in the form; we then recognise the exact radio. Choose Bosch only for Bosch-branded radios.