A Blaupunkt serial number always starts with GM0300 followed by a letter and 7 digits (e.g., GM0300V1234567 ), or it may explicitly start with BP followed by a 12-digit string. Step-by-Step: How to Enter the Code
The (also known as the CAR 300, CAR300 RDS, or simply the CDR 300) was the standard factory head unit installed in millions of Opel/Vauxhall vehicles between 1998 and 2006. You will find this unit in models such as: Opel Blaupunkt CAR300 code generator - MHH AUTO - Page 1
This is a classic problem for owners of the , a staple radio unit in countless Vauxhall/Opel Astra, Corsa, and Vectra models from the late '90s and 2000s. These radios were designed with a security feature: if they lose power, they require a unique code to unlock. Without that code, the unit is a brick. However, thanks to specialized software and an automotive community known as MHH AUTO , generating that missing code is often easier and cheaper than you might think. A Blaupunkt serial number always starts with GM0300
| User Request (Serial Number) | Community Response (Calculated Code) | | :--- | :--- | | BP: 7640852520, GM030M12934957 | 1738 | | GM0300Y6224442 | 6877 | | GM030MY5782257 | 3000 | | GM0300Y6253743, 7 649 852 320 | 9731 | | GM030MY5765006, 7 649 852 520 | 1311 | | 7 649 852 320, GM0300Y8968806 | 1455 | These radios were designed with a security feature: