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Article 8 Jul 2026

Bosch MD1CS003 tuning protection: locked and unlocked ECU numbers explained

By Damien Jorgensen

Some Bosch MD1CS003 ECUs are straightforward tuning jobs. Others look similar from the outside but are effectively locked against normal read and write work. That difference matter...

#md1cs003 bosch md1cs003 #md1 1.5 bluehdi

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Protocol Update 10 Jun 2026

Bosch MDG1 unlocking: CMDFlash warns why the unlock method matters

By Klaus Nielsen

Bosch MD1 and MG1 ECU unlocking has become one of the most important tuning topics of the summer. On one side, Magicmotorsport is pushing its Flex No RFT updates, advertising Boot...

protocol update Flashtec CMDFlash Magicmotorsport

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Bosch MD1CS003 tuning protection: locked and unlocked ECU numbers explained

Bosch MDG1 unlocking: CMDFlash warns why the unlock method matters

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Remapping

VAG Tuning

BMW & MINI Tuning

Ford Tuning

Gearbox Tuning

Classic & Vintage Tuning

Motorsport Tuning

Dyno Sessions

Services

Bosch MD1CS003 tuning protection: locked and unlocked ECU numbers explained

Bosch MDG1 unlocking: CMDFlash warns why the unlock method matters