When choosing a professional automotive key programming tool, understanding the differences between models is essential. The image compares two popular devices from Xhorse: Key Tool Max Pro and Key Tool MIDI (Advanced Version), focusing mainly on their immobilizer (IMMO) programming capabilities and supported vehicle platforms.
Xhorse Key Tool MIDI Advanced Version Supported IMMO programming Models:
- BMW CAS1-3
- Volvo
- Land Rover / Jaguar 2015–2018
- Other common models
- VW / Audi / Skoda 4th Gen
- VW / Audi / Skoda MQB
- BMW CAS4 / FEM / BDC
- Porsche
- Audi 5th Gen
- Audi / Porsche MLB models
- Land Rover / Jaguar 2018–
Xhorse Key Tool Max Pro Supported IMMO programming Models:
- BMW CAS1-3
- Volvo
- Land Rover/Jaguar 2015–2018
- Other common models

Which Tool Fits Your Needs?
In summary, the VVDI KEY TOOL MAX PRO is ideal for technicians who mainly work on mainstream and earlier-model vehicles, offering reliable IMMO programming for common platforms. It is cost-effective and practical for everyday use.
The VVDI KEY TOOL MIDI (Advanced Version) is better suited for professionals who require broader coverage and advanced IMMO capabilities, especially for newer BMW, VW group, Audi MLB, Porsche, and late-model Land Rover / Jaguar vehicles.
Choosing the right tool depends on your target vehicles, but for workshops dealing with both common and high-end models, the KEY TOOL MIDI (Advanced Version) offers a clear advantage in long-term versatility.
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