BMW 20 Pin to OBD2 16 Pin Diagnostic Cable Adapter

The BMW 20 Pin to OBD2 16 Pin Diagnostic Cable Adapter is a practical conversion cable designed for older BMW vehicles that use the round 20-pin diagnostic port under the hood.

This adapter converts the BMW 20-pin connector to a standard OBD2 16-pin female connector, allowing compatible diagnostic scanners and BMW diagnostic tools to communicate with supported vehicle systems.

It is commonly used with older BMW models such as E36, E39, E46, E53, and other BMW vehicles equipped with the 20-pin diagnostic connector. This cable is useful for technicians, workshops, BMW specialists, and advanced users who need to perform diagnostics on classic BMW models.

The adapter can help with fault code reading, module communication, engine diagnostics, ABS, airbag, transmission diagnostics, and other supported functions depending on the scanner and vehicle compatibility.

Key Features

• BMW 20-pin to OBD2 16-pin adapter cable
• Designed for older BMW vehicles
• Converts round BMW 20-pin connector to standard OBD2 16-pin
• Suitable for BMW diagnostics with compatible scanners
• Useful for engine, ABS, airbag, and transmission diagnostics
• Plug-and-play connection
• Durable diagnostic cable design
• Suitable for workshops and BMW technicians
• Important adapter for classic BMW models

Common Uses

• BMW diagnostics
• Fault code reading
• Fault code clearing
• Engine diagnostics
• Transmission diagnostics
• ABS diagnostics
• Airbag / SRS diagnostics
• Module communication
• Service troubleshooting
• Connecting OBD2 scanners to older BMW 20-pin port

Compatible Models

Commonly used with BMW models equipped with a 20-pin diagnostic connector, including:

• BMW E36
• BMW E39
• BMW E46
• BMW E53
• Other compatible BMW models with round 20-pin diagnostic port

Compatibility depends on vehicle model, year, diagnostic port type, and scanner support.

Package Includes

• 1 × BMW 20 Pin to OBD2 16 Pin Diagnostic Cable Adapter

Important Notes

This is an adapter cable only. A compatible diagnostic scanner or BMW diagnostic interface is required. Supported functions depend on the vehicle, scanner, software, and available control modules. Please confirm compatibility before purchase.