About this item 💝【Please Read Carefully before Purchasing】▶Before purchasing, please confirm that your diagnostic scanner comes with a built-in power supply; otherwise, your scanner will not be able to turn on. The 20-Pin OBD1 port scheme does not provide a power supply. This is just an adapter cable ONLY, not a diagnostic scanner. We can only ensure that your scanner communicates properly with your car. Certain features depend on whether your scanner or car supports them. ✅【20 Pin Extension Cable for BMW】The 12-Pin OBD1 male to 16-Pin OBD2 female adapter has high practicality. Our OBD1 scanner connector is a male-to-female extension cable designed to connect your diagnostic scanner and vehicle to perform a range of advanced functions, such as reading/cleaning codes, ECU coding, full system diagnostics, offerirectional control, etc. ✅【Wide Compatibility】The diagnostic adapter will work on the following OBD models with 20 Pin ports: E28, E30, E32, E34, E36, E38, E39, E46, E52, E53, R50, R52, R53. ✅【15.75inch Length, Reduce Wear and Tear for Your Car】Our 20pin to OBD2 16pin connector works perfectly with scanning software, ensuring stable transmission without interference. Functioning as an extension cord (Total 15.75inch/40cm length) can reduce wear and tear on the OBD connector caused by frequent plugging and unplugging, protecting your vehicle's OBDII connector. ✅【Easy to Use, Plug & Play】It only takes two steps to connect easily. Our OBD1 to OBD2 adapter cable connector replacement is user-friendly—just plug and play, no driver required. Simply connect your vehicle with an OBD1 20-pin socket to your existing OBD2 16-pin tool, ideal for attaching the scanner to your vehicles, especially for BMW. ✅【Industrial-Grade Heavy Duty Materials】Compared to other adapter cables, this 20 Pin extension cable for BMW is made of high-quality industrial-grade heavy-duty materials, ensuring durability and eco-friendliness. It can withstand 10000+ plug-and-unplug tests. The precision injection molding process guarantees reliable quality and a long service life. 🔰【Quality Certified】This OBD1 to OBD2 connector conforms to strict quality control standards, ensuring dependability. It is manufactured according to standard specifications and adheres to factory quality control measures. This 20 Pin BMW adapter cable features industrial-grade materials and heavy-duty connectors, providing stable and high-speed transmission. 📏【Package Dimensions】7.28 x 7.17 x 2.01 inches.