The BMW 320i, one of the BMW 3 series models, works with an OBD-II scanner to read engine problems. This scanner plugs into an outlet under the dashboard on the driver's side of the car and interfaces with the engine computer to determine the problem your vehicle suffers from without requiring you to open the bonnet and examine the engine. Once you determine the problem, replace or adjust the broken engine part to quickly get your BMW 320i back on the road.
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Things you need
- OBD-II Scanner
- Pencil and paper
Make sure your BMW 320i has a full tank of gas.
Open the driver-side door of your BMW 320i and examine the area under the dashboard. Locate the OBD-II outlet, on the left side of the kick panel. Insert the plug of an OBD-II scanner into the outlet.
Sit in the driver's seat and hold the scanner. Start your BMW 320i's engine.
Watch the scanner and wait for it to read the engine for codes.
Copy down each code the scanner displays
Convert each code to its meaning. Refer to the instructions manual included with your scanner. For example, a code that contains an E and a C in a small box signifies a problem with the electric clutch. There are many codes possible.
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