Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
1982 BMW 320i Automatic TransFACTORY OEM SERVICE PROCEDURE
Cold Engine Control Pressure Test
- Testing must be done on cold engine. Unplug connectors at auxiliary air valve and control pressure regulator. Place valve on pressure gauge in open position and operate fuel pump.
- Check pressure quickly. Reading should fall in shaded area of graph. Be sure to check air temperature and read correct area of graph. See Figure.
- If control pressure is not correct, retest with new control pressure regulator. No servicing is possible.NOTE: Some models have a control pressure regulator with atmospheric pressure compensation. Pressures may vary slightly on these models.
Factory Service Tools
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.
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