BMW Error Code P1473: How to Fix It

Q: Can I drive my BMW with P1473 error code?

Yes, you can typically drive with P1473 as it's a low-severity code that won't cause immediate engine damage. However, you may fail emissions testing and should address it promptly to prevent potential fuel system issues.

Q: What causes BMW P1473 tank vent valve problems?

Common causes include electrical connection corrosion, valve motor failure, blocked vacuum lines, or contamination from fuel additives. Age and mileage naturally contribute to valve wear over time.

Q: How much does it cost to fix BMW P1473?

DIY repair typically costs $50-150 for the valve plus any needed vacuum lines. Professional repair at a BMW dealer can range from $300-600 including labor and diagnostic fees.

Q: Will P1473 cause my BMW to fail emissions test?

Yes, P1473 is an emissions-related code that will typically cause your BMW to fail state emissions testing. The code must be resolved and the system must complete its readiness monitors before passing.

Abstract

BMW error code P1473 indicates a problem with the tank vent shut-off valve in your vehicle's evaporative emission (EVAP) system. This valve controls fuel vapor flow from the gas tank to prevent environmental pollution and maintain proper fuel system pressure.