definitely annoying
Typical Repair Cost:
No data
Average Mileage:
49,750 miles
Total Complaints:
1 complaints

Most common solutions:

  1. replace fuel tank breather valve aka purge valve (1 reports)
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problem #1

Oct 172023

X1 XDRIVE28I 2.0L Straight 4

  • Automatic transmission
  • 49,710 miles

click to see larger images

evaporative emission (evap) system

Received a check engine light, scanned the car, DTC fault codes were P0440 [0x0440], P0446 [0x0446]

Evaporative emission (EVAP) system, vent control - circuit malfunction

Evaporative Emission System Vent Control Circuit

Replace the fuel tank breather valve as suggested by lot of forums and facebook groups. and problem was solved after a few drives and reset of the DTC codes

- Kenneth W., toronto, ON, Canada