Ventilation/Exhaust Valve, Fuel Tank

Compatible with BMW 3 Touring (E91) , BMW 3 Compact (E46) , BMW 3 (E46) Show more info
This TOPRAN ventilation/exhaust valve is designed for your fuel tank system. It ensures proper pressure regulation and emissions control.
30.41 EUR
inc. VAT 21%
In stock 2
Delivery 1 day (14.05.2026)
PN 503 921
Make TOPRAN

The TOPRAN 503 921 is a crucial component for the fuel tank's ventilation and exhaust system. It plays a vital role in managing pressure buildup within the tank, preventing potential damage and ensuring safe operation. This valve also contributes to controlling fuel vapors released into the atmosphere, helping to meet environmental regulations. Its design ensures reliable performance and longevity, making it a dependable choice for your vehicle's fuel system. Proper functioning of the ventilation/exhaust valve is essential for maintaining the integrity of the fuel tank and the overall efficiency of your vehicle's emissions control system.

  • Direct replacement for original part
  • Ensures proper fuel tank pressure regulation
  • Helps control fuel vapor emissions
  • Designed for durability and long service life
  • Manufactured by TOPRAN
  • Part code: 503 921
Valve type
Electromagnetic valve
Valve type
Recirculation valve
Operating mode
electric
Number of pin contacts
2
  • BMW
    • 3 Touring (E91)
      • 318 i (100kW/136PS)
      • 320 i (110kW/150PS)
      • 318 i (95kW/129PS)
    • 3 Compact (E46)
      • 316 ti (85kW/115PS)
      • 318 ti (105kW/143PS)
    • 3 (E46)
      • 318 i (105kW/143PS)
      • 316 i (85kW/115PS)
    • 3 Coupe (E46)
      • 318 Ci (105kW/143PS)
      • 318 Ci (110kW/150PS)
    • 3 Kabriolets (E46)
      • 318 Ci (105kW/143PS)
      • 318 Ci (110kW/150PS)
    • 3 (E90)
      • 320 i (110kW/150PS)
      • 318 i (95kW/129PS)
      • 320 si (127kW/173PS)
    • Z4 Roadster (E85)
      • 2.0 i (110kW/150PS)
    • X3 (E83)
      • 2.0 i (110kW/150PS)
    • 1 (E81)
      • 120 i (115kW/156PS)
    • X1 (E84)
      • sDrive 18 i (110kW/150PS)
    • 1 Kabriolets (E88)
      • 120 i (115kW/156PS)
    • 1 (E87)
      • 120 i (110kW/150PS)
      • 120 i (115kW/156PS)
    • 5 (E60)
      • 520 i (115kW/156PS)
    • 3 Kabriolets (E93)
      • 320 i (115kW/156PS)
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