Engine Crankcase Ventilation Hose

Compatible with BMW 1 (F20) , BMW X1 (E84) , BMW 5 (F10) Show more info
This hose connects the engine crankcase to the ventilation system, ensuring proper gas circulation and emission control.
25.57 EUR
inc. VAT 21%
In stock 10
Delivery 1 day (15.05.2026)
PN 503 259
Make TOPRAN

The TOPRAN 503 259 is a vital component for your vehicle's engine crankcase ventilation system. It is designed to facilitate the flow of gases from the crankcase, preventing pressure buildup and promoting efficient engine operation. Proper functioning of this hose is crucial for managing emissions and maintaining the overall health of your engine. It helps to remove harmful blow-by gases and recirculate them back into the combustion process, reducing environmental impact. Crafted with durable materials, this ventilation hose is built to withstand the demanding conditions within the engine bay. Its precise fit ensures easy installation and reliable performance, making it a dependable choice for your vehicle's maintenance needs.

  • Ensures proper crankcase ventilation
  • Helps control engine emissions
  • Prevents pressure buildup in the crankcase
  • Durable construction for longevity
  • Designed for a precise fit
  • Supports efficient engine operation
  • Part of the emission control system
Protective tube material
Foam plastic
Material
PA 66 GF 30
Material
Plastic
Type of hose
Return pipe
  • BMW
    • 1 (F20)
      • 125 i (160kW/218PS)
      • 125 i (175kW/238PS)
    • X1 (E84)
      • xDrive 28 i (180kW/245PS)
      • sDrive 20 i (135kW/184PS)
      • xDrive 20 i (135kW/184PS)
      • sDrive 16 i (105kW/143PS)
    • 5 (F10)
      • 520 i (135kW/184PS)
      • 528 i (180kW/245PS)
      • 528 i xDrive (180kW/245PS)
    • 5 Touring (F11)
      • 520 i (135kW/184PS)
      • 528 i (180kW/245PS)
      • 528 i xDrive (180kW/245PS)
    • Z4 Roadster (E89)
      • sDrive 20 i (135kW/184PS)
      • sDrive 28 i (180kW/245PS)
      • sDrive 18 i (115kW/156PS)
    • X3 (F25)
      • xDrive 20 i (135kW/184PS)
      • sDrive 20 i (135kW/184PS)
      • sDrive 20 i (125kW/170PS)
    • 3 (F30, F80)
      • 328 i (180kW/245PS)
      • 320 i (135kW/184PS)
      • 320 i xDrive (135kW/184PS)
      • 328 i xDrive (180kW/245PS)
    • 4 Coupe (F32, F82)
      • 420 i (135kW/184PS)
      • 420 i xDrive (135kW/184PS)
      • 428 i (180kW/245PS)
      • 428 i xDrive (180kW/245PS)
    • 3 Touring (F31)
      • 320 i (135kW/184PS)
      • 328 i (180kW/245PS)
      • 328 i xDrive (180kW/245PS)
      • 320 i xDrive (135kW/184PS)
    • 2 Coupe (F22, F87)
      • 220 i (135kW/184PS)
      • 228 i (180kW/245PS)
    • 1 (F21)
      • 125 i (160kW/218PS)
      • 125 i (175kW/238PS)
    • 3 Gran Turismo (F34)
      • 320 i (135kW/184PS)
      • 328 i (180kW/245PS)
      • 320 i xDrive (135kW/184PS)
      • 328 i xDrive (180kW/245PS)
    • 4 Kabriolets (F33, F83)
      • 420 i (135kW/184PS)
    • 4 Gran Coupe (F36)
      • 420 i xDrive (135kW/184PS)
    • 2 Kabriolets (F23)
      • 220 i (135kW/184PS)
      • 228 i (180kW/245PS)
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