TOPRAN 503 734 Crankcase Ventilation Hose

Compatible with BMW 5 (E60) , BMW 5 Touring (E61) , BMW 3 (E90) Show more info
This hose connects the crankcase to the cylinder head cover for proper ventilation. Ensures efficient engine operation and emission control.
22.23 EUR
inc. VAT 21%
In stock 6
Delivery 1 day (13.05.2026)
PN 503 734
Make TOPRAN

The TOPRAN 503 734 Crankcase Ventilation Hose is designed to facilitate the flow of gases from the engine's crankcase to the cylinder head cover. This essential component plays a crucial role in the crankcase ventilation system, helping to reduce pressure buildup within the engine. By effectively managing these gases, the hose contributes to cleaner emissions and prevents the accumulation of harmful contaminants. Its durable construction ensures reliable performance and longevity under typical engine operating conditions. Proper functioning of this ventilation hose is vital for maintaining the overall health and efficiency of your engine. It helps to prevent oil leaks and ensures that the engine operates smoothly and within its designed parameters.

  • Direct fit for specific vehicle applications
  • Facilitates crankcase ventilation
  • Helps reduce internal engine pressure
  • Contributes to emission control
  • Durable construction for longevity
  • Ensures smooth engine operation
  • Prevents oil leaks caused by pressure buildup
Additional article/Additional info 2
with protective hose
Additional article/Additional info 2
with sealing ring
Installation side
from the cylinder block to the oil separator
Material
Plastic
Additional article/Additional information
with a high-speed coupling
  • BMW
    • 5 (E60)
      • 525 xi (160kW/218PS)
      • 530 xi (190kW/258PS)
    • 5 Touring (E61)
      • 525 xi (160kW/218PS)
      • 530 xi (190kW/258PS)
    • 3 (E90)
      • 330 xi (190kW/258PS)
    • 3 Touring (E91)
      • 330 xi (190kW/258PS)
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