TOPRAN 503 258 Crankcase Ventilation Hose

Compatible with BMW 3 Touring (E91) , BMW 1 (E81) , BMW Z4 Roadster (E85) Show more info
This is a crankcase ventilation hose for your vehicle. It ensures proper ventilation of the crankcase.
27.90 EUR
inc. VAT 21%
In stock 4
Delivery 1 day (14.05.2026)
PN 503 258
Make TOPRAN

The TOPRAN 503 258 is a replacement crankcase ventilation hose designed to maintain the optimal functioning of your engine's crankcase ventilation system. Proper crankcase ventilation is crucial for engine health. It helps to remove harmful blow-by gases and moisture that can accumulate inside the crankcase. This prevents pressure buildup and reduces the risk of oil contamination and sludge formation. This hose is manufactured by TOPRAN, a known supplier of automotive parts, ensuring a fit and function comparable to the original equipment. Replacing a damaged or clogged ventilation hose can help restore engine performance and longevity.

  • Direct replacement for original equipment hose
  • Ensures proper crankcase ventilation
  • Helps remove blow-by gases and moisture
  • Prevents pressure buildup in the crankcase
  • Reduces risk of oil contamination and sludge
  • Manufactured by TOPRAN for reliable performance
  • Restores engine performance and longevity
Additional article/Additional info 2
with sealing ring
Type of hose
Return pipe
  • BMW
    • 3 Touring (E91)
      • 318 i (100kW/136PS)
    • 1 (E81)
      • 116 i (85kW/115PS)
      • 120 i (115kW/156PS)
    • Z4 Roadster (E85)
      • 2.0 i (110kW/150PS)
    • X3 (E83)
      • 2.0 i (110kW/150PS)
    • 3 (E90)
      • 320 si (127kW/173PS)
    • X1 (E84)
      • sDrive 18 i (110kW/150PS)
    • 1 Kabriolets (E88)
      • 120 i (115kW/156PS)
    • 1 (E87)
      • 116 i (85kW/115PS)
      • 120 i (115kW/156PS)
    • 5 (E60)
      • 520 i (115kW/156PS)
    • 3 Kabriolets (E93)
      • 320 i (115kW/156PS)
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