Crankcase Breather Hose

Product Details

When you're pushing your BMW on the road or track, reliable crankcase ventilation is critical to maintaining peak power output and consistent engine performance. A cracked or degraded crankcase breather hose creates unwanted vacuum leaks and unstable air-fuel ratios that degrade throttle response and trigger faults in your N54 or N55 engine.

This replacement Crankcase Breather Hose from Febi Bilstein delivers the exact tolerances and durability required to keep your BMW’s PCV system sealed tight under boost. Crafted to match original factory dimensions, it routes directly from the crankcase ventilation valve to the intake manifold, eliminating air leaks and ensuring clean combustion control. Keep your BMW executing at its full potential with a quick, high-grade fix.

Key Features

• Replaces failed OE hose to eliminate vacuum leaks and rough engine operation

• Preserves optimal PCV system pressure control under turbocharged loads

• Precision-molded connectors ensure leak-free seal and exact alignment

• Constructed to resist oil exposure, crankcase vapors, and thermal stress

• Direct plug-and-play installation for BMW N54 and N55 applications

Specifications

• Brand: Febi Bilstein

• Part Number: 193745

• BMW OE Reference Number: 11 12 7 584 128

• Product Type: Crankcase Ventilation Hose

• Installation Position: PCV Valve to Intake Manifold

• Material: Durable Plastic

• Inner Diameter (Connection 1): 16 mm

• Inner Diameter (Connection 2): 16 mm

• Overall Length: 150 mm

Prop 65 Warning

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