Over time, constant heat cycling and oil exposure cause original crankcase ventilation hoses to turn brittle and crack. Damaged breather lines introduce unmetered air into your engine, resulting in severe vacuum leaks, rough running, misfires, and improper crankcase pressure relief. This Burgaflex cylinder 5-8 crankcase vent line provides a seamless replacement engineered for long-term durability and reliable performance under high thermal loads. Designed to meet strict European manufacturing standards, it retains identical connection geometry to keep your engine running smoothly and performing as intended.
Engineered to eliminate vacuum leaks and restore proper engine performance
Built with premium oil- and temperature-resistant compounds for long-term reliability
Direct factory replacement requiring no custom fitting or cutting
Protects against unmetered air entry and improper crankcase pressurization
Manufactured to strict OEM-level quality standards
Brand: Burgaflex
Part Number: BF 20042
Product Category: Crankcase Ventilation System / Breather Hose
This product is not eligible for Lifetime Replacement
Fits These Cars
MAKE
MODEL
SUBMODEL
ENGINE
Special Fitment Notes
BMW
E53
X5
N62 4.4L
Use vehicle selector to confirm fitment
BMW
E60
545i
N62 4.4L
Use vehicle selector to confirm fitment
BMW
E63
645Ci
N62 4.4L
Use vehicle selector to confirm fitment
BMW
E64
645Ci
N62 4.4L
Use vehicle selector to confirm fitment
BMW
E65
745i
N62 4.4L
Use vehicle selector to confirm fitment
BMW
E65
B7 Alpina
N62 4.4L
Use vehicle selector to confirm fitment
BMW
E66
745Li
N62 4.4L
Use vehicle selector to confirm fitment
*The above product applications have been written by Turner Motorsport. All
warranties, product application, fitment, and performance are the responsibility of Turner Motorsport.
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