Cooling system reliability is paramount, whether you are pushing hard on the track or commuting daily. The expansion tank hose is a known failure point in modern cooling systems, where heat stress and pressure degrade inner liners, soft spots form, and unexpected leaks occur under load. Prevent catastrophic overheating and keep your cooling system sealed tight with a high-grade expansion tank hose engineered by Burgaflex.
Burgaflex brings proven European thermal management engineering to this essential replacement part. Built using advanced, heat-resistant hose compounds, this expansion tank hose maintains structural integrity under extreme thermal load and pressure fluctuations, ensuring consistent fluid transfer to your expansion reservoir. It installs seamlessly into original equipment routing without binding or distortion, making it a critical item for any preventive cooling system overhaul or track-prep routine.
Key Features
Designed specifically for rigorous thermal cycles and high-temperature environments encountered during spirited driving.
Maintains precise coolant pressure and fluid transfer to prevent air locks and overheating.
Constructed with heavy-duty reinforced hose walls to eliminate swelling or collapsing under vacuum and pressure.
Manufactured to strict OE quality standards for an exact fit and reliable long-term performance.
Perfect for track preparation, emergency repairs, or complete cooling system refreshes.
Specifications
Part Number: BF 20055
Component Type: Engine Coolant Expansion Tank Hose
Manufacturer: Burgaflex
Material: Heat and Chemical Resistant Synthetic Rubber Compound
Installation Location: Between Coolant Expansion Tank and Engine Cooling Loop
Fitment Standard: Direct Fit / OE Equivalent Assembly
Prop 65 Warning
Cross Reference
17 12 7 508 013
Product Q&A
Lifetime Replacement
This product is not eligible for Lifetime Replacement
Fits These Cars
MAKE
MODEL
SUBMODEL
ENGINE
Special Fitment Notes
BMW
E65
745i
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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