Package Includes all O Rings for Connections Below:
Upper and lower radiator hoses
Expansion tank (Bottom, Large one)
Expansion tank (Bottom, Smaller one)
Expansion tank (Top, Smaller Hose)
Heater & return hose connections
Heater pipe connections
Temperature sensor
Coolant bleeder screw
Coolant drain screw
Automatic transmission Heat Exchange connection

Fitment: Fits For BMW 1997 to 2006 E46 320i 323i Ci 325i Ci Xi 328i Ci 330i Xi Ci M Coupe or EURO 316 318 320 Base Sedan Wagon Convertible 2.5L 3.0L l6 GAS DOHC Naturally Aspirated