Bmw Coolant Expansion Tank

A BMW expansion tank ensures that your radiator is always full, even when cold, and provides a way for hot fluid to expand without releasing fluid on the road below you. Factory BMW tanks are made of plastic, and will eventually crack, leak and fail. BMW expansion tanks should be inspected during routine maintenance.

Buy BMW 17117573781 Coolant Reservoir Expansion Tank for E46, E83 & E53: Coolant Recovery Kits. On certain models, namely E36, E46, and E90, the factory BMW expansion tank is prone to either breaking at connection points or blowing apart altogether. If you're starting to feel like your expansion tank is on borrowed time, it's probably time to replace with either a direct OE replacement, or strengthen your cooling setup with an aluminum expansion tank.

I am replacing my expansion tank tomorrow. I have seen many threads on radiator removal and water pump repalcement etc. I just want to replace the expansion tank.

here's what I am thinking: 1. "Loosen" the fan shroud by releasing both plastic revets on left and right top corners of shroud. BMW coolant expansion tank parts online.

Buy OEM & Genuine parts with a Lifetime Warranty, Free Shipping and Unlimited 365 Day Returns. BMW E46 cooling system components include: Radiator and coolant overflow tank Belt driven coolant pump bolted to the front of the engine block Electric cooling fan attached to rear of radiator -- the cooling fan is controlled by the engine control module (ECM) via an output final stage Automatic transmission models: Belt driven fan attached to front of coolant pump. Its the quality of the expansion tank that is more important in getting proper warning of low coolant level.

There is a magnet on the expansion tank floater that triggers the level sensor and some aftermarket tanks don't work correctly with the level sensor. Function: The coolant tank contains coolant fluid that is discharged from the cooling system attached to the engine. Pressure builds up and released when the coolant is hot and expanding through the radiator and when the engine cools down, the excess fluid flows back into the radiator from the coolant tank of your vehicle.

The Moroso expansion tank for the E82 128i/135i, E9X 325i/328i/330i/335i, and E89 Z4 is a premium, race. Coolant expansion tank bulletin from BMW All times are GMT -5. The time now is 07:49 PM.