Bmw E46 Coolant Reservoir

Buy BMW 17117573781 Coolant Reservoir Expansion Tank for E46, E83 & E53: Coolant Recovery Kits. 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. This coolant reservoir is for the non-M E46 3-series models from 1999-2006 (M3 takes a different expansion tank).

We have found that the expansion tanks should be replaced based on age as well as condition. Our E46 M3 Aluminum Expansion Tanks by Moroso completely solve the common problem with the factory plastic tanks that get brittle over time and fail. When this occurs, you dump a lot of coolant, and that can cause a whole list of problems.

Fits: BMW E46 M3, '01-'06 Direct bolt-in replacement to stock, cracked or discolored tanks Fabricated Aluminum for strength, factory tanks fail after repeated high heat situations No cutting of factory hoses is required and accepts the factory clip-o. Engine Coolant Recovery Reservoir Expansion Coolant Tank + Cap with Sensor + Thermostat for 1999. A common source of overheating problems is a broken or leaking coolant expansion tank.

Replace it with an OEM coolant expansion tank or quality aftermarket expansion tank to prevent future woes. 4) Begin to fill your expansion tank with ideally a 50/50 mix of Genuine BMW coolant and distilled water (do not use anything else--no reason to. The proper stuff is cheap) The system might take a while to swallow the water.

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. Replacing the coolant reservoir in a BMW E46 is a straightforward task that can be completed in less than an hour.

This guide will provide step -by-step instructions on how to change coolant reservoir bmw e46, ensuring your vehicle operates at optimal performance.