E46-Cooling

Are you looking to push some serious air? There is no denying that BMW does not always have the best cooling systems. In fact one of the first thin...

BMW isn't known to have the most robust coolant systems, but most of this can be fixed with regular preventative maintenance.  If you want to take ...

A very popular upgrade for track cars. By replacing your original 92 degree thermostat with a 80 degree thermostat, you are allowing the coolant to...

Bleeding your M5x engine can be a nightmare at times. BMW set up their cooling system with an external reservoir and bleeder screw. The problem wi...

What do you get the guy that has everything? The final touch to his fan clutch delete. This machined cap is anodized black and covers the threads o...

A very popular upgrade for track cars. By replacing your original 92 degree thermostat with a 71 degree thermostat, you are allowing the coolant to...

The OEM BMW water pump pulley on the M5x series of engines is plastic and can easily become brittle and break.  We have been selling our aluminum w...

The aluminum thermostat housing for the M5x/S5x engine familly is a very common upgrade. The stock thermostat housing is plastic and can crack ove...

The stock water pump pulley is plastic from the factory and has been known to crack over time from heat cycles and stress. The water pump is an imp...

CSF Radiators are known to be the cooling experts, and this all aluminum E46 M3 radiator is no exception. CSF Radiators are made from military grad...

CSF Radiators are known to be the cooling experts, and this all aluminum E46 radiator is no exception. CSF Radiators are made from military grade a...

CSF has really set its place in the market as one of the most premier cooling specialists available. Everyone thinks about radiators but often over...

Koyorad quality is a direct result of their privately owned factories which allow Koyorad Japan to oversee each stage of radiator production. The n...

Koyorad quality is a direct result of their privately owned factories which allow Koyorad Japan to oversee each stage of radiator production. The n...