E39-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 t...

We probably get more questions about how to wire up an electric fan properly than anything else. Because of this, we put together a SPAL EZ fan rel...

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

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...

If you are looking for a way to tap into your coolant system to install an aftermarket temperature gauge, than look no further. We use a brand new...

There is no denying that SPAL electric fans are a great upgrade over the stock electric fan or mechanical clutch fun. But purchasing the fan is on...

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...

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 ...

BMW recommends to use their coolant in every BMW and we cant agree more. We have seen some nasty things happen when customer cars come in with the...

Mixing the best of both worlds. Our regular tapped aluminum thermostat housing has become a fan favorite to easily add an aftermarket coolant gauge...

Let's face it, there are a lot of BMW cooling jokes. Without proper maintenance BMWs can have a weak cooling system. Even after its done right, t...

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...