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 to...

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...

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...

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...

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...

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

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...

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 onl...

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...

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 ...

SUPERCOOL® CONCENTRATE - GALLON; Enhances heat transfer, reducing operating temperatures by up to 20°F, 5 year / 150,000 mile protection,Safe for c...

If your thermostat housing is leaking, it is most likely this gasket.  This fits in the groove of your thermostat housing which sandwiches between ...

Your OEM mechanical fan is a crucial part to your BMWs coolant system.  When the fan fails, it will prevent the fan from spinning which can cause o...

BMWs aren't exactly known for their coolant systems, which is exactly why it is good preventative maintenance to replace your old worn out water pu...

Replace your old, cracked, or bulging lower radiator hose with this high quality OE replacement. Replaces BMW PN 11531705224 Fitment: 525i 2001-20...

Replace your old, cracked, or bulging upper radiator hose with this high quality OE replacement. Replaces BMW PN 11531705223 Fitment: 525i 2001-20...

Pentosin PENTOFROST NF (G11) Coolant - 1.5 liters (Formerly LONGTIME ANTIFREEZE G11) Color: Blue/ With SilicatesConcentrate: Full Strength - Recomm...

Zerex G-48 Premix 50/50 Antifreeze/Coolant, 1 Gallon Valvoline™ ZEREX™ G-48™ Antifreeze/Coolant provides unsurpassed protection for vehicles requir...

Zerex G-48 Concentrate Antifreeze/Coolant, 1 Gallon Valvoline™ ZEREX™ G-48™ Antifreeze/Coolant provides unsurpassed protection for vehicles requiri...

The coolant expansion tank on the M5x engines are a crucial part to your cooling system.  Unfortunately BMW made these out of plastic and over time...

Is your BMW constantly showing low coolant even though your expansion tank is full?  Your coolant level sensor has most likely failed.  Replace you...

Your OEM mechanical fan clutch is a crucial part to your BMWs coolant system.  When the fan clutch fails, it will prevent the fan from spinning whi...

CSF Radiators are known to be the cooling experts, and this all aluminum E39 radiator is no exception. CSF Radiators are made from military grade a...