Cooling

135/335 Oil Cooler Kit -- Oil cooling is always an issue on a turbo car and unfortunately, the stock oil cooler (if you have one - early 335s didn't!) just isn't up to the task for aggressive street use and absolutely unacceptable if your car will see the track. The results . . .
Buy Now

Aluminum Fluid Catch Can -- This catch can, machined from T6061 aluminum, give you the ultimate in flexibility. Suggested for use with coolant, engine breathers, transmission/differential, etc. Do not mix fluids - a separate catch can should be used for coolant . . .
Buy Now

Aluminum Thermostat Housing -- The factory produced these parts in plastic, which is good for a few years. But eventually, the flexibility fades and the plastic becomes brittle. This means this part will crack and break - often leaving you stuck. Replace the factory piece with . . .
Buy Now

BimmerWorld E36 Aluminum Radiator -- Ditch the factory radiator with plastic end-tanks that are so prone to getting brittle and breaking over time. Our aluminum unit is a direct replacement that uses factory mounting points, fan shroud, and hoses. End-tanks are welded (no epoxy!) for durability . . .
Buy Now

BimmerWorld Silicone Hose Kits -- These BimmerWorld hose kits are designed to replace the original equipment hoses in your performance BMW car. Silicone hoses (3 layer polyester core) are much more durable than stock, hold more pressure, and retain their flexibility longer. Kit . . .
Buy Now

C&R Aluminum Racing Radiator, E46 Low-Mount -- This is the radiator we used on our E46 World Challenge cars and currently use in E46 M3 and other E46 fitments. Increase cooling capacity and lower center of gravity with this dual-pass piece. Also allows mounting of oil cooler and/or intake . . .
Buy Now

Coolant Expansion Tank -- For replacement of aged, cracked, or otherwise deformed coolant expansion tanks. Recommended replacement interval is 100,000 miles.
Buy Now

Coolant Hose Kit -- These kits are more complete than what you'll find elsewhere, including all but the very small lines where bulk hose is used. Kits are also available without the heater core hoses or the throttle body heating hoses, recommended for those who plan to block . . .
Buy Now

Coolant Level Sensor -- Call for additional fitments.
Buy Now

E28 M5 Oil Cooler -- Upgrade for better oil cooling in an E30 M3. Must have for the track! Genuine BMW part.
Buy Now

E30 M3 Oil Cooler
Buy Now

E36 3 Series Cooling System Overhaul Kit -- This kit fits 6 cylinder E36 3 Series cars (92-98 323, 325, 328, and M3, including all 1999 2 door and convertible). This kit will not fit the Z3/MZ3. Kit includes all the common preventative maintenance parts to keep your cooling system from failing . . .
Buy Now

E36 6-Cyl Engine Fan Delete Kit -- This simple kit allows you to remove your engine cooling fan. By lowering your engine operating temperature with a cooler thermostat and turning on your electric auxiliary fan at a lower temperature, proper engine cooling is still maintained, without . . .
Buy Now

E36 6-Cyl Euro Oil Cooler -- Install the oil cooler found in Euro E36 M3's in your E36 323, 325, 328, or M3 for better longevity and increased resistance to oil breakdown. A must for turbo and supercharged cars, and recommended for any track car that sees outside temps of 100+ degrees. . . .
Buy Now

E36 6-Cyl Euro Oil Cooler - Filter Housing ONLY -- Euro E36 oil filter housing assembly to allow installation of an external oil cooler. Includes filter housing (tapped properly for Vanos line) , filter, and gasket. Fits E36 323, 325, 328, or M3 and 6-cylinder Z3 (single Vanos).
Buy Now

E36 Euro Coolant Reservoir -- Perfect for race applications where a catch tank and overflow is required. Also aids in bleeding air from the coolant system. Includes reservoir and coolant cap. Install kit includes all hoses, pipes, and tubes, as well as a mounting kit to install . . .
Buy Now

E36/46 Oil Cooler Fitting Kit -- Convert your oil lines from the factory hardlines to a -10 AN fitting. Allows more flexibility in mounting and placement, as well as giving you a more robust hose than the factory piece with rubber sections. Fits E36 Euro oil cooler and filter housing . . .
Buy Now

E36/E46 Oil Cooler Diverter Valve -- Extremely important on E36 Euro and S54 engines! The factory oil cooler (found stock on E36 Euro M3 and S54 engines, also a common upgrade for others) have a thermostat that closes off the cooler path until the engine builds temp, then runs only . . .
Buy Now

Electric Fan Quick Mount Kit -- Works similar to a zip-tie. 4 straps, mounting feet, and pads included per kit.
Buy Now

Fan Relay Wiring Kit -- Includes complete harness and relay.
Buy Now

Fluidyne Aluminum Radiator, E36 and 1989+ E30 325i -- The BMW E36 stock radiator has an aluminum core, but the end tanks are make out of plastic which gets brittle and breaks over time, often in an inopportune moment. The full aluminum core and tank construction used in these Fluidyne units will prevent . . .
Buy Now

Gold Foil Protective Film -- The Gold Reflective Film is an aerospace material capable of reflecting 78% of all radiant heat with continuous operating temperatures of 450 degrees centigrade. The material . . .
Buy Now

M50 Coolant Block-Off Plate -- Block-off plate installs in rear of head for use with Euro coolant plumbing on US engines or for custom race plumbing. Also an excellent place to tap for engine coolant temp. Precision-cut aluminum, seals with RTV. Fits all US M50 6-cylinder engines, . . .
Buy Now

Motorsport Thermostat - E46 M3/ E36 Euro M3 -- A must for a tracked car in an area with higher temperatures. We have found that the cooler you can make these engines run, the more power you will have. Your car may take longer to get warm in the winter in colder areas of the country. Fits all . . .
Buy Now

OBD-I Coolant Adaptor Pipe -- Commonly used in OBD-I conversions. Adapt the OBD-II style hardpipe to the rubber hose version found on engines -1995. Our CNCed piece is a direct fit into your front timing cover. Seal with epoxy and you are done.
Buy Now

Performance Thermostat - E36 -- Cooler engines make more power and reduce stress on the cooling system. E36 cars came stock with either 88 or 92 degree C thermostats. Fits all 1992-1998 323, 325, 328, and 6cyl Z3, all E36 M3, and S52 MZ3.
Buy Now

PWR Aluminum Radiator, E30 M3 -- PWR is the leading Australian radiator manufacturer with applications ranging from OEM production radiators to high end performance parts. The PWR racing pedigree is proven every year as the supplier to 95% of the cars in the Australian V8-Supercar . . .
Buy Now

PWR Aluminum Radiator, E36 and 1989+ E30 325i -- PWR is the leading Australian radiator manufacturer with applications ranging from OEM production radiators to high end performance parts. The PWR racing pedigree is proven every year as the supplier to 95% of the cars in the Australian V8-Supercar . . .
Buy Now

PWR Aluminum Radiator, E46 M3 -- PWR is the leading Australian radiator manufacturer with applications ranging from OEM production radiators to high end performance parts. The PWR racing pedigree is proven every year as the supplier to 95% of the cars in the Australian V8-Supercar . . .
Buy Now

Radiator -- Our most popular applications are listed below and available online. Please call or email if you don't see what you need. We also stock less expensive radiators from Nissen, FHE, and others for some applications - please contact us for pricing. Nissen . . .
Buy Now

Radiator Hoses - 3 Series and Z3 -- Stock replacement hoses. NOTES: E30 318is (M42) includes BOTH lower hoses E46 and newer Z3 hoses include plastic ends
Buy Now

Samco Silicone Hose Kits -- The Samco Sport hose kits are designed to replace original equipment in a wide range of performance vehicles, both in motorsport and fast road use. Superb integrity and superior performance reduces the risk of component failure and enables higher temperatures . . .
Buy Now

SPAL Electric Fan -- Requires removal of mechanical engine fan. Curved fans move more air and operate more quietly. Fan Mounting Size CFM 13" 13.62" x 14.17" 920 13" Curved 13.62" . . .
Buy Now

Stewart Components Performance BMW Water Pump - E36/E46 -- Now with a Limited Lifetime Warranty! click for details Absolutely the best water pump ever produced for a BMW car. Stewart Components is the leading producer of water pumps for NASCAR, Ford and Chevy V-8 domestic racers, as well as many newer electric . . .
Buy Now

Thermostat -- Other models available, please call for fitment.
Buy Now

VAC Billet Remote Oil Filter Block -- Specially designed for BMW race engines! This piece is machined from 6061-T6 aluminum for durability and is a direct replacement for the factory oil filter housing. Included bracket maintains alternator and power steering locations. Designed . . .
Buy Now

Water Pump Shaft Nut -- This is a small aluminum nut used when the stock water pump driven fan is removed. It will protect the threads on the end of your water pump from damage and give a clean nicer appearance to the front of your engine. These are a great addition to our . . .
Buy Now

Water Pumps -- OEM replacement parts, includes gasket. We provide the best water pump available for your car. Our most popular units are listed below, please call or email if you can't find your application. Notes: We replace . . .
Buy Now