This title is a digital download. See below for details.

This title is a digital download. See below for details.

This title is a digital download. See below for details.

This title is a digital download. See below for details.

Oil Cooler Bypass: This part might just save a race or driver school weekend. If your oil cooler should be damaged or suffer a rupture, this little part can be substituted for the oil cooler and keep you in the hunt. Also, the bypass can make engine service with the oil cooler removed a lot safer and easier.

The bypass comes in two configurations. stock e36 M3 or MZ3, and with -10 AN fittings.. Please specify which is required.

Our E30 Quick Ratio Steering Kit is a popular upgrade among BMW enthusiasts. We are now making essential pieces available in a kit. Not necessary when purchasing the full ST-1, ST-2 or ST-3 kits

Our E30 Quick Ratio Steering Kit is a popular upgrade among BMW enthusiasts. We are now making essential pieces available in a kit. Not necessary when purchasing the full ST-1, ST-2 or ST-3 kits

Our E30 Quick Ratio Steering Kit is a popular upgrade among BMW enthusiasts. We are now making essential pieces available in a kit. Not necessary when purchasing the full ST-1, ST-2 or ST-3 kits

We have noted more M54 engine failures due to overheating than on any of BMW's previous engines. We believe this is due to a combination of factors including the electronic thermostat and high operating temperatures. Our M54 Competition Thermostat Plate Kit is designed to return the selection of normal engine operating temperature to the owner/builder and improve engine longevity by replacing the failure prone electronically-controlled thermostat with a mechanical unit. [See Full Description Below]

This aluminum shroud kit includes a 16 inch fan for additional additional cooling. It can be added to our E46 M3 Aluminum Radiator Type 11 or the factory radiator.

Radiators and shroud kits are built to order. Lead-time varies.

This aluminum shroud kit includes an offset 14 inch fan for additional additional cooling. It can be added to our E46 M3 Aluminum Radiator Type 11 or the factory radiator.

Radiators and shroud kits are built to order. Lead-time varies.

This shroud and expansion tank assembly is an excellent way to improve cooling while preserving the value of your current radiator investment. The shroud is adapted to fit a Spal 14″ MP fan assembly with stock mounting feet, which are sold separately. Offsetting the fan allows this kit to be used with various Super Charger kits.

Radiators and shroud kits are built to order. Lead-time varies.

For those who want to improve an e39 or e38 cooling system without replacing the radiator...we would like to introduce our newest cooling system upgrade. This shroud and expansion tank assembly is an excellent way to improve cooling while preserving the value of your current radiator investment. The shroud is adapted to fit a Spal 16" HP fan assembly with stock mounting feet, which are available separately. [See Full Description Below]

Radiators and shroud kits are built to order. Lead-time varies.

The Zionsville Autosport high capacity engine oil cooler fits the 2001-2002 BMW Z3 S54 M Roadster or M Coupe. It will also fit European E36 M3s, vehicles retrofitted with S54 M Roadster radiators or the Zionsville Autosport type #4 radiator.

Our Type 1 Radiator is a direct replacement for late e30s and e36 three series models. It fearures 65% increaded fluid capacity, better dissipating materials over stock and a lifetime warranty. [See Full Description Below]

Radiators and shroud kits are built to order. Lead-time varies.

Install a quick ratio steering rack into your E30 3 Series. The standard E30 rack is 4.0 turns lock to lock (20.5:1). The ST-1 package reduces this to 3.25 turns (15.6:1). [See Full Description Below]

Install a quicker E36 steering rack into your E30 3 Series. The standard E30 rack is 4.0 turns lock to lock (20.5:1). The ST-2 package reduces this to 3.0 turns (14.9:1). [See Full Description Below]

Our E31 aluminum radiator is a direct replacement for the 1994-95 850csi. It fearures all aluminum construction for better dissipation over the stock unit. And it's backed by a lifetime warranty. [See Full Description Below]

Radiators and shroud kits are built to order. Lead-time varies.

Our E32 aluminum radiator is a direct replacement for the 1993-94 740i, 1993-94 740il. It fearures all aluminum construction for better dissipation over the stock unit. And it's backed by a lifetime warranty. [See Full Description Below]

Radiators and shroud kits are built to order. Lead-time varies.

Our E34 aluminum radiator is a direct replacement for 1994-95 530s and 540s. It fearures all aluminum construction for better dissipation over the stock unit. And it's backed by a lifetime warranty. [See Full Description Below]

Radiators and shroud kits are built to order. Lead-time varies.

Our Type 2 Radiator is a direct replacement for the stock Z3 radiator. It fearures 65% increaded fluid capacity, better dissipating materials over stock and a lifetime warranty. [See Full Description Below]

Radiators and shroud kits are built to order. Lead-time varies.

Our Type 4 Radiator is a direct replacement for the e36 three series. It fearures increaded fluid capacity, better dissipating materials over stock and a lifetime warranty. This version also has two rows removed and mounting provisions to accommodate a factory oil cooler (not included). [See Full Description Below]

Radiators and shroud kits are built to order. Lead-time varies.

Install a quicker E36 steering rack into your E30 3 Series. The standard E30 rack is 4.0 turns lock to lock (20.5:1). The ST-3 package reduces this to 2.7 turns (13.9:1). [See Full Description Below]