BMW Brake Cooling Ducts & Backing Plates for BMW E30 M3 S14 2.3L

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Plan on tracking your car? Going to be using real track/race pads? You're going to need brake cooling ducts and hose. Brakes create lots of heat and temps can rise to damaging levels. Excessive heat will burn up caliper seals and dust boots, boil brake fluid, lead to rapid pad wear, inconsistent pedal feel, damage rubber boots on suspension ball joints, and other problems. Racing brake pads are designed to work in very specific temperature ranges so to prevent them from exceeding those temps race teams rely on brake cooling ducts, silicone hose, and bumper ducts.

We have designed and produced advanced brake backing plates that fit behind the wheel bearing hub. The backing plates have an inlet duct that directs air to the center of the hub/rotor. From there, cooling vanes in the rotor draw the air through the rotor to cool it. By keeping the rotor cool it won't transfer as much heat through the pads, caliper, and rest of the braking system. Our kits are designed to fit to the hub without having to remove the hub/bearing.
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Brake Cooling Duct - E30 M3
Brake Cooling Duct - E30 M3
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Turner Motorsport - Corporate Logo
T#:302376
Part#: 3624-BLACK
Ships Jul 2, 2025
Sale - Save 3% $ 49.99
$ 48.49 USD
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Sale - Save 3% $ 49.99
$ 48.49 USD
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This cooling duct can be mounted to your front bumper and paired with any aftermarket hose and rotor backing plate to direct air straight to your rotors to help keep temps down under heavy braking events. This cooling duct replaces a fog light or fog light delete panel. Air hose/tube and rotor backing plate not included.
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Turner Motorsport Steering Rack Stop Kit
Turner Motorsport Steering Rack Stop Kit
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Turner Motorsport - Corporate Logo
T#:338960
Part#: RACKSTOP
Ships Dec 18, 2025
Sale - Save 17% $ 47.99
Starting at $ 39.99 USD
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Sale - Save 17% $ 47.99
Starting at $ 39.99 USD
Free Shipping on orders $49 and up
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Whether it is installing new wider wheels, tires, brake ducts, shocks, or springs, there could be a rubbing issue on the inside of your fender well. Our rack stops will help protect your investment. Rack stops are spacers that install inside of the tie rod and limits the amount of steering travel. You can save the costs of replacing rubbing tires, worn out brake ducts, cut shock reservoir hoses, and broken underside plastic panels. There is also the added benefit of knowing you can turn the steering wheel to full lock and not be worried that the wheels will rub. Our rack stop length is the approximate length that will be removed from the outside tire wall�s path. For example, if a 16mm rack stop is used, there will be 16mm more clearance for a brake duct between the fender well and the edge of the tire. Included with this kit: 2 Delrin rack stops, 1 black (driver�s side), 1 white (passenger�s side), 2 Locking plates (only needed on E36), 4 zip ties, detailed instructions.

Click Here for E30 M3 Installation Instructions.
Click Here for E36 Installation Instructions.

We have Steering Rack Stops to fit the following BMWs:
1987-1991 E30 BMW M3
1992-1998 E36 BMW 318i 318is 318ti 318ic 323is 323ic 325i 325is 325ic 328i 328is 328ic M3
1999-2005 E46 BMW 323i 323ci 325i 325ci 325xi 328i 328ci 330i 330ci 330xi M3

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E30 M3 Brake Backing Plates (pair)
E30 M3 Brake Backing Plates (pair)
10X Entries For Our Spin To Win Sweepstakes!
Turner Motorsport - Corporate Logo
T#:3810
Part#: RE1547
Ships Jul 7, 2025
Sale - Save 10% $ 377.99
$ 340.19 USD
Free Shipping
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Sale - Save 10% $ 377.99
$ 340.19 USD
Free Shipping
Add to Wish List
These allow you to duct fresh, cool air to the center of the rotor where it needs it most. The addition of these backing plates and appropriate ducting will increase brake pad life by as much as 50%! A cooler braking system will also dramatically reduce brake fade and decrease braking distances.

This item fits the following BMWs:
1987-1991 E30 BMW M3
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AAF Brake Duct Adapters (Pair) - E30
AAF Brake Duct Adapters (Pair) - E30
Advanced Auto Fabrication - Corporate Logo
T#:7593101
Part#: 116112
Ships in 3 Business Days
$ 40.00 USD
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$ 40.00 USD
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Since 2010, Advanced Auto Fabrication has been producing and developing both parts and full fledged race cars. Their knowledge base covers a wide range of vehicles both domestic and imported. In the specific case of BMW, the team at AAF has a particular affinity for building and designing components for BMW race cars. AAF's brake duct adapters slide directly over the OEM e30 brake duct inlets. They suggest using a strong 2 part bonding adhesive to attach the duct adapters to the OEM brake duct inlet. This is ideal for maximum airflow, as it does not intrude into the air duct, and will create an air-tight seal around the joint. These are the perfect answer for your brake duct kit.
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AAF Brake Duct Kit w/Adapter For Factory Inlet - E30
AAF Brake Duct Kit w/Adapter For Factory Inlet - E30
Advanced Auto Fabrication - Corporate Logo
T#:7593085
Part#: 11612
Ships in 3 Business Days
$ 330.00 USD
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$ 330.00 USD
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Since 2010, Advanced Auto Fabrication has been producing and developing both parts and full fledged race cars. Their knowledge base covers a wide range of vehicles both domestic and imported. In the specific case of BMW, the team at AAF has a particular affinity for building and designing components for BMW race cars. Extend the life of your calipers pads and rotors with the AAF E30 Brake Cooling Duct Kit. Brake cooling is a must for BMW’s that see track use. AAF's Backing Plates feature a large “Pocket” to allow for more efficient air flow into the brake hat. This allows air to travel through the vents in the rotor. AAF's Backing Plate is the full size of the rotor and is a heat shield for the shocks and ball joints. The lightweight aluminum tubes provide a sturdy enough passage for air to travel to the rotor, while being able to take some abuse if the tire or road debris comes into contact with it. On very tight turns the tire will contact the aluminum tube and not the flex hose making the flex hose last much longer. The AAF adapter inlet attaches directly to the factory brake duct inlet with no other modifications needed(1987 or newer). Kit Includes: Two 3' Aluminum Duct Tubes One length of Flex tube (you cut to length for each side) Two AAF Backing plates (left & right) Eight hose clamps Attaching hardware AAF Adapter for the factory inlet.
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AAF Brake Backing Plates - E30
AAF Brake Backing Plates - E30
For vehicles with OEM 325i sized brakes
Advanced Auto Fabrication - Corporate Logo
T#:7593084
Part#: 11611
Ships in 3 Business Days
$ 175.00 USD
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$ 175.00 USD
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Since 2010, Advanced Auto Fabrication has been producing and developing both parts and full fledged race cars. Their knowledge base covers a wide range of vehicles both domestic and imported. In the specific case of BMW, the team at AAF has a particular affinity for building and designing components for BMW race cars. These Backing Plates by Advanced Auto Fabrication feature a large “Pocket” to allow for more efficient air flow into the brake hat. This allows air to travel through the vents in the rotor. AAF's Backing Plate is the full size of the rotor and is a heat shield for the shocks and ball joints. Heating of your shock oil causes oil thinning, which changes the shock dampening characteristics. Protecting your ball joints from heat will improve longevity and prevent premature wear. The backing plates are powder coated black for extra durability and attractive aesthetics. They replace the OEM dust shields, and will need to be removed before installation.
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