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BMW E28 Drilled & Slotted Brake Rotors

BMW E28 Drilled & Slotted Brake Rotors Cross-drilled rotors are a quick and simple way to improve initial pad bite. With the additional leading edges at each hole, the pad is able to grab the rotor just a little bit harder when it’s time to stop NOW! Tests have shown (and drivers can feel) the immediate improvement. The holes also provide better cooling under hard use. Pad wear may be accelerated slightly (depending on driving technique), so only high quality brake pads should be considered.

Slotted rotors provide much of the increased pad bite that cross-drilled rotors do, but can handle the heat of more aggressive use. The slots act as a wiper, cleaning the pad face as they go by to reduce pad glazing, keeping the pads fresh for optimal performance. If taking the car often to track days or where very spirited driving is the norm, slotted rotors are the smart choice.

Cross-drilled and slotted rotors combine the best of both. Fewer holes mean longer pad life with little penalty in the way of initial pad bite. These are popular, aggressive-looking patterns that look great behind custom wheels.

Every SportStop® rotor is finished with black e-coating on both sides of the hat, inside the the cooling vanes, and on the outside edge. E-coating is a superior electro-statically applied finish designed to withstand 400 hours of salt water exposure without rusting. This is especially important on both mounting faces of the hat where it touches the hub flange and back face of the wheel. Any accumulation of rust in these area can lead to installed lateral run out issues.
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Cross-Drilled & Slotted Brake Rotors - Rear - E24 633CSi/M6 & E28 528e/533i/535i/M5 (Pair) Slotting a rotor helps to release gases that build up between the rotor surface and an out-gassing brake pad. Without an escape, this thin layer of gas will cause a delay until the pad cuts through gas layer. The slots in our rotors allow the gases to escape giving better braking performance. Cross-drilling a rotor is a way to improve initial pad bite. With the additional leading edges at each hole, the pad is able to grab the rotor just a little bit harder.

By combining both Cross-drilling and slotting, these rotors combine the best of both worlds. Fewer holes mean longer pad life with little penalty in the way of initial pad bite.

These rotors feature a unique black electro-coating that is designed to prevent corrosion. Each rotor is e-coated then double-ground and balanced to ensure an even surface with no vibration. The e-coating is the best anti-corrosion protection currently available in replacement rotors. Most aftermarket rotors are not coated, allowing surface rust to form right away, which is unattractive when brakes can be seen through your wheels.

This item fits the following BMWs:
1982-1988 E28 BMW 528e 533i 535i 535is M5
1983-1989 E24 BMW 633csi 635csi M6
StopTech
Part #: 34211121387CDS
Price: $139.90 (USD) 
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Brake Rotor Retaining Screw / Hold Down Bolts (pair) - M8x12 Brake rotor retaining screw used for many BMW applications. M8x12.We recommend replacing the brake rotor hold down bolts each time the brake rotors are removed as they have a tendency to rust into place or to become stripped with multiple uses. This is for a pair of 2 bolts.

+ Emblem Application Specifics
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Fits the following BMWs:
Front Brake Rotor Hold Down Bolt
E12 528i
E12 530i
E21 320i
E23 733i
E23 735i
E24 630CSi
E24 633CSi
E28 524td
E28 528e
E28 533i
E28 535i
E28 M5
E30 325ix
E30 318i
E30 318is
E30 325e
E30 325i
E30 M3
E31 850Ci
E32 735i
E32 735iL
E32 750iL
E34 525i
E34 535i
E34 M5 3.6
E39 M5
E46 M3
E60 M5
E63 M6
E64 M6
E82 M Coupé
E85 Z4 M3.2
E86 Z4 M3.2
E90 M3
E90N M3
E92 M3
E92N M3
E93 M3
E93N M3
F06 M6
F10 M5
F12 M6
F13 M6
F80 M3
F82 M4
F83 M4

Rear Brake Rotor Hold Down Bolt
E30 318i
E12 528i
E12 530i
E21 320i
E23 733i
E23 735i
E24 630CSi
E24 633CSi
E24 635CSi
E24 M6
E28 524td
E28 528e
E28 533i
E28 535i
E28 M5
E30 318i
E30 318is
E30 325e
E30 325i
E30 M3
E31 850Ci
E32 735i
E32 735iL
E32 740i
E32 740iL
E32 750iL
E34 530i
E34 540i
E34 525i
E34 535i
E34 M5 3.6
Genuine BMW
Part #: 34111123072-2
Price: $2.10 (USD) 
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Cross-Drilled & Slotted Brake Rotors - Front - E28 535i/is - E24 635csi (Pair) Slotting a rotor helps to release gases that build up between the rotor surface and an out-gassing brake pad. Without an escape, this thin layer of gas will cause a delay until the pad cuts through gas layer. The slots in our rotors allow the gases to escape giving better braking performance. Cross-drilling a rotor is a way to improve initial pad bite. With the additional leading edges at each hole, the pad is able to grab the rotor just a little bit harder.

By combining both Cross-drilling and slotting, these rotors combine the best of both worlds. Fewer holes mean longer pad life with little penalty in the way of initial pad bite.

These rotors feature a unique black electro-coating that is designed to prevent corrosion. Each rotor is e-coated then double-ground and balanced to ensure an even surface with no vibration. The e-coating is the best anti-corrosion protection currently available in replacement rotors. Most aftermarket rotors are not coated, allowing surface rust to form right away, which is unattractive when brakes can be seen through your wheels.

This item fits the following BMWs:
1985-1988 E28 BMW 535i 535is
1984-1989 E24 BMW 635csi
StopTech
Part #: 34111153228CDS
Price: $147.90 (USD) 
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Stainless Brake Rotor Set Screw (34111123072) - Set Of 4

This is a set of stainless steel brake rotor retaining screws to replace the factory steel screws. As everyone knows, the stock screws will seize in the holes over time. And the shallow recess on the head means the screw is easily stripped. These replacement rotor screws are stainless steel and won't corrode and seize in place.

This is a set of 4 stainless screws. Most BMW rotors take one screw but some M cars after 2001 will take two screws per rotor.

Turner Motorsport
Part #: 001359ecs01ax4KT
Price: $9.96 (USD) 
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