Endless Brake Pads for D2 Audi S8
Endless’s Brake Pads for D2 Audi S8 suit the aluminum-bodied 4.2-liter V8 sedan that Audi sold in the US from 2001 to 2003, and Endless lists the same shapes for the S8 from 1999. At the front sits EIP000, the shape Endless also lists for the Porsche 964 and 993, with the compact EIP025 at the rear, a shape shared with period A3, A4, Golf and Passat models. For a D2 S8 kept as a fast road car, MX72 is the compound we would fit; SSM Plus suits one that mostly cruises.
Features
- Endless pad shapes EIP000 front and EIP025 rear
- SSM Plus, MX72, MX72 Plus and CC-Rg for road and track use
- Eighteen racing compounds, including MA45B at either axle
- Every compound sold as a Front set, Rear set or Front and Rear Set
Choosing a Compound
A D2 S8 is a large, fast sedan, and the right compound depends on whether it tours or gets driven hard. SSM Plus suits one used for long, relaxed drives, while MX72 adds the cold bite and pedal feel that make the S8 feel lighter on a fast road. MX72 Plus and CC-Rg suit an S8 taken to a track day, and the racing compounds, MA45B included, are there for the rare car built for competition. W007 and W008 are left off because Endless designs both for carbon ceramic rotors, and the D2 S8 runs iron rotors.
Every figure below is Endless’s own. Friction is the compound’s average friction coefficient, so a higher number gives more bite for the same pedal pressure. The rotor range is the band of rotor temperatures Endless designs the compound to work in, so choose by the temperatures your car will see.
Street and street-to-track compounds
- SSM Plus (street): non-asbestos; friction 0.33-0.40; rotor range 0-550C (32-1022F). Low dust, low noise and long life. Braking builds with pedal pressure rather than a sharp first bite, for drivers who want clean wheels and a quiet car.
- MX72 (street to light track): ceramic carbon metal; friction 0.37-0.47; rotor range 50-700C (122-1292F). Minimal noise and dust, strong friction at low temperatures, reduced rotor wear and a better pedal feel than a typical semi-metallic pad. Endless’s dual-duty compound for a road car that sees the occasional track day.
- MX72 Plus (street to circuit): ceramic carbon metal; friction 0.39-0.47; rotor range 50-750C (122-1382F). Holds its braking force to higher temperatures than MX72, with stable control and a consistent pedal release. Endless aims it at cars on street tires that run on track.
- CC-Rg (track day, street capable): ceramic carbon metal; friction 0.38-0.45; rotor range 50-800C (122-1472F). High initial bite across a wide temperature range, even when cold, and modulation that works with the factory ABS under hard use. Endless notes it is noisy on the street; it is the step up from MX72 Plus for regular track days.
Racing compounds
Each option below is one choice in the Choose Compound menu. For a group, name your compound in the order notes and Bulletproof Automotive confirms it with your order. Every racing compound needs Endless’s bedding procedure: at 70 to 80 percent of normal pedal effort, bring the rotors gradually to 400C (752F), then let them cool below 150C (302F) before hard use.
Racing Group
- ME22: dual braking style; friction 0.33-0.38; rotor range 150-800C (302-1472F). Developed from ME20 with lower friction for control, for light to mid-weight cars or heavier cars on slower circuits. Endless rates it for street and track.
- ME20: trail-braking style; rotor range 150-800C (302-1472F). High, stable friction at high temperature with low wear, developed for touring cars and rally. Works front or rear, with stock or racing ABS.
- N35S: trail-braking style; rotor range 300-800C (572-1472F). Quick, sharp and responsive, with stable modulation under high temperature and load. Endless’s flagship rally compound, also run in FIA GT, and its suggested starting point for drivers new to Endless racing pads.
- N05U: trail-braking style; friction 0.46-0.53; rotor range 300-800C (572-1472F). More bite than N35S, popular in sprint-focused Porsche Cup cars.
- N05S: trail-braking style; friction 0.45-0.53; rotor range 300-800C (572-1472F). Immediate high friction with little pedal effort, used in Japanese rally cars without brake boosters and in European and Australian sprint racing.
- N30C: friction 0.50-0.60; rotor range 300-800C (572-1472F). High initial bite, gentle on rotors and low wear. A rally compound for cars without a brake booster.
- MS20: friction 0.32-0.38; rotor range 150-800C (302-1472F). A low-friction rear pad with a flat torque curve and long life, for club racing cars.
- MS25: friction 0.36-0.42; rotor range 150-800C (302-1472F). Warms up gradually even under heavy braking. Endless pairs it with a higher-friction pad to prevent lock-up.
- MS35: friction 0.45-0.53; rotor range 300-800C (572-1472F). Mid to high initial bite with good modulation and control, a sprint pad for a wide range of conditions.
- ML20A: friction 0.30-0.33; rotor range 300-800C (572-1472F). A rear compound with lower initial bite to prevent rear lock-up, for lightweight GT cars.
- ML35A: friction 0.30-0.38; rotor range 300-800C (572-1472F). Slightly lower friction with excellent modulation and wear, for lighter GT cars.
- ML40A: friction 0.32-0.47; rotor range 300-800C (572-1472F). Moderate friction that resists lock-up, an endurance compound.
- S55G: Endless publishes no figures. It suits lightweight and front-wheel-drive cars, and the rear of front-wheel-drive cars, with high controllability.
- PC35: Endless publishes no figures. More bite than N35S with high braking force and a stable pedal; Endless’s base pad for rally raid.
- S41S: Endless publishes no figures. Developed for GT cars, including GT3, under high brake loads.
Sold as their own options
- W003: trail-braking style; friction 0.40-0.45. Similar in character to N35S with better wear, tough and stable at high temperature with a linear torque curve; run in rally, touring cars, ALMS and PWC. Circuit only: Endless does not recommend it for the street and notes high rotor wear when cold.
- S330: trail-braking style; friction 0.60-0.70; rotor range 300-850C (572-1562F). High friction for sprint racing, with good control at high levels and without accelerating rotor wear; run in Super GT, stock cars and GT2 and GT3 sprint racing.
- MA45B: standard braking style; rotor range 300-800C (572-1472F). Endless’s endurance compound: low friction but stable for a whole race, with excellent heat resistance and wear. Most Nurburgring and Spa 24 Hours entrants run it.
Applications
- Audi S8: D2 | 1999-2003 | 4.2L V8
Notes
- Each Front or Rear set of Brake Pads for D2 S8s covers both wheels on one axle
- Endless lists 1999 to 2002. The 2003 US S8, the last D2 model year, is included.
- Endless does not list the S8 before 1999. Owners of an earlier car should check with Bulletproof Automotive before ordering.
- Not for the D2 A8 or a later S8, which take different Endless pads
Frequently Asked Questions
- Do the Endless Brake Pads for D2 also fit an A8 4.2? No. Endless lists different front pads for the D2 A8 4.2 quattro, which used other front calipers, so these Brake Pads for D2 sedans are for the S8 only. The rear EIP025 shape does appear on some A8 versions, but check with Bulletproof Automotive before ordering a rear set for an A8.
- Why does an Audi sedan share a pad shape with a Porsche? Endless lists EIP000 for the Porsche 964 and 993 as well as the D2 S8, because the front calipers on these cars take the same pad outline. For an S8 owner the practical result is a wide choice, as Bulletproof Automotive offers EIP000 in four street compounds and eighteen racing compounds.
- Which compound suits a heavy sedan like the S8? MX72 is the everyday pick, with strong friction from cold and a better pedal feel than a typical semi-metallic pad. For track days, MX72 Plus holds its bite to 750C, or 1382F, and CC-Rg to 800C, or 1472F. The extra heat capacity matters on a car of this size, which loads its brakes harder than a small coupe.
- Is MA45B available for both ends of the S8? Yes. Endless prices its MA45B endurance compound for both the EIP000 front and the EIP025 rear, so the S8 can run it front, rear or as a Front and Rear Set. MA45B is a racing compound designed for long events, with stable friction and strong wear resistance, so it belongs on an S8 built for racing rather than the road.
- Which compound keeps the S8 wheels clean? SSM Plus. Endless rates it for low dust, low noise and long life, with braking that builds smoothly as pedal pressure rises, which suits a large sedan used for touring. MX72 also keeps dust and noise to a minimum and is the better choice for owners who drive the S8 briskly.
About Endless
Endless is a Japanese brake manufacturer that designs everything in-house and manufactures domestically in Japan, holding surface accuracy to 1/1000mm under strict quality control. The company developed its own laminated sintered wire-mesh backing plate and ceramic carbon rotors, and it proves its parts in competition, running its own factory motorsport program and supplying winning teams across Japanese and European racing. From pads and slit rotors to forged and monobloc calipers, brake fluid, and lines, Endless builds braking systems trusted on both street and circuit.
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