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Big Brake Kit

XYZ Racing Hollow Front Brake Kit — Bmw 3 SERIES E 46 M3 (USA) (2001-2006)

SKU: XYZ-BRK-BKF-BM-025-FRONT

  • IncludesFront axle pair (2 discs + 2 calipers)
  • PositionFront
  • Disc Ø356–444 mm
  • Caliper pots6 / 8 / 12-pot
  • Lead time10–15 working days

Fits Bmw 3 SERIES E 46 M3 (USA) (2001-2006)

Brake pad compound

Street: quiet, low-dust, strong cold bite for road driving. Sport: higher temperature range and more bite for fast road and occasional track. Racing: maximum fade resistance for sustained track use (noisier and dustier cold). Match the pad to how hard you actually brake.

Disc size

Caliper grade

Hollow is the standard caliper: a lighter hollow-body forged caliper with a dust cover and a 5-year warranty. Hollow Racing drops the dust cover for sustained high-temperature use (rated to 1000°C, 2-year warranty) — the track-grade choice.

Caliper colour

Painted colours are included. Polished-forged finishes are mirror-polished forged calipers (Titanium, Gold, Silver); candy colours are a deep, mirror-reflection paint. Both are premium upgrades — fuller detail further down the page.

Painted — includedTell us the exact Pantone (PMS) code you want the calipers painted.Polished forgedCandy
Disc style

Drilled discs (cross-drilled holes) vent gas and water and look aggressive; slotted discs (surface grooves) wipe the pad face clean and resist fade under sustained hard use. Same price — choose on looks or how you drive.

Centre bell

The centre bell is the CNC-machined aluminium hat that joins the disc to the hub. Standard anodized is included; a two-tone bell adds an anodized accent ring in your choice of colour; titanium is the lightest, forged option.

Carbon-ceramic rotor

Carbon-ceramic rotors are a special-order track upgrade: far lighter than steel, fade-resistant at extreme temperatures and extremely long-lived. The price follows the disc size you choose above. The standard two-piece steel rotor is included.

Configured price£2,200.00Inc. VAT

Lead time: 10–15 working days from payment


£2,200.00

Made to order. Full payment is taken at checkout. Production begins once payment is confirmed.

Pay by card, Apple Pay, Google Pay — or Klarna on eligible orders.

Caliper render for this kit:

XYZ Racing Hollow Front Brake Kit — Bmw 3 SERIES E 46 M3 (USA) (2001-2006) — 356 mm
356 mm

The S54’s 8,000rpm ceiling invites the kind of late, committed braking that exposes exactly where the E46 M3’s standard front calipers reach their thermal limit. After twenty-plus years of HPDE sessions, club racing and Nürburgring tourist runs, the American-market E46 M3 community has documented the factory brake fade profile thoroughly. It is the one area where the chassis consistently outpaces its own braking hardware under sustained circuit use.

The XYZ Racing front big brake kit replaces the front setup with larger swept geometry and genuine big-brake proportions. It is a single front-axle kit, a matched pair of calipers and two-piece floating discs, matched to your choice of compound: Street for road and occasional track, Sport for mixed use, or Racing for sustained high-temperature sessions. Caliper colour is included across Red, Yellow, Gold, Black and Anodized Black at no extra cost, with a Custom Color in any Pantone for £150, so the installation sits as well visually as it performs mechanically.

What this brake kit does for your 2001-2006 BMW 3 Series E46 M3 (USA)

The E46 M3’s balance is close to neutral at the limit, which means the front axle loads heavily under trail-braking into tighter corners, exactly the braking style the S54’s wide, free-revving power band encourages. Larger swept area at the front reduces the thermal load per unit of disc surface, cutting the progression towards fade the stock setup shows after two or three hard laps. The hollow-vane disc aids heat evacuation between braking zones, keeping the pad-disc interface temperature more consistent across a session, and the two-piece floating ring grows under heat without coning while trimming rotating and unsprung mass. Braided lines firm the pedal further. Three pad compounds let you match the friction coefficient to your use; Racing in particular holds up at temperatures that would push a street-specification pad into glazing territory.

About the Hollow Front Brake Kit

The XYZ Racing kit is built around a two-piece floating disc that uses internal hollow-vane geometry to move heat away from the swept face between braking events, rather than relying purely on ventilation slots or cross-drilling alone. For a platform like the E46 M3, which sees sustained circuit use decades after production ended, this matters: the disc surface temperature between corners directly affects how consistently the pad behaves from the first braking zone to the last. The caliper runs a hollow body as standard, keeping reciprocating weight low; for the hardest track use a Hollow Racing upgrade drops the dust cover, is rated to 1000C and carries a two-year warranty. The kit is configured for the front axle and comes with three pad compounds, Street, Sport and Racing, covering everything from daily driving to full circuit work, with discs drilled or slotted at the same price. Caliper finish runs from the included painted colours through premium polished-forged and candy options to two-tone or titanium centre bells, giving USA-spec M3 owners the option to complement whatever wheel they are running.

Fitment for the BMW 3 Series E46 M3 (USA) (2001-2006)

This kit is designed for the USA-specification BMW 3 Series E46 M3, covering the full 2001 to 2006 model year range. The American-market E46 M3 used the same S54B32 inline-six platform as the European car and shares the same front brake fitment geometry. Confirm your model year falls within the 2001-2006 window before ordering, and verify chassis code E46 applies to your specific car.

What buyers also search for

  • BMW E46 M3 front brake upgrade for sustained HPDE and circuit use
  • 3 Series M3 big brake kit with selectable pad compound for road and track
  • E46 M3 USA-spec front caliper upgrade available in multiple finishes
  • BMW 3 Series M3 hollow-vane disc brake kit for 2001-2006 model years
  • E46 M3 brake fade solution for repeated hard-braking track sessions

Pad compound, disc style and caliper colour are all configurable. Pick your spec from the options above and build yours.

What’s in the kit

Front axle kit — supplied as a complete bolt-on assembly.

  • 2×Two-piece floating discs — 356–444 mm: you pick the exact diameter with the "Disc size" option
  • 2×Lightweight aluminium centre bells
  • 2×Forged aluminium calipers — 6 / 8 / 12-pot
  • 2×High-stiffness mounting brackets
  • 2×Braided stainless steel brake lines
  • 4×High-performance brake pads (1 set)
  • 1×Fitting hardware & tools pack

Choosing your spec

Every kit is built to order around the choices you make above. Here is what each option actually changes, so you can spec yours with confidence.

Brake pads — Street, Sport or Racing

Every kit ships with a full set of high-performance pads; the compound is your call.

Street is the right default for fast-road driving — a strong, progressive cold bite with low noise, low dust and long disc life. Sport raises the working temperature and adds bite and fade resistance for hard road use and the occasional track day, while still behaving on a cold morning. Racing is a track compound built for sustained abuse: huge fade resistance and bite once heat is in it, at the cost of more noise and dust when cold. Match the pad to how hard you actually use the brakes — there is no benefit to a race pad that never gets up to temperature.

Caliper grade — Hollow vs Hollow Racing

Hollow is the standard caliper on every kit: a hollow-body forged caliper, lighter than a solid one, fitted with a dust cover and backed by a 5-year oil-leak warranty. For most fast-road and spirited track use it is all the caliper you need.

Hollow Racing is the track-grade upgrade. It runs the same hollow body but without a dust cover (so there is nothing to melt at sustained high temperature), uses a twin-metal piston that isolates heat travelling from the disc to the oil seal, and is rated to 1000°C. Available 286–380mm (front). Warranty is 2 years on oil leaks and 10 years on appearance. Built for professional racing and repeated track days.

Hollow Racing caliper

Caliper colour & finish

Painted colours (Red, Yellow, Gold, Black, Anodized Black) are included at no cost. Want an exact match to your car? Custom Color (+£150) paints the calipers to any Pantone code you supply (15–20 day lead time).

Polished Forged finishes are the flagship: a forged caliper given a mirror-polished surface treatment that shifts colour with the viewing angle. Beyond the looks, the polished surface dissipates heat better, resists rust and stands up to the weather. Choose Titanium (neochrome, +£350), Polished Gold (+£300) or Polished Silver (+£250). They look their best paired with a titanium centre bell. Care: clean only with a dilute neutral cleaner or water.

Candy colours (+£200) use a deep candy-paint and polishing process for a mirror-reflection, boutique finish — pick Teal, Blue, Red or Orange (shown below right).

Polished forged caliper finishes
Candy caliper colours

Centre bells

The centre bell is the CNC-machined aluminium hat that joins the disc to the hub. The standard anodized centre bell is included. The Two-tone bell (+£200) adds an anodized accent ring — choose Red, Yellow, Orange, Purple or Silver right here at checkout. The Titanium centre bell (+£500) is a forged titanium bell (bolts not included) that finishes off the polished-forged look.

Two-tone anodized centre bells
Same car

Other products that fit this vehicle

Front & rear brake kits, coilovers and more for this car

  • More XYZ products for the Bmw 3 SERIES E 46 M3 (USA) appear here as the rest of the range publishes.