
XYZ Racing Hollow Rear Brake Kit — Bmw 3 SERIES E 46 330 (1998-2006)
SKU: XYZ-BRK-BKR-BM-012-REAR
- IncludesRear axle pair (2 discs + 2 calipers)
- PositionRear
- Disc Ø330–421 mm
- Caliper pots6 / 8-pot
- Lead time10–15 working days
Fits Bmw 3 SERIES E 46 330 (1998-2006)
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Caliper render for this kit:

On a hard-driven E46 330, the rear brakes do the quiet half of the work, and they are the half that gives up first once the standard discs heat-soak. This XYZ Racing Hollow Rear Brake Kit replaces that weak point on the 1998-2006 BMW 3 Series E46 330 with larger, lighter two-piece floating discs and a fixed-caliper setup that holds its bite when the rear axle is loaded mid-corner.
Rear braking on the E46 matters more than the spec sheet suggests. With the M54 straight-six sitting over the nose, getting the rear to settle under braking is what keeps the back end honest into a turn. Supplied as a left-and-right pair, this kit is aimed at owners who use the rear axle’s grip rather than just riding the fronts.
What this big brake kit does for your 1998-2006 BMW 3 Series E46 330
Fit the kit and the first thing you notice is brake balance: a rear that bites cleanly instead of trailing behind the front. The two-piece floating disc and its hollow-vane rotor strip rotating and unsprung mass from the rear axle, which sharpens turn-in and lets the E46’s multilink rear suspension settle faster over kerbs and crests. Three pad compounds, Street, Sport and Racing, let you match the rear bite to how the car is used, from road commuting to a full track day where heat is the enemy. The fixed-caliper construction resists the flex and taper-wear that make tired E46 rears feel wooden, so pedal feel stays consistent as the discs come up to temperature. Calipers come in Red, Yellow, Gold, Black or Anodized Black, on show behind the E46’s wheels.
About the Hollow Rear Brake Kit
The Hollow Rear Brake Kit is built around a two-piece floating disc whose hollow-vane rotor runs cooler and weighs less than a solid item of the same diameter, a construction borrowed from competition practice where rotating mass is fought hard. Less rotating mass means the rear discs shed heat quicker between stops and put less load on the wheel bearings and hubs. The fixed caliper clamps the disc evenly across the pad face, which keeps wear flat and pedal travel short. Pad choice runs from a Street compound for quiet, low-dust road use, through a Sport compound that tolerates spirited runs, to a Racing compound built for sustained high-temperature work. Disc faces can be drilled or slotted at the same price, calipers can be specified in any included or premium finish, and a Hollow Racing caliper upgrade rated to 1000C is available for committed track use. None of it changes the rear’s job of slowing the car and managing brake bias; it simply gives that job more heat headroom than the factory parts. The result is a rear axle you can lean on rather than one you nurse.
Fitment for the BMW 3 Series E46 330 (1998-2006)
This kit is specified for the BMW 3 Series E46 330 built between 1998 and 2006, covering the 330 range on the E46 chassis and mounting at the rear axle as a left-and-right pair. It fits the rear only and is designed around the E46’s factory rear hub and mounting geometry. Confirm your exact build year before ordering.
What buyers also search for
- BMW E46 330 rear brake upgrade for road and track use
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- BMW E46 330 brake balance fix for trail-braking into corners
Choose your pad compound and caliper colour and build your E46 330 rear setup using the options above.
What’s in the kit
Rear axle kit — supplied as a complete bolt-on assembly.
- 2×Two-piece floating discs — 330–421 mm: you pick the exact diameter with the "Disc size" option
- 2×Lightweight aluminium centre bells
- 2×Forged aluminium calipers — 6 / 8-pot
- 2×High-stiffness mounting brackets
- 2×Braided stainless steel brake lines
- 4×High-performance brake pads (1 set)
- 1×Fitting hardware & tools pack
Parking brake: Retains your original (OE) handbrake.
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 330–356mm (rear). Warranty is 2 years on oil leaks and 10 years on appearance. Built for professional racing and repeated track days.

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).


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.

Other products that fit this vehicle
Front & rear brake kits, coilovers and more for this car
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More XYZ products for the Bmw 3 SERIES E 46 330 appear here as the rest of the range publishes.