
XYZ Racing Hollow Rear Brake Kit — Bmw 3 SERIES E 36 320 (1990-1998)
SKU: XYZ-BRK-BKR-BM-003-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 36 320 (1990-1998)
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Caliper render for this kit:

The E36 chassis put a proper multi-link rear axle under the 3 Series for the first time, and on a 320i that balance is the whole appeal: a willing front end and a rear that rotates when you ask it to. The XYZ Racing Hollow Rear Brake Kit is built to keep that back axle composed under repeated heavy braking, so the car settles rather than skips when you trail the pedal into a corner.
This is a rear-axle upgrade for the 1990-1998 320, supplied as a left-and-right pair and aimed at adding heat capacity and pedal consistency where the standard rear discs go soft after a few hard stops. Match it to a front upgrade and you get a brake balance that holds its shape on a fast road run or a track day, instead of washing out to the rear under load.
What this brake kit does for your 1990-1998 BMW 3 Series E36 320
Fit it and the first thing you feel is a firmer, more predictable rear pedal that does not go long after the third or fourth stop. The two-piece floating disc carries a hollow-vane rotor that sheds heat faster than the solid factory rear rotors and trims a little unsprung weight at each rear corner, which the E36’s multi-link axle appreciates over mid-corner bumps. With Street pads the car stays civil and low on dust for daily use; step up to the Racing compound and the rear axle keeps biting through a full session without the spongy, overheated feel that ends most track outings early, with the Sport compound covering hard road and the odd track lap. The result is a 320 that stops square and stays planted, letting you brake later without the tail stepping out unexpectedly.
About the Hollow Rear Brake Kit
The Hollow Rear Brake Kit replaces the standard setup with a larger two-piece disc and a hollow-body performance caliper sized for the rear axle of the E36 and supplied as a pair. The hollow-vane rotor increases the surface area exposed to airflow, so heat builds more slowly and clears faster between stops. That matters at the back, where a smaller contact patch and lighter braking duty mean a fading rear can quietly upset the balance long before the fronts give up. Three pad compounds let you match the kit to use: Street for quiet everyday driving, Sport for spirited road work, and Racing for circuit sessions. Disc faces can be specified drilled or slotted at the same price. The caliper ships painted in Red, Yellow, Gold, Black or Anodized Black at no extra cost, with a Custom Color in any Pantone and premium polished-forged or candy finishes, plus a Hollow Racing upgrade for serious track use, so it suits a sleeper or a show car equally.
Fitment for the BMW 3 Series E36 320 (1990-1998)
This kit is specified for the BMW 3 Series E36 320 across the 1990 to 1998 production run, fitting the rear axle of the six-cylinder 320i as a left-and-right pair. Confirm your exact build year before ordering, as rear hub and caliper-mount details can vary across the E36’s long life.
What buyers also search for
- BMW 3 Series E36 320 rear brake upgrade for fast road and track day use
- E36 320 rear big brake kit with Sport and Racing pad compound options
- Hollow rear brake discs for the 1990-1998 BMW 320 to resist fade under repeat braking
- BMW E36 rear caliper colour choices: Red, Yellow, Gold, Black or Anodized Black
- 320i rear brake balance upgrade to match a front big brake conversion
Choose your pad compound and caliper colour, confirm the fitment for your E36, and build yours from 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.

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