
XYZ Racing Hollow Rear Brake Kit — Bmw 3 SERIES E 30 316 (1982-1991)
SKU: XYZ-BRK-BKR-BM-01-A-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 30 316 (1982-1991)
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Caliper render for this kit:

The E30 316’s rear axle was never asked to do much from the factory. A modest M10 four and entry-level discs meant BMW specified the smallest brakes anywhere in the range. Add modern tyres, a track-day habit, or one of the engine swaps these cars now routinely wear, and the standard rear setup runs out of bite long before the chassis does.
This XYZ Racing rear brake kit for the BMW 3 Series E30 316 (1982-1991) puts a larger, two-piece floating disc and a forged caliper where the original undersized rear brake sat. The result is a rear axle that pulls its weight under braking and clears heat between corners, so brake balance stays where you set it rather than creeping forward as the rears fade.
What this brake kit does for your 1982-1991 BMW 3 Series E30 316
On a car this light, unsprung mass matters more than the raw figures suggest. The two-piece floating disc trims rotating weight at each rear hub, and the E30’s semi-trailing-arm rear end rewards that with calmer damper response over kerbs and broken surfaces. Fit the Racing compound and the pedal turns firm and progressive under repeated heavy stops; the Sport compound covers fast-road work, while the Street compound keeps cold bite and low dust for road miles. Because the rear now does genuine work, you can trail-brake into a corner without the tail going light the way a tired factory rear brake encourages on the E30.
About the Rear Brake Kit
The kit is a rear-axle package supplied as a matched pair of left and right rear calipers and discs, built around a two-piece floating disc, internally vented with a hollow-vane structure and lightened so it sheds heat and rotational mass instead of carrying solid metal you do not need. The disc comes drilled or slotted at the same price, on braided lines. It bolts in place of the original 316 rear brake and runs a forged caliper for a stiffer, more consistent clamp than the sliding factory unit; the caliper is hollow-body as standard, with an optional Hollow Racing upgrade (no dust cover, 1000C rated, two-year warranty) for regular circuit use. Three pad compounds are offered, Street, Sport and Racing, so one set of hardware covers a daily-driven 316, a fast-road build, or a car that sees regular track time. Included painted caliper finishes are Red, Yellow, Gold, Black and Anodized Black at no extra cost, with a Custom Color in any Pantone for a small upcharge, plus premium polished-forged (Titanium, Polished Gold, Polished Silver) and candy (Candy Teal, Candy Blue, Candy Red, Candy Orange) finishes, and two-tone centre bells in five anodized colours or titanium at checkout. It is a rear-only kit, meant to be matched to a suitable front setup so the overall balance suits how you drive the car.
Fitment for the BMW 3 Series E30 316 (1982-1991)
This kit is mapped to the BMW 3 Series E30 316 across the full 1982 to 1991 production span. The E30 chassis code and 316 model designation are your fitment reference, so confirm your car matches before ordering. No other trims or chassis are covered by this listing.
What buyers also search for
- BMW E30 316 rear brake upgrade for track days and fast-road use
- BMW 3 Series E30 316 big brake kit with Street, Sport or Racing pad options
- Lightweight two-piece floating rear discs to cut unsprung mass on the E30
- BMW E30 316 rear brake kit with coloured calipers in Red, Yellow, Gold or Black
- Rear brake balance upgrade for engine-swapped E30 builds
Choose your pad compound and caliper colour, then build your E30 316 rear brake kit 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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