
XYZ Racing Hollow Rear Brake Kit — Bmw 3 SERIES E 92 330 (OE185) (2007-2011)
SKU: XYZ-BRK-BKR-BM-51-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 92 330 (OE185) (2007-2011)
Added to basket ✓
Caliper render for this kit:

Upgrade the front brakes on an E92 330 and the rear axle quickly becomes the limiting factor. The coupe carries its mass like the grand tourer it is, and under hard trail braking into a slow corner the back end does more stopping work than most owners credit it for. The XYZ Racing rear big brake kit is the matching half of that equation: a rear setup that keeps front-to-rear balance honest once the front discs and calipers have gone up a size.
This is a kit for owners running their 2007-2011 330 on fast road and track days, where repeated heavy stops on a standard rear setup let bias creep forward and the pedal go long. It pairs a pair of rear calipers with a pair of two-piece floating discs, and the hollow-vane disc design and choice of pad compound let you size the rear braking effort to match the front, rather than leaving the back axle under-braked.
What this brake kit does for your 2007-2011 Bmw 3 Series E 92 330 (OE185)
The first thing you feel is a rear axle that holds its share of the stop instead of waving the front through early. With balance restored, the E92 turns in under braking more predictably and the ABS stops cutting in prematurely at the rear. The lightweight disc cuts rotating and unsprung mass at the back, which the rear damping rewards over bumpy braking zones. With the Racing pad compound fitted, heat soak on a long track-day session is far better managed than on the OE rear, and the pedal stays where you left it across a run of laps. Street keeps things quiet and low-dust for daily use, while Sport bridges fast road and the odd track day.
About the rear big brake kit
The two-piece floating disc sheds heat and weight more readily than a plain OE rear disc, helping shrug off pad gas and surface glaze under repeated hard use. The friction ring is available drilled or slotted at the same price, and it floats on its alloy bell so it stays flat as it heats where a fixed solid rotor would distort. The kit is offered with three pad compounds so the rear can be matched to how the car is used: Street for quiet daily driving, Sport for spirited fast-road work, and Racing for circuit sessions where rear bias and fade resistance matter most. Calipers come in painted Red, Yellow, Gold, Black and Anodized Black at no extra cost, with premium polished-forged, candy and Custom Pantone finishes, so the rear pots can be specified to suit the build. The caliper is hollow-cast as standard, with a Hollow Racing upgrade for serious track use. The kit’s job is to bring the rear axle’s thermal and clamping capacity up to the level of an upgraded front end, keeping the E92’s brake balance where the chassis wants it.
Fitment for the Bmw 3 Series E 92 330 (OE185) (2007-2011)
This kit is specified for the BMW 3 Series E92 330 coupe under the OE185 fitment reference, covering the 2007 to 2011 model years, and fits the rear axle. Pad compound, disc style and caliper colour are all selected when you order, so confirm your chassis code and the OE185 reference against your car before ordering.
What buyers also search for
- BMW E92 330 rear big brake kit for fast road and track day use
- 3 Series E92 rear brake upgrade to match an uprated front setup
- E92 330 two-piece rear brake conversion with Racing pad option
- BMW 3 Series E92 brake kit with painted Red, Yellow, Gold and Black caliper choices
- Rear brake balance upgrade for the 2007-2011 E92 330 coupe
Choose your pad compound, disc style and caliper colour for the E92 330 from the options above when you order.
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 92 330 (OE185) appear here as the rest of the range publishes.