Big Brake Kit
XYZ Racing Hollow Front Brake Kit — Bmw 3 SERIES E 92 323 (2007-2011)
SKU: XYZ-BRK-BKF-BM-061-FRONT
- IncludesFront axle pair (2 discs + 2 calipers)
- PositionFront
- Disc Ø330–444 mm
- Caliper pots6 / 8 / 12-pot
- Lead time10–15 working days
Fits Bmw 3 SERIES E 92 323 (2007-2011)
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Caliper render for this kit:
The E92 323i occupies a specific place in the three-series coupe range: naturally aspirated straight-six, rear-wheel drive, a platform shared with the more powerful 330i and 335i, but carrying factory brakes sized for the entry-level spec rather than what the chassis can genuinely be pushed to. That asymmetry between what the suspension can handle and what the braking system will sustain under pressure is the whole argument for a front brake upgrade on this car.
This XYZ Racing front big brake kit addresses that directly. It is a single-axle upgrade, a matched pair of front calipers and discs, replacing the stock front units with hardware offering meaningfully more thermal capacity, a firmer pedal under load, and the flexibility to specify pad compound, caliper colour, disc style, and centre bell to suit what you are actually doing with the E92.
What this brake kit does for your 2007-2011 Bmw 3 SERIES E 92 323
The front axle absorbs the majority of braking force on a rear-drive platform, and the E92 323i’s standard front setup reflects its factory role rather than the car’s potential once it is being driven properly. Larger discs and a multi-piston caliper translate to more immediate bite from initial pedal application and a significantly higher threshold before heat-induced fade begins to soften response. Two-piece floating discs ride on an aluminium centre bell that lets the friction ring expand under heat without warping, while hollow-vane internals draw air through the disc body to keep temperatures in check.
Three pad compounds cover the full range of use without requiring a hardware swap between configurations: Street as the quiet, low-dust road default, Sport for fast-road work with more bite and heat range, and Racing for circuit days. Caliper colour means the installation looks deliberate through a set of open-spoke wheels.
About the Hollow Front Brake Kit
The XYZ Racing caliper is built on a hollow body as standard, keeping mass low without compromising integrity under repeated thermal cycles. Front-biased brake upgrades are a well-documented modification path for E9x-generation BMWs: the strut and knuckle geometry accommodates larger caliper brackets cleanly, without the clearance complications that affect smaller platforms. The kit is specified as front-axle only, which is the right prioritisation for a naturally aspirated 323 build, since the rear brakes on the standard E92 are rarely where the limiting factor lies.
Street, Sport, and Racing pad grades make the system usable from daily commuting through to competitive use within a single hardware setup. Discs come drilled or slotted at the same price, with the centre bell available two-tone in five anodized colours or in titanium. Caliper colour is painted at no cost in Red, Yellow, Gold, Black, or Anodized Black; Custom Color matches any Pantone for £150; and premium polished-forged (Titanium, Polished Gold, Polished Silver) or candy finishes (Candy Teal, Candy Blue, Candy Red, Candy Orange) suit a show build. The Hollow Racing caliper upgrade (no dust cover, rated 1000C, two-year warranty) and braided lines are there for serious track use.
Fitment for the Bmw 3 SERIES E 92 323 (2007-2011)
This kit is confirmed for the BMW 3 Series E92 coupe in 323 specification, covering the 2007 to 2011 production run. The E92 coupe’s front strut and knuckle architecture is consistent across the naturally aspirated petrol range within this generation, and the kit is listed against the 323 variant specifically. If the car is running wheels below 17 inches in diameter, verify rim clearance against the larger disc and caliper profile before committing.
What buyers also search for
- BMW E92 323 front brake upgrade for track-day and fast-road use
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- E92 323i caliper upgrade with Sport and Racing pad grades in one kit
- Front big brake kit for BMW E92 coupe with hollow-vane disc construction
Select your caliper colour, pad compound, disc style, and centre bell from the options above to configure the exact specification for your E92 323i.
What’s in the kit
Front axle kit — supplied as a complete bolt-on assembly.
- 2×Two-piece floating discs — 330–444 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.
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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More XYZ products for the Bmw 3 SERIES E 92 323 appear here as the rest of the range publishes.