Big Brake Kit
XYZ Racing Hollow Front Brake Kit — Bmw 4 SERIES F 32 (2013-2020)
SKU: XYZ-BRK-BKF-BM-63-Q-FRONT
- IncludesFront axle pair (2 discs + 2 calipers)
- PositionFront
- Disc Ø356–444 mm
- Caliper pots6 / 8 / 12-pot
- Lead time10–15 working days
Fits Bmw 4 SERIES F 32 (2013-2020)
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Caliper render for this kit:
The F32 4 Series coupe carries genuine mass; most two-wheel-drive configurations tip the scales at over 1,500kg, and the xDrive variants more. On road it barely matters; under hard and repeated braking on a track day or a favourite B-road, the OEM front setup reveals its limits through a gradually softening pedal and reduced bite consistency. The big brake kit is the fix, not a technique adjustment.
The XYZ Racing front big brake kit for the BMW 4 Series F32 (2013-2020) replaces the standard front hardware with discs and calipers rated for higher thermal loads. It is a single-axle upgrade, a matched pair of front calipers and discs. Three pad compounds and a full range of caliper finishes give buyers a setup that suits both how the car is driven and how it needs to look from the inside of a 19-inch alloy.
What this brake kit does for your 2013-2020 Bmw 4 SERIES F 32
Two-piece floating disc construction sheds heat more efficiently than a standard solid ventilated disc, which matters on a car of the F32’s mass when you are asking the front axle to do the same job across multiple hard stops. The aluminium centre bell lets the friction ring expand cleanly under heat without distorting, and hollow-vane internals draw air through the disc body to keep temperatures down. Pedal feel hardens, stopping distances contract, and the inconsistency that builds through a hard-driven afternoon disappears.
Three compounds let the spec match actual use: a daily-driven 420d needs different bite characteristics than an M440i on a track day, and those compound options acknowledge that without asking you to compromise. Street is the quiet, low-dust default; Sport adds bite and heat range for fast-road work; Racing is the dedicated circuit compound.
About the Hollow brake kit
The XYZ Racing caliper is built on a hollow body as standard, a big-disc, multi-compound upgrade for cars where the factory specification was drawn to comfort tolerances. The two-piece floating disc reduces rotating mass while maintaining structural rigidity, and the enlarged swept area distributes heat across a greater surface on consecutive hard braking events.
Caliper colour choice is a practical consideration as much as an aesthetic one: a properly finished coloured caliper resists the corrosion and peeling that degrades painted OEM iron in UK road conditions. It 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) and candy finishes (Candy Teal, Candy Blue, Candy Red, Candy Orange) take the look to show grade. Discs come drilled or slotted at the same price, and the centre bell can be specified two-tone in five anodized colours or in titanium. Pad compound selection (Street, Sport, or Racing) means the kit arrives tuned to your use case rather than forcing a single compromise across every buyer, and the Hollow Racing caliper upgrade (no dust cover, rated 1000C, two-year warranty) plus braided lines suit serious track use.
Fitment for the Bmw 4 SERIES F 32 (2013-2020)
This kit is specified for the BMW 4 Series F32 coupe across the full production run from 2013 to 2020. The F32 platform spans the 418i through to the 435i and 440i in both rear-wheel-drive and xDrive forms; confirm your OEM disc diameter and caliper bolt pattern before ordering, as M Sport brake packages affect the baseline front-axle spec.
What buyers also search for
- BMW 4 Series F32 front brake upgrade for track day and fast-road driving
- F32 420d 428i 435i big brake kit to address OEM brake fade under hard use
- BMW F32 brake caliper colour options visible through 18-inch and 19-inch alloys
- XYZ Racing hollow-vane brake disc kit for BMW 4 Series coupe 2013 to 2020
- BMW 4 Series F32 brake kit with Street, Sport, and Racing pad compounds
Select your pad compound, caliper colour, disc style, and centre bell from the options above when you order.
What’s in the kit
Front axle kit — supplied as a complete bolt-on assembly.
- 2×Two-piece floating discs — 356–444 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 4 SERIES F 32 appear here as the rest of the range publishes.