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Big Brake Kit

XYZ Racing Hollow Rear Brake Kit — Bmw 1 SERIES F40 (2019-2026)

SKU: XYZ-BRK-BKR-BM-090-REAR

  • IncludesRear axle pair (2 discs + 2 calipers)
  • PositionRear
  • Disc Ø356–421 mm
  • Caliper pots6 / 8-pot
  • Lead time10–15 working days

Fits Bmw 1 SERIES F40 (2019-2026)

Brake pad compound

Street: quiet, low-dust, strong cold bite for road driving. Sport: higher temperature range and more bite for fast road and occasional track. Racing: maximum fade resistance for sustained track use (noisier and dustier cold). Match the pad to how hard you actually brake.

Disc size

Caliper grade

Hollow is the standard caliper: a lighter hollow-body forged caliper with a dust cover and a 5-year warranty. Hollow Racing drops the dust cover for sustained high-temperature use (rated to 1000°C, 2-year warranty) — the track-grade choice.

Caliper colour

Painted colours are included. Polished-forged finishes are mirror-polished forged calipers (Titanium, Gold, Silver); candy colours are a deep, mirror-reflection paint. Both are premium upgrades — fuller detail further down the page.

Painted — includedTell us the exact Pantone (PMS) code you want the calipers painted.Polished forgedCandy
Disc style

Drilled discs (cross-drilled holes) vent gas and water and look aggressive; slotted discs (surface grooves) wipe the pad face clean and resist fade under sustained hard use. Same price — choose on looks or how you drive.

Centre bell

The centre bell is the CNC-machined aluminium hat that joins the disc to the hub. Standard anodized is included; a two-tone bell adds an anodized accent ring in your choice of colour; titanium is the lightest, forged option.

Carbon-ceramic rotor

Carbon-ceramic rotors are a special-order track upgrade: far lighter than steel, fade-resistant at extreme temperatures and extremely long-lived. The price follows the disc size you choose above. The standard two-piece steel rotor is included.

Configured price£3,000.00Inc. VAT

Lead time: 10–15 working days from payment


£3,000.00

Made to order. Full payment is taken at checkout. Production begins once payment is confirmed.

Pay by card, Apple Pay, Google Pay — or Klarna on eligible orders.

Caliper render for this kit:

XYZ Racing Hollow Rear Brake Kit — Bmw 1 SERIES F40 (2019-2026) — 356 mm
356 mm

The F40 1 Series broke with three decades of BMW orthodoxy: it dropped rear-wheel drive for the transverse, front-driven UKL platform shared with the X1 and 2 Series Gran Coupe. That layout loads the front axle hard under braking and leaves the rear axle to manage stability rather than outright stopping force, which is exactly the job this XYZ Racing rear brake kit is built to do on the Bmw 1 Series F40.

Sized for the rear of the 2019-2026 car, the kit pairs a two-piece floating disc with a forged caliper to trim rotating mass and hold a firmer, more repeatable pedal. On an M135i xDrive running around 300bhp, or a hard-driven 118i pushed on a B-road, that means the back of the car stays planted as weight pitches forward instead of skating light.

What this brake kit does for your 2019-2026 Bmw 1 Series F40

The two-piece floating disc strips rotational and unsprung mass from the rear corners, so the axle responds quicker and sheds heat faster than the cast OE rotor during repeated stops. The forged caliper resists flex that softens the standard sliding setup, giving you a higher, more consistent pedal you can lean on with confidence. Three pad compounds, Street, Sport and Racing, let you match the rear bias to how you actually drive the F40, from daily commuting to a full track session. On the nose-heavy FWD and xDrive chassis, a more controlled rear axle under trail braking helps the 1 Series rotate cleanly into a corner rather than washing wide.

About the Rear Brake Kit

This is an oversized rear brake conversion that replaces the F40’s modest factory rear discs and sliding calipers with a larger rotor and a rigid forged-caliper assembly, supplied as a matched pair of left and right rear units. The two-piece floating disc removes material to lower rotating weight while keeping the swept area needed to manage heat under load, and its hollow-vane construction speeds cooling; the disc comes drilled or slotted at the same price, on braided lines. The forged caliper is hollow-body as standard, with an optional Hollow Racing upgrade (no dust cover, 1000C rated, two-year warranty) for serious track use. The caliper clamps a substantially bigger pad footprint, and you choose the friction level when you order from Street, Sport or Racing compound. 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 designed for owners who want genuine rear braking durability and a cleaner pedal on a platform that asks a lot of its front end.

Fitment for the Bmw 1 Series F40 (2019-2026)

This kit fits the rear axle of the F40-generation Bmw 1 Series, covering model years 2019 to 2026. It is a rear-position conversion, so it suits cars where the standard rear discs and sliding calipers are the limiting factor. Confirm your exact F40 variant and wheel clearance against the spec shown when you order.

What buyers also search for

  • BMW 1 Series F40 rear brake upgrade for road and occasional track days
  • F40 M135i xDrive big brake kit with a Racing pad compound option
  • 1 Series F40 caliper colour choices in Red, Yellow, Gold, Black or custom Pantone
  • BMW 1 Series F40 two-piece floating rear kit for reduced rotating mass
  • Rear braking durability upgrade for the 2019-2026 BMW 1 Series

Choose your pad compound and caliper colour, then configure your F40 rear 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 — 356–421 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: Electronic parking brake (EPB) compatible.

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.

Hollow Racing caliper

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).

Polished forged caliper finishes
Candy caliper colours

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.

Two-tone anodized centre bells
Same car

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