XYZ Racing Hollow Rear Brake Kit — Bmw 6 SERIES E 63 (INCLUDING M6) (2003-2010)

The E63 6 Series carries its mass like the grand tourer it is – long wheelbase, generous kerb weight, and in M6 form a 500bhp S85 V10 that piles on speed faster than the factory rear brakes were ever asked to scrub off. This XYZ Racing Hollow Rear Brake Kit for the BMW 6 Series E 63 (including M6) goes after exactly that problem: the back axle’s share of the work under hard, repeated stops.

Mounted at the rear as a pair of left and right calipers and two-piece floating discs, it handles the load that shifts forward every time you lean on the pedal. For a 2003-2010 6 Series coupé driven hard on a B-road or stretched on an occasional track day, it keeps the rear end settled while the fronts take the brunt.

What this brake kit does for your 2003-2010 BMW 6 Series E 63 (including M6)

On a car this heavy, rear brake feel is what keeps the back axle planted as weight pitches forward, and the two-piece floating disc design cuts rotational mass so the rears respond more crisply to pedal input. Three pad compounds – Street, Sport and Racing – let you match bite and heat tolerance to how you actually use the car, from quiet commuting on the Street pad, through fast road and occasional track days on Sport, to harder sessions on Racing where the standard pads would start to fade. The fixed caliper and braided lines give a firmer, more consistent pedal than the sliding factory setup, which matters most on the M6 when the V10 has the 6 Series moving at a serious clip. The result is a rear end that stays composed through repeated heavy braking rather than going soft as the heat builds.

About the Hollow brake kit

The Hollow rear kit is built around two-piece floating discs with a lightened friction ring on an alloy bell that trims rotating and unsprung mass at the back axle – useful on a car as portly as the E63. It is a bolt-on rear upgrade designed to work with the rest of the chassis rather than overwhelm it, using a fixed caliper for stiffer, more predictable clamping, and discs can be specified drilled or slotted at the same price. The caliper body is hollow-cast as standard, with a Hollow Racing upgrade for serious track use that drops the dust cover for a 1000C rating and a two-year warranty. Pad choice is yours across three compounds: Street for road use, Sport for fast-road bite and the odd track day, and Racing for sustained heat under track conditions. Calipers come painted at no extra cost in Red, Yellow, Gold, Black or Anodized Black, with Custom Color in any Pantone for £150, premium polished-forged Titanium, Polished Gold and Polished Silver, and candy Teal, Blue, Red and Orange; centre bells upgrade to two-tone anodized in five colours or to titanium. It is engineered specifically as a rear-axle solution for the heavier, faster end of the E63 range.

Fitment for the BMW 6 Series E 63 (including M6) (2003-2010)

This kit is the rear-position fitment for the BMW 6 Series E 63 coupé, including the M6, across the full 2003-2010 production span. It is supplied with your choice of Street, Sport or Racing pad compound and a caliper colour from the available finishes. Confirm your exact build and year using the options above before ordering.

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Choose your pad compound, disc style and caliper colour above to suit how you drive your E63, then configure yours when you order.