XYZ Racing Hollow Rear Brake Kit — Bmw 5 SERIES E 61 550 (2004-2010)

The E61 550 is the heavy one of the range: BMW’s N62 4.8 V8 dropped into the Touring bodyshell, with self-levelling air at the rear and the better part of two tonnes to haul down from a derestricted cruise. The rear axle on this car works harder than most owners credit, and the standard discs run short of thermal headroom long before the fronts do. The XYZ Racing Hollow Rear Brake Kit for the Bmw 5 Series E 61 550 rebuilds that end of the car with more disc, a stiffer caliper and a pad choice the factory never offered.

This is the rear half of a balance fix – a pair of left and right rear calipers and two-piece floating discs – not a styling exercise. On a fast estate that lives on motorways and the occasional circuit day, a stronger rear axle restores the brake bias the car needs under hard, repeated stops rather than leaning the whole job onto the front pair.

What this big brake kit does for your 2004-2010 Bmw 5 Series E 61 550

Fit the kit and the first thing you feel on a 2004-2010 Bmw 5 Series E 61 550 is a firmer, more progressive rear pedal that holds up after a string of high-speed stops, helped by the braided lines. The three pad compounds let you match the car to its job: Street for daily commuting and low dust, Sport for spirited fast-road driving and the odd track day, and Racing for track days where the rear discs see real heat. A larger rear rotor adds thermal mass, so repeated stops from three-figure speeds no longer cook the rear end into a long, soft pedal. On a Touring carrying weight over the rear axle, that extra rear capacity keeps the car square under braking instead of nose-diving onto the fronts.

About the Hollow Rear Brake Kit

XYZ Racing’s Hollow Rear Brake Kit is a matched rear-axle package: two-piece floating discs, a rigid multi-piston caliper, pads and the mounting hardware needed to bolt it to the E61’s rear hubs. The aim of the upgrade is heat management and clamp consistency – a stiffer caliper body flexes less as temperatures climb, so the pedal feels the same on the tenth stop as it did on the first. 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. Pads come in three compounds – Street, Sport and Racing – so one kit suits a daily-driven 550 Touring or one that sees regular circuit use, and the discs can be specified drilled or slotted at the same price. Calipers are 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. Everything is sized for the rear of the 5 Series E61 specifically, which is what keeps the front-to-rear bias correct rather than overwhelming one axle.

Fitment for the Bmw 5 Series E 61 550 (2004-2010)

This kit is built for the Bmw 5 Series E 61 550 Touring across the 2004-2010 production run, with the N62 V8. It mounts to the factory rear hubs using fitment-specific brackets. Confirm your exact build year using the options above before ordering.

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Choose your pad compound, disc style and caliper colour above, then build your rear kit for the E61 550 when you order.