XYZ Racing Hollow Rear Brake Kit — Bmw 5 SERIES E 61 520 (2004-2010)

The E61 Touring carries its mass differently to the E60 saloon – the self-levelling rear end and the extra body behind the rear axle put real, sustained load through the back brakes on long descents and under repeated stops. The XYZ Racing Hollow Rear Brake Kit for the BMW 5 Series E61 520 addresses that directly, swapping the standard rear discs and calipers for two-piece floating discs built to shed heat and hold a firm pedal when the factory parts start to fade.

For an estate that spends its life loaded – kids, gear, the occasional trailer – the rear axle does more braking work than the modest 520 badge suggests. This is a rear-axle kit, a pair of left and right rear calipers and discs that gives the car a rear end that stays consistent once the standard discs are heat-soaked, and it pairs cleanly with a front upgrade to keep the car’s brake balance honest.

What this brake kit does for your 2004-2010 BMW 5 Series E61 520

After fitting, the first thing you notice on the BMW 5 Series E61 520 is a rear brake that no longer goes vague after a run of hard stops. The two-piece floating disc design carries heat away faster than the solid factory rear rotor, so pedal feel stays firm through a loaded descent or repeated motorway braking, with braided lines holding the bite. Three pad compounds – Street, Sport and Racing – let you match the rear to how the car is actually used, from a quiet daily estate on the Street pad, through spirited road work on Sport, to the odd track session on Racing. The result is a more progressive pedal and a rear axle that bites in proportion to the front, which matters on a long-wheelbase rear-drive car that can feel nose-led when only the front brakes have been touched. Caliper finish is yours to pick – painted at no extra cost in Red, Yellow, Gold, Black or Anodized Black – so the upgrade looks deliberate behind the wheel spokes.

About the Hollow Big Brake Kit

The Hollow Big Brake Kit is built around two-piece floating discs: a vented cast-iron friction ring on an alloy bell that sheds heat more effectively than a standard solid casting while trimming rotating mass at the rear axle. As a rear-specific kit it works the back of the car, pairing uprated calipers with the discs and a choice of pad to suit the duty cycle. The Street pad keeps things road-friendly and quiet; Sport steps up bite and fade resistance for harder road use and occasional track days; Racing is there for owners who push a heavy estate further than its makers intended. Calipers are hollow-cast as standard, with a Hollow Racing upgrade for serious track use that loses the dust cover for a 1000C rating and a two-year warranty. Discs come drilled or slotted at the same price, centre bells upgrade to two-tone anodized in five colours or titanium, and beyond the included painted finishes you can specify Custom Color in any Pantone for £150, premium polished-forged Titanium, Polished Gold and Polished Silver, or candy Teal, Blue, Red and Orange. Because it is built around the E61’s rear geometry rather than a generic adapter, the kit suits owners who want genuine thermal capacity and a firmer, more repeatable pedal, not just a colourful caliper. It is the rear half of a balanced conversion, meant to run alongside a matching front kit.

Fitment for the BMW 5 Series E61 520 (2004-2010)

This kit is built specifically for the BMW 5 Series E61 520 Touring of 2004 to 2010, fitting the rear axle of the E61 chassis. It is a rear-position kit, so confirm your front brake setup separately if you are building a full front and rear conversion. Only the rear fitment supplied here applies – check your exact disc and caliper sizing against your car before ordering.

What buyers also search for

• BMW 5 Series E61 520 rear brake upgrade for a heavy, load-carrying Touring
• E61 520 big brake kit that resists fade on long descents and under tow
• BMW 5 Series rear brake kit with Street, Sport or Racing pad options
• E61 Touring rear two-piece floating disc upgrade to balance a front big brake conversion
• Rear disc kit for the 2004-2010 5 Series with a choice of caliper colour

Choose your pad compound, disc style and caliper colour above, then configure your BMW 5 Series E61 520 rear brake kit when you order.