XYZ Racing Hollow Rear Brake Kit — Bmw 3 SERIES E 90 335 (OE185) (2006-2011)

For sustained track work in an E90 335i, the rear axle does more than most owners give it credit for, and the standard single-piston sliding calipers are the first thing to cry off once heat builds. The XYZ Racing Hollow Rear Brake Kit for the Bmw 3 Series E 90 335 (OE185) targets exactly that weakness, replacing the modest factory rear setup with a larger, fade-resistant package sized for the way the twin-turbo straight six loads the back of the car under braking.

This is a rear-specific upgrade, supplied as a left-and-right pair and built either to balance a bigger front conversion or simply to claw back the stopping consistency the factory left on the table. The two-piece floating disc trims rotating and unsprung mass at the back axle, and the kit is supplied ready for your choice of pad compound so rear bite matches how hard you actually lean on the car.

What this brake kit does for your 2006-2011 Bmw 3 Series E 90 335 (OE185)

The first thing you notice is a firmer, more progressive pedal that holds its travel deep into a braking zone, rather than going long once the rears have soaked up a few hard stops. Because the 335i carries real torque and a willingness to rotate on a trailing throttle, a stronger rear end lets you trail-brake into a corner with more confidence and less of the nervousness that comes from an overworked stock rear. The hollow-vane rotor pulls weight off the back axle, which sharpens turn-in and takes load off the rear dampers. Pad compound choice, Street, Sport or Racing, means you can run a quiet, dust-friendly setup for daily driving or a high-bite compound for circuit days. Repeat braking events stay consistent instead of tailing off as the discs heat-soak.

About the Hollow rear brake kit

The Hollow rear brake kit takes its name from the hollow-vane rotor on its two-piece floating disc, which removes material to cut rotating mass without giving up the swept area you need to manage heat on a 1,500kg-plus saloon. It is engineered as a rear-axle package for the E90 335, pairing an uprated disc with a caliper that clamps harder and more evenly than the factory sliding unit. Three pad compounds are offered, Street for quiet, low-dust road use, Sport for fast-road and occasional track, and Racing for dedicated circuit duty, so the kit can be specified for the job at hand rather than sold as a one-size-fits-all part. Disc faces can be drilled or slotted at the same price. Caliper finishes are available in Red, Yellow, Gold, Black and Anodized Black at no extra cost, with a Custom Color in any Pantone and premium polished-forged or candy options to suit the car, and a Hollow Racing caliper upgrade for committed track use. The whole kit is sized specifically around the OE185 rear spec for this chassis, so geometry and clearances are matched to the car rather than adapted from a generic fitment.

Fitment for the Bmw 3 SERIES E 90 335 (OE185) (2006-2011)

This kit is built for the E90 335 saloon with the OE185 rear specification, covering the 2006 to 2011 model years and mounting as a left-and-right pair. It is a rear-axle fitment intended to complement the standard or uprated front brakes on this chassis. Confirm your rear handbrake and disc spec against the OE185 reference before ordering so the caliper and disc geometry line up correctly.

What buyers also search for

• Bmw 3 Series E90 335i rear big brake upgrade for track days and fast road use
• E90 335 rear brake kit with Racing pad compound for repeat heavy braking
• Hollow lightweight rear discs for the 2006-2011 BMW 3 Series E90 335
• E90 335i rear caliper colour options in Red, Yellow, Gold, Black or Anodized Black
• BMW 3 Series rear brake balance upgrade to match a front big brake conversion

Choose your pad compound and caliper colour, then configure your kit using the options above to match it to your E90 335.