XYZ Racing Hollow Rear Brake Kit — Bmw 3 SERIES F 30 320I (OE185) (2012-2018)

The F30 320i carries its mass well forward of the cabin and runs a modest single-piston sliding caliper at the rear, specified for a comfortable saloon rather than for repeated heavy stops. The XYZ Racing rear brake kit for the BMW 3 Series F30 320i (OE185) goes straight at that weak point, giving the rear axle the thermal headroom and pedal consistency the standard hardware runs short of once you start braking from real speed.

Rear braking matters more on this car than most owners assume. It sets how the F30 settles on turn-in and stops the fronts from carrying the entire load on a long descent or a busy track session. This kit fits a pair of two-piece floating discs and a pair of larger calipers to the rear of the 320i, with a choice of pad compound so the back of the car stays planted when you brake late.

What this big brake kit does for your 2012-2018 BMW 3 Series F30 320i

The lightweight rotor design trims rotating mass at the wheel, which the F30 320i feels as slightly quicker response and less drag on the rear axle. The larger disc and caliper add surface area and heat capacity, so the pedal holds firm through consecutive stops instead of going long as the standard rear disc heats up. Three pad compounds let you match the car to its job: Street for quiet, low-dust town and motorway use, Sport for fast-road bite from cold, and Racing for sustained track temperatures. The result is a more balanced car under braking, with the rear staying composed rather than nervous as you load the front. Caliper finishes run from painted Red, Yellow and Gold through Black and Anodized Black at no extra cost, so the look behind the wheel matches the build.

About the rear brake kit

The XYZ Racing kit is built around a two-piece floating disc that reduces unsprung and rotating weight without giving up rotor diameter. The friction ring floats on its alloy bell to stay flat under heat where a fixed solid rotor would distort, and the disc face is available drilled or slotted at the same price. It pairs that disc with an upsized caliper matched to the rear corner of the F30, lifting both clamping force and the amount of heat the assembly can absorb and shed before fade sets in. The system is supplied with a choice of three pad compounds, Street, Sport and Racing, so the same hardware suits a daily 320i or a car that sees regular track time. Painted caliper colour finishes, Red, Yellow, Gold, Black and Anodized Black, are included, with premium polished-forged, candy and Custom Pantone routes alongside, and the caliper is hollow-cast as standard with a Hollow Racing upgrade for serious track use. It is a complete rear upgrade aimed at owners who want more braking substance from the 320i without changing how the car behaves day to day.

Fitment for the BMW 3 Series F30 320i (2012-2018)

This kit is specified for the BMW 3 Series F30 320i (OE185), covering the 2012 to 2018 production run, and fits the rear axle. Confirm your car is the F30 320i variant against the OE185 reference shown here before configuring, as the rear caliper and disc dimensions are matched to that specific fitment.

What buyers also search for

• BMW 3 Series F30 320i rear big brake kit for road and track use
• F30 320i rear brake upgrade with two-piece disc to cut rotating mass
• BMW 320i rear caliper colour options including Red, Yellow, Gold and Black
• F30 brake pad compound choice covering Street, Sport and Racing use
• 2012-2018 3 Series rear brake kit that holds pedal firmness on repeat stops

Pick your pad compound, disc style and caliper finish from the options above when you order your F30 320i rear brake kit.