Girodisc BMW F80 F82 F83 F87 Rear 370mm 2‑Piece Brake Discs for Blue Brembo Calipers – Pair (M2, M3, M4) – A2-186
Upgrade your BMW M2, M3 or M4 braking performance with the Girodisc 370mm rear 2‑piece floating slotted brake discs. Designed specifically for cars equipped with the factory blue Brembo calipers and iron rotors, these performance rear brake discs are a direct bolt-on replacement for the OE discs. No modifications, no hassle, just proven stopping power for fast road and track day use while maintaining factory brake bias and ABS efficiency.
Engineered and manufactured in the USA, Girodisc two‑piece rotors combine a lightweight 6061‑T6 aluminium hat with a proprietary cast iron rotor ring. The curved vane, vented design pumps cooling air through the disc for outstanding heat management and fade resistance. Precision slots refresh the pad surface and the zinc coating helps protect against corrosion. A true upgrade for BMW F80 M3, F82 M4, F83 M4 Convertible and F87 M2 with blue Brembo calipers.
Why choose Girodisc rear 370mm 2‑piece brake discs?
- Direct OEM replacement: bolts straight on with factory blue Brembo rear calipers
- Maintains OE brake bias and ABS function for confident braking
- Two‑piece floating construction to reduce unsprung mass and improve heat control
- Curved vane, vented rotor acts as a centrifugal pump to maximise cooling
- Slotted friction faces for consistent bite and pad deglazing
- Anti‑noise spring washers minimise rattle while allowing thermal expansion
- High‑strength alloy steel drive pins, cadmium plated for corrosion resistance
- Class 12.9 fasteners with hardened washers for durability
- Serviceable design: replace the cast iron rings when worn, reuse the hats
- Sold as a matched pair for the rear axle
At Nforcd we have fitted and run these Girodisc rear rotors on our own cars and for many BMW M customers. The feedback is consistently excellent: stronger, more consistent braking on spirited road drives and track days, with quality fitment and road manners you can live with every day.
Key specifications
- Disc diameter: 370 mm
- Maximum thickness: 24.0 mm
- Construction: 2‑piece floating
- Vane style: curved vane
- Type: vented
- Finish: slotted and zinc coated
- Material: proprietary cast iron rotor, 6061‑T6 aluminium hat
- Part number: A2-186
Compatibility
These rear 370mm Girodisc brake discs are suitable only for BMW models with blue Brembo calipers and iron rotors:
- BMW M Series F80 M3 Saloon S55 (2012–2015)
- BMW M Series F80 LCI M3 Saloon S55 (2015–2018)
- BMW M Series F82 M4 Coupe S55 (2013–2017)
- BMW M Series F82 LCI M4 Coupe S55 (2016–2019)
- BMW M Series F83 M4 Convertible S55 (2013–2017)
- BMW M Series F83 LCI M4 Convertible S55 (2016–2019)
- BMW M Series F87 LCI M2 N55 (2016+)
Please note: Not suitable for red, silver or gold calipers, and not for carbon‑ceramic applications.
Perfect pairing
For a complete brake upgrade, match these with the Girodisc BMW F80 F82 F83 F87 Front 380mm 2‑Piece Brake Discs for blue Brembo calipers.
Fitting and support
We recommend professional installation. Nforcd offers supply and fitting from our Warwickshire base. To request a fitting quote or discuss your BMW M brake setup, email Sales@nforcd.com.
Compatibility check before dispatch
We will verify fitment prior to shipping. Provide your UK registration number or the last 7 digits of your VIN at checkout so we can confirm these discs suit your specific BMW M2, M3 or M4 with blue Brembo calipers.
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