vs
Brake discs GiroDisc or OEM BMW
Saves energy when braking. Its really satisfying to see the range go up when slowly braking downhill. This also saves your brake discs from wearing out fast, (just remember to use the brakes some times so they dont rust).
Pros: Saves energy when braking
Cons: need to charge often
Vehicle:
BMW
Reliability and safety are my main concerns right now, so I also have Girodisc rotors
Pros: reliability and safety
Vehicle:
Porsche
Almost every car in our PCA club runs GiroDiscs, even the GT and RS cars. Never heard a single complaint, and love them on my C2 and GT3.
Pros: no complaints, love them
Vehicle:
Porsche 911
We are on our fifth weekend with our girodisc two piece rotors. Yes they are expensive, but they are worth it. They are so much better with heat management.
Pros: better heat management
Cons: expensive
Follow up after my track day: The Girodiscs + Pagids were amazing. Tons of bite, and zero fade, plus plenty of pedal feel after two days of running hard at VIR.
Pros: tons of bite, zero fade
I have had great success with Girodisc rotors this summer. I have been using Ferodo DS2500 pads for a few years and love them, but rotor temperatures would hit 800+ degrees after track sessions and conventional rotors, like Stop Tech, developed surface cracking and maybe a bit of warp. Girodisc rotor temps have been around 550 degrees after sessions this summer.
Pros: lower rotor temperatures, great success
Cons: surface cracking, bit of warp
Today I actually saw a car where the wheels had fallen off. I had to dodge a brake disc in the road lol.
Vehicle:
BMW
Verdict - Preformed great, very pleased!!!!
Pros: preformed great, very pleased
Vehicle:
Audi
Ever notice how BMW does not use cross drilled rotors. I think Porshe is also open about the fact they only use them for the looks. HMMMM
Pros: BMW doesn't use drilled rotors
Cons: Porsche uses them for looks
BMW OEM rotors after 4 years and 35k miles. Junk build quality now
Cons: junk build quality
Mileage: 35000 km
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Comparisons
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VS
Brake discs Zimmermann or POWER STOP
VS
Brake discs Brembo or Zimmermann
VS
Brake discs Brembo or POWER STOP
VS
Brake discs Zimmermann or Centric
VS
Brake discs Zimmermann or STOPTECH
VS
Brake discs Zimmermann or OEM Volkswagen
VS
Brake discs Zimmermann or EBC
VS
Brake discs Zimmermann or Raybestos
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