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10-24-2016, 08:06 AM | #1 |
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Z4 3.0 brakes at a track day
I have a 2010 Z4 3.0 with the stock brakes. I'm replacing the brake fluid with ATE racing fluid and I'm installing Cool
Carbon ST plus front pads. I plan on running a track day at Sebring. I'm concerned the stock brakes won't hold up very well after a few laps braking on Sebring's long straights. Any one have experience doing a track day with the 3.0 stock brakes?? |
10-24-2016, 04:39 PM | #2 |
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I don't have experience with the Z4 3.0, but I have done track days in both an E46 330i and a Z4 35i. The 330i got a set of Brembo carbon ceramic pads and the Z4 was on OEM pads and both had fresh fluid (just off-the-shelf Valvoline DOT 3&4; it gives me a firmer pedal than the ATE Super Blue I used to use). Neither one ever suffered more than the very slightest fade at the end of the hardest braking zone at California Speedway. I think if you make sure to flush and bleed your brakes so you have the maximum boiling point you'll have the same experience.
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10-24-2016, 10:00 PM | #3 | |
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10-25-2016, 11:41 AM | #4 |
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Yeah I didn't notice the difference initially either. I went from old fluid to ATE Super Blue and used that for years with annual flushes without issue. I used a pressure bleeder every time. Then I couldn't get the Super Blue anymore and figured I might as well just use what I can get and then if I didn't like it I could order something better later. Once I flushed out the Blue and got the Valvoline in it the pedal was noticeably firmer. I've read a few other comments about others having the same results.
I've considered going to a different high end brake fluid like Motul 600, but the total lack of fluid boiling issues I've had would make it a waste. |
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