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11-20-2015, 01:15 PM | #23 |
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The E36 crash bolts work identically on a Z4M as they work on the E36 platform. You can just get those if you want. That being said, they are not legal for a 'street' class. Per the rules they must be prescribed by the manufacturer in order to be allowed and they are not prescribed by BMW. Scion/Toyota is an example of a manufacturer who prescribes them so they are allowed for the FRS crowd.
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11-20-2015, 04:34 PM | #25 | |
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11-20-2015, 05:45 PM | #26 | |
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It's just mind boggling that for Street class SCCA considers all Z4's from the 2.5 to the M equal, but doesn't allow the M in STR. Even with the 255s you should be able to get to -2.0 degrees with the camber shims. You'll have to keep an eye and the spacing between the inner tire sidewall and the strut body. Worst case you use a 5mm spacer to give added clearance if needed. If you install camber plates it's moot because the whole steering knuckle and strut move as one so the spacing between the tire and strut remain constant.
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Last edited by dc_wright; 11-20-2015 at 05:50 PM.. |
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11-20-2015, 06:41 PM | #27 | |
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I agree. I wish we had a ST class to play in. I'd like to see it go into STR or STU but oh well.
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11-20-2015, 07:00 PM | #28 | |
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https://www.crbscca.com/ Can't make a change unless you request it. Honestly, it's one of the main reasons why I bought a 128i for a full tilt STX build. It's pretty fun too I guess |
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11-21-2015, 10:06 AM | #29 |
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Any thoughts on brake pads for autocross. I really like how the stock pads feel, it stops on a dime. I had Carbotech 1521's on my STi that I really liked for autocross. KNS Brakes sells them for the the E46 w/competition brake package. I am assuming that is the same as the Z4m Brake package. I don't see any reference to Carbotech in the Z4M community as of yet (I'm still new)
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11-21-2015, 06:20 PM | #30 |
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I've used the Akebonos for autocross and they did fine. I'm currently running Performance Friction Z Rated pads and I'm fairly happy with them. They're not terribly dirty, they're well behaved for street driving (decent initial bite and no noise), they do fine for autoX, and have been Ok for light track days. I ran Hawk Street/Race pads for a bit as I was doing more track events, but they were hideously noisy and it was difficult to get them warm enough for good performance for autocross.
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11-21-2015, 10:09 PM | #31 | |
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11-21-2015, 10:21 PM | #32 | |
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I will no longer support HP+. It's an awful pad |
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