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  1. I run at VIR all the time. The two long...

    I run at VIR all the time. The two long straights are not were you make time. It's on the other areas... The longest straight is the back (approx. 4300feet) but you enter that from turn 12...
  2. Glad to here this. I have been 'quietly'...

    Glad to here this. I have been 'quietly' monitoring this thread.

    While you are getting yours back, mine is now up on stands. I had a run in with a tire wall this weekend and the repairs are in...
  3. E89 Z4: While I would not give up my ///M Coupe', I think...

    While I would not give up my ///M Coupe', I think a hard top E89 with a V8 would make it a nice garage mate...... Hardtop only, since you cannot take a folding hardtop on the track....
  4. NorthEast: I had a really good time. The best part for my...

    I had a really good time. The best part for my was my 60 min. talk with James Clay on driving techniques and usable upgrades..
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    E85 Z4: Did some searching and found the torsional...

    Did some searching and found the torsional rigidity data on the E9X. 24,000Nm are the numbers for E90 sans fold down seats, ~19,500Nm is the E92.

    I have not been able to find any solid torsional...
  6. E85 Z4: Ok, here are the pictures, taken in January just...

    Ok, here are the pictures, taken in January just after I installed it.

    Installation only took me about four hours.

    My mounting is almost identical to his except for the two small turnbuckle...
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    E85 Z4: I don't know what the chassis rigidity is for the...

    I don't know what the chassis rigidity is for the E90 series, but the chassis rigidity for the Z4 Roadster (M and non-M) is 16000 Nm/deg. Just for a data point, the Z4 Coupe's chassis rigidity is...
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    E85 Z4: The way that I understand it after reading, he...

    The way that I understand it after reading, he switched not just because of the V10 but also because he could not dial in the suspension settings he wanted consistently.

    He was looking for a...
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    E85 Z4: Thanks. Good info...

    Thanks.

    Good info...
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    E85 Z4: FR305, Why did you not just start with a Z4M...

    FR305,

    Why did you not just start with a Z4M that way you would not have to do a transplant or upgrade the other components?

    This is not a criticism. I just would like to know you’re though...
  11. E85 Z4: I have that splitter on my car now. After two...

    I have that splitter on my car now. After two track days with it on, I can tell you that it helps out, A LOT...

    I have another track weekend in May.
  12. As a general rule of thumb, for every pound of...

    As a general rule of thumb, for every pound of unsprung weight you lose, it equates roughly to 10lbs of total weight.
  13. E82/E88: Just for sake of accuracy, the E85 is the...

    Just for sake of accuracy, the E85 is the Roadster and it's M variants time was 8:15. The Coupe is the E86 with the M variant running 8:12, though that is not an official BMW time.
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    S54: The E46 uses a MS S54 ECU. The Z4M uses a MS...

    The E46 uses a MS S54 ECU. The Z4M uses a MS S70.

    I have heard other things like 'the the MS S70 ECU is very similar to the M5/M6 ECU's', but do not know.

    The M5 & M6 uses a MS S65 ECU and as...
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    S54: Sounds like a research project.

    Sounds like a research project.
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    S54: I don't think that applies to the Z4Ms. We have a...

    I don't think that applies to the Z4Ms. We have a newer, faster ECU than the E46 M3, which is why so few tuning mods apply to our cars; the tuners didn't bother cracking the ECU for such a small...
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    S54: (http://www.bimmerboost.com/member.php?982-fr8tdog...

    fr8tdog

    This is an interesting thread. If I remember you are running a Z4M, correct?

    I have been lead to believe that the ECU on the Z4M is way different than what is on a E46 and is very...
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    E85 Z4: Thanks. It drives better than it looks...

    Thanks.

    It drives better than it looks...
  19. Done

    Done
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    E85 Z4: Sticky Asked For Pics. Here They Are.

    My 2008 Z4MC. 12600 miles.

    http://www.bimmerboost.com/images/imported/2010/05/2377.jpg


    My Wife's 2003 Z4. 66000 miles.

    Tail of the Dragon. Car is dirty. Rained for two days and on the...
  21. I like the idea of the weight, but not the style....

    I like the idea of the weight, but not the style. Must be personal preference.

    I have ACS Type III Racing wheels on my wife's Z4 Roadster.
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    E85 Z4: As another Z4MC owner here, nice ride.........

    As another Z4MC owner here, nice ride.........
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    S54: The Z4M Coupe curb weight is 3230lbs. That is...

    The Z4M Coupe curb weight is 3230lbs. That is from the owners manual.
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    Poll: My 2003 Z4 Roadster had 65K. Only minor issues. ...

    My 2003 Z4 Roadster had 65K. Only minor issues. But I did pull the Vanos to replace the internal O-rings.

    My 2008 Z4M has 10K, but I bought it in Feb. and it only had 4100 miles on it.... I...
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    S54: Your DCT upgrade thread is pretty good encore.

    Your DCT upgrade thread is pretty good encore.
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