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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions > N54 Turbo Engine / Drivetrain / Exhaust Modifications - 335i > New personal record for 535XI



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      10-01-2011, 09:41 PM   #1
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New personal record for 535XI

OK here is the information.
Dragstrip: Top End Dragways, MN
Temperature: 70F
Fuel: 50% E-85 & 50% 91 Oct + 1 Can Lucas Octane booster.
Mods: 08 535XI, 65K miles, JB4, Injen CAI, water injection kit with CM 7 nozzle about 80% denatured alcohol/20% H2O, some beat-up Goodyear tires. No weight reduction. Stock turbo back exhaust.
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      10-01-2011, 09:44 PM   #2
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535 FTW
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      10-01-2011, 09:52 PM   #3
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Nice work with a 535i


How does E85 and 91 alone work for you? I wasn't sure anyione in the N54 community was running E85...
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      10-01-2011, 09:58 PM   #4
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World record for a 535xi?
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      10-01-2011, 09:59 PM   #5
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No problems with E85 yet. It does the job when racing fuel in not available.
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      10-01-2011, 11:03 PM   #6
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WINNER!
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      10-02-2011, 12:39 AM   #7
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Wow, you're moving! What was your race weight?
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      10-02-2011, 12:43 AM   #8
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Great work!! That 535 was moving. Interesting choice on the E85.
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      10-02-2011, 08:25 AM   #9
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Stock weight. Don't know what it weights, but there was no weight reduction done.
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      10-02-2011, 08:30 AM   #10
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Nice run!

Mike
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      10-02-2011, 09:12 AM   #11
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Thank you Mike.
Terry had allot to do in getting the car ready for this weekend.
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      10-02-2011, 08:09 PM   #12
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Damn that's a quick 60 foot time. Congrats. I assume you are running sround 16psi?
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      10-02-2011, 08:17 PM   #13
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The car ran 12.9 on MAP2 and the 12.5 was on custom MAP6 18.5PSI.
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      10-02-2011, 08:18 PM   #14
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Good work! Are you 6spd or auto? And that's actually not too far from me, cool.
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      10-02-2011, 08:20 PM   #15
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The car is Automatic.
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      10-02-2011, 09:31 PM   #16
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Nice run, but isn't 18.5 psi a lot of boost for a fairly stock car?
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      10-03-2011, 08:27 AM   #17
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Damn that's a fast 535!
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      10-03-2011, 09:41 AM   #18
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2008 BMW  [6.24]
That's what I ran at 15.8psi, but nice result for a 535xi
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      10-03-2011, 01:17 PM   #19
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Quote:
Originally Posted by TwinTurboXI View Post
Nice run, but isn't 18.5 psi a lot of boost for a fairly stock car?
He's running coolingmist to lower the charge temps...but yeah still seems a little high. I would imagine boost tapers off in the upper RPM range.
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      10-03-2011, 03:14 PM   #20
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Peak 18.5 tapering down is do-able with methanol. Although I would personally run a larger nozzle like m10.

Log would help justify where he can see improvement but great run nonetheless.
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      10-03-2011, 03:43 PM   #21
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How are you launching the car?
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      10-03-2011, 06:44 PM   #22
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Working on the log.
Launching at about 2400RPM. You can hear it building boost and when it starts overpowering the brakes I let it go.
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