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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Technical Forums > All-Wheel-Drive (Xi / xDrive) Talk > How many XI's out there with 500 WHP/TQ.?



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      05-23-2013, 02:52 PM   #23
X.X.I.V
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      05-23-2013, 05:39 PM   #24
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      05-23-2013, 07:25 PM   #25
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Traveling for a bit, but walnut blasting and battery recall are done, now just need to get scheduled for NLS and Flex Fuel enablement so I can work with Shiv and FFTEC to get the single Xi off 91 and on to either 100 pump and/or e85 during summer.

jpsimon is starting to push his Vargas Stage 2s, so he will likely be pushing 500 or close pretty soon
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      05-24-2013, 09:54 AM   #26
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Sweet did you already take it to the track
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      06-17-2013, 05:56 PM   #27
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Quote:
Originally Posted by ajsalida View Post
I don't think anyone has done the Alpina flash BEFORE running tons of TQ thru the drivetrain. Most people flashing now with RB's or similar power levels have either been beating their AT's on stock flash with no internal upgrades or beating them on Level 10 internals or similar still with stock flash. I think Terry has done some wizardry with the ECU and how it talks to the tranny but it is not clear to me what that is or does.

IOW unmolested 6HP21 tranny is virtually completely untested as far how well it will stand up to massive TQ when the right or at least better parameters are in the TCU. Probably too much to hope for as far as being bulletproof but maybe it will last a lot longer and not be so awful to drive.

We'll see.

edit: it is funny, one reason I got an AT + AWD was I was hoping there would be massive power available at some point (like GTR levels), and I thought an AT + AWD would prove to hold up better than MT + AWD. That is certainly the case on other platforms. Turns out the 6MT is nearly bulletproof and with a SMFW and better clutch that would have been a better choice in retrospect. Ah well.

So you think awd+6spm is better then awd=At to hold 500+hptq???
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      06-17-2013, 06:39 PM   #28
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So you think awd+6spm is better then awd=At to hold 500+hptq???
Yes definitely, as far as current tech goes.
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      06-18-2013, 04:25 AM   #29
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Yes definitely, as far as current tech goes.

Sounds great for me and other 6spm guys ,cause when i bought my car i was thinking the same thing, but after i read forums, i saw that AT is faster on 1/4 mile, and holds power normally, i thougt that i went the wrong way,but as i see for the highest demands 6spm is better!!!
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      09-10-2013, 10:39 AM   #30
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Bump for any news ?
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      10-07-2013, 05:17 AM   #31
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30-50 shot won't get you 500whp, I did a 100 shot and only hit 480whp. The problem was the trans was slipping, mostly due to the 550wtq. Nitrous makes crazy torque, so not the best solution for longevity on the 6AT in our cars.

What about 6sp manual. Would it be all right if i go that way???
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      11-30-2013, 04:08 PM   #32
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      03-01-2014, 04:28 AM   #33
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How much power does the AWD actually suck? I plan to go FBO with meth. I have or have ordered

JB4
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Meth

I know some non xi guys can about 420hp to the wheels. What can I expect? 400?
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      03-01-2014, 05:55 PM   #34
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Quote:
Originally Posted by whiteCanadian335xi View Post
How much power does the AWD actually suck? I plan to go FBO with meth. I have or have ordered

JB4
BMS DCI
Vrsf FMIC
AR catless DP
Meth

I know some non xi guys can about 420hp to the wheels. What can I expect? 400?
There is slightly more drag on the driveling, but you have a have advantage in actually putting the power to the ground instead of just spinning tires, which is why the XIs are usually faster.
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      03-01-2014, 06:47 PM   #35
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I love the torque on my e85 map it's actually fun making the xi get a little sideways
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      03-05-2014, 09:43 AM   #36
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Great thread! From a newbie 335XI Pre Lci sedan owner!
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      03-05-2014, 04:05 PM   #37
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almost there on power - x drive
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      03-05-2014, 05:13 PM   #38
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no clue what kind of power I'm making but my car breaks traction in 1st and 2nd gear at full throttle with about 40% E85. The Blizzaks I currently have on there probably make it easier but it's still surprising to me.
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