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      06-16-2012, 03:57 PM   #1
1911A145
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Finally got to test the COBB tune out...

Car: 2008 135i
Mods: BMW DCI, Secondary cat delete
Tune: COBB AP Stage 1 Agressive


So I finally got to try ou the COBB AP tune last night here in South Florida and wanted some opinons...

Bone stock, the car went 13.9 103 MPH. I was a little disapointed but figured the software update had something to do with it. Installed the AP and felt a nice increase in power. I then piped out the secondary cats and came to find out the drivers side secondary cat converter was partially clogged...

Went to the track last night and my first pass was:

60' - 2.013
330 - 5.517
1/8 - 8.403
MPH - 85.43
1000' - 10.884

ET - 12.973
MPH - 108.35

So I dropped a second off the stock time and gained a few MPH. Should I be happy about this or am I suppose to be expecting more? The car moves, and feels solid in the power band. shifts nice, but I expected my MPH to be around 110-112.

Temp was 82 degrees, sea level, and no wind nor any humidity. the 4 runs after this were all 13.0 passes. Thanks for any input

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      06-17-2012, 11:40 AM   #2
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possiability some heat soak with a stock FMIC. A after market inercooler might keep the runs more consistant. Also with heat soak the ECU will cut power some whitch otherwise might give you another few MPH on the top end.
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      06-17-2012, 09:39 PM   #3
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Quote:
Originally Posted by 1Fasst1 View Post
possiability some heat soak with a stock FMIC. A after market inercooler might keep the runs more consistant. Also with heat soak the ECU will cut power some whitch otherwise might give you another few MPH on the top end.
That's what I was thinking as well. Plus I'd imagine that those few cars that trapped 110+ on Cobb stage 1 were running in like 60 degree temps. I'm running 2+ and the power increase is quite noticeable between 55-65 and 80+ degrees.
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      06-18-2012, 11:43 AM   #4
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Thanks guys. I guess since I live in Florida I will have to wait until January for the one week of 60 degree weather we have to test out this theory... lol.

Hopefully I still have the car and am already stage 2+ by then...
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      06-18-2012, 12:11 PM   #5
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Seems normal especially for how hot it has been in South Florida lately.
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      06-18-2012, 12:24 PM   #6
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Quote:
Originally Posted by ragingpanda View Post
Seems normal especially for how hot it has been in South Florida lately.
I figured as much. I didnt know what to expect. What are others running in the 1/4 mile with just an AP stage 1 like me? Thanks.
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      06-18-2012, 12:58 PM   #7
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Quote:
Originally Posted by 1911A145 View Post
I figured as much. I didnt know what to expect. What are others running in the 1/4 mile with just an AP stage 1 like me? Thanks.
Mid to high 12s seems the norm for Stage 1 cars from what I've seen.
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      06-18-2012, 01:00 PM   #8
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Quote:
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Mid to high 12s seems the norm for Stage 1 cars from what I've seen.
Thanks. I guess more mods are in store then
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      07-27-2012, 10:19 PM   #9
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What are you running as far as tires. If you get something a little stickier and drop that 60 ft you will do better. I think the rule of thumb is every tenth you drop in the 60 ft is two tenth at the end of the quarter. If you get it down to 1.8 60 ft there is your mid 12.
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      07-28-2012, 12:01 PM   #10
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Quote:
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What are you running as far as tires. If you get something a little stickier and drop that 60 ft you will do better. I think the rule of thumb is every tenth you drop in the 60 ft is two tenth at the end of the quarter. If you get it down to 1.8 60 ft there is your mid 12.
Im running brand new Continental Conti DW tires or whatever they are called. The ones that many on here suggested and they work pretty good. Im not getting wheel spin at the track either. It is pretty hot in South Florida so that could also be the issue. I honeslty care more about my trap speeds rather then the 1/4 mile. I would rather see a trap speed of 130 and run a 14 second knowing my car is fast and its just the driver than seeing 108 mph and running a high 12. I think its time for some more mods. lol
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      09-05-2012, 03:54 PM   #11
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Thats a solid time for a tune only. When it cools down a bit here in FL, maybe we could go together and see what we could pull off with our Cobb tunes. I can't see myself doing better than a 12.3 with stock tires, but I hope I can best my 117mph trap speed.
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