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BMW 3-Series (E90 E92) Forum
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Cobb with 335is
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| 05-30-2013, 01:40 PM | #1 |
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Cobb with 335is
So I just got my car back from the shop (needed new injectors and a few plugs).
Anyhow, I go to install stage 1 aggressive on my 2011 335is. Each time I've tried with Cobb, the engine wont turn over (kills the battery)....and I need to jump the car. In fact this time, upon upload of the map the engine in neutral kept idling up and down and the throttle did not do anything at all. So I flashed back to stock, jumped the car and went to work. Anybody know why Cobb uploads are doing this? Or experienced the symptoms with Stage 1 Aggressive on a 335is? I really want to get this working on my car. The first time I uploaded car died, and then started throwing SES codes which made me bring into dealer for injectors. Car is 2011 with 11.5K miles. Thanks in advance for advice/feedback. |
| 05-30-2013, 01:50 PM | #2 |
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Colonel
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Id say get a trickle charger so your battery doesnt die on you next time during the flash. And isnt the car supposed to be off during flash? Idk y your rpm was jumping around...
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| 05-30-2013, 01:59 PM | #3 |
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Major
 
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Why do you need to jump the car? Do not shut off the car or lose power when it is flashing. You could brick your DME.
The engine should not be spinning when you are flashing. |
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| 05-30-2013, 02:02 PM | #4 |
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Colonel
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are you following COBB's recommendation?
don;t open the doors when flashing or touch anything for that matter. if your battery is not strong enough the car might go in to recovery mode and flash will fail.
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'18 F80 M3 Comp 6MT - Stock
'07 E92 335i 6MT- HP650, inlets/outlets, ER FMIC, VRSF CP, LPFP stg2, CSF rad, 'is Aux rad, ER OC, Ohlins, M control arms, eibach front sway bar. '05 C55 AMG SOLD - '22 Tesla M3P | '10 E92 335i M, 6MT | '07 E90 335i, PTF COBB E50, FBO, HFS4 |
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| 05-30-2013, 03:55 PM | #5 |
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That guy
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Drives: 2015 Cayman GTS
Join Date: Jun 2008
Location: Chicago Burbs
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i have flashed by IS 20 + times with no issues.
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2015 - Cayman GTS - Stock
2011 - 335is e92 - Cobb PTF E40/Rob - Beck/AR/Helix (458 rwtq and 479 rwhp) - Retired 2007 - 911 Turbo - EP1/AMS (617 awtq and 500 awhp) - Retired 2008 - 335i e92 - Cobb/AR/Helix/OSS (384 rwtq and 356 rwhp) - Retired |
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| 05-30-2013, 05:26 PM | #6 | |
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Drives: C6 Z06, 09 335i, 10 335xi
Join Date: Dec 2008
Location: www.TopGearSolutions.com
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Quote:
It needs to be installed without you opening doors , playing around in the car, and with a healthy battery. A healthy battery should be able to install a Cobb in 20 minutes or less without a problem. For more troubleshooting you may want to Call Cobb Directly. |
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| 05-30-2013, 06:48 PM | #7 | |
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Private First Class
 
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Quote:
It doesn't matter whether it's an I or an IS. Just follow these instructions. I did and everything went fine.
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Carlson The Flyer
2022 X3M Competition, Brooklyn Gray, fully loaded |
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