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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions > N55 Turbo Engine Tuning and Exhaust Modifications - 335i Tuning > For all of you with ISO issues



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      12-28-2012, 03:58 PM   #1
Sam335ix
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For all of you with ISO issues

I had tons of problems when I first installed mine.. once you upload the new firmware for ISO, the system automatically restores defaults... I thought that is all needed to be done but... after restore default is completed, you have to go to file, drop down menu and restore default manually... Done and problem fixed (at least my problem).

Good Luck.
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      12-28-2012, 06:04 PM   #2
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Just a quick question, did all you guys with problems follow all the directions..including changing the pid damper and default wastegate?

I havent had a single issue with the ISO and I checked and double checked and read and double read before I even opened my hood. It may just be something with the different cars, but I know I followed the directions to a T.
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      12-28-2012, 10:24 PM   #3
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Quote:
Originally Posted by Abear View Post
Just a quick question, did all you guys with problems follow all the directions..including changing the pid damper and default wastegate?

I havent had a single issue with the ISO and I checked and double checked and read and double read before I even opened my hood. It may just be something with the different cars, but I know I followed the directions to a T.
All of the settings you speak of was already pre set once I reseted defaults... now did I follow instructions before I did the ISO? LOL f no, what is the fun in that j/k.
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      12-29-2012, 09:55 AM   #4
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Quote:
Originally Posted by Sam335ix View Post
All of the settings you speak of was already pre set once I reseted defaults... now did I follow instructions before I did the ISO? LOL f no, what is the fun in that j/k.
Really? I cant remember if I reset everything from the drop down menu, or just checked the box when I updated the firmware. Anyway, I do remember that I had to change all 3 settings manually. Car runs great, Ive got a buddy with an M3 with a tune and other mods, he said he is around 315 or 320 at the wheels. From a 20 roll I caught up to him after I finally caught traction in 3rd lol. Car is beastly now.
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      12-29-2012, 09:18 PM   #5
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I did the ISO update last night and drove around for a little bit. Car felt very strong and really pulls hard. Excited to take it out again once it warms up and the streets dry.
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