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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 > Anyone know what this warning light this is or means?



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      07-14-2010, 03:07 PM   #1
stylin335i
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Anyone know what this warning light this is or means?

Hey Guys,

I was driving this morning and i got this warning light pop up and my speed was decreased. I decided to pull over shut my car off and turned it back on and the light was gone and power was back. anyone experience this problem.

it was like an emission warning with it 1/2 full?

I have attached a picture.

let me know what you guys think
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      07-14-2010, 03:10 PM   #2
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Ya it means you jumped into limp mode. There are a million threads on it on this forum.
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      07-14-2010, 03:18 PM   #3
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is there a fix for it and is there an issue with my 335i?
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      07-14-2010, 03:19 PM   #4
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There are actually alot of things it could be. Do you have any mods?
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      07-14-2010, 03:21 PM   #5
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Could be a HPFP lots of guys have had that problem on here. Do a search and type in limp mode etc you'll see many examples.
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      07-14-2010, 04:17 PM   #6
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yeah i have jb3 2.0 and DCI running map 5.
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      07-14-2010, 04:46 PM   #7
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Quote:
Originally Posted by stylin335i View Post
yeah i have jb3 2.0 and DCI running map 5.
Im guessing it has something to do with this. I had limp mode issues when I installed software. Maybe just need an update or adjust a few things. Not sure on a jb3 though.
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      07-14-2010, 05:26 PM   #8
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Take ur jb3 off and bring it to dealer if it's still under warranty
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      07-14-2010, 11:11 PM   #9
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no warrenty but i am taking it in for AR downpipes lol
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      07-15-2010, 01:32 AM   #10
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no wonder you got limp mode. you don't have the supporting mods. only DCI. stick to Map 3 for now until you get at least DP's and/or FMIC. What octane gas are you using.... 91? 93?

Also get BT tool and check error codes.

And don't worry, I don't think there's anyone on this forum who's never had a Limp Mode come up at least once in their modding careers. I've had A LOT with all my experimentations
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      07-15-2010, 09:20 AM   #11
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I am running sunoco 94 octane. I think i will order the BT scanning tool though just so i can be safe and see what error codes the car gives if it does. I think my next mod will be the FMIC any good ones in mind?
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      07-15-2010, 11:05 AM   #12
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Used to get those 2-3 times a week... than i got the AFE intake and Exhaust... all went away.??

i run sunoco 94 when in Toronto... seems to run fine for me... but other posts are right.. you need the supporting mods.. especially in this heat.. FMIC first, better intake that doesn't suck HOT HOT HOT air in all the time. Next DP's. and buy a bottle of that NOS racing octane enhancer...
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      07-15-2010, 03:45 PM   #13
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Whats a good FMIC out there now? i heard code3 is great.
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      07-15-2010, 03:50 PM   #14
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      07-15-2010, 04:02 PM   #15
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Quote:
Originally Posted by stylin335i View Post
Hey Guys,

I was driving this morning and i got this warning light pop up and my speed was decreased. I decided to pull over shut my car off and turned it back on and the light was gone and power was back. anyone experience this problem.

it was like an emission warning with it 1/2 full?

I have attached a picture.

let me know what you guys think
1/2 engine sign is engine malfunction light -- reduced power --

call your dealer and get it in ASAP...
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      07-15-2010, 04:09 PM   #16
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Would the code store now that the light is off? BMW is a big rip. They will say well its working fine now so i would bother with anything. Plus if they scan it and find the JB3 in there im screwed no?
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      07-15-2010, 04:15 PM   #17
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Quote:
Originally Posted by stylin335i View Post
Hey Guys,

I was driving this morning and i got this warning light pop up and my speed was decreased. I decided to pull over shut my car off and turned it back on and the light was gone and power was back. anyone experience this problem.

it was like an emission warning with it 1/2 full?

I have attached a picture.

let me know what you guys think
It's a check engine light. Scan the car with a BT and from the codes and freeze frame data you can determine the next step (to dealer it, if its mod related, etc).

Mike
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