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| E46 M3 (2001-2006) Engine: S54 - Max Hp: 333 hp at 7,900 rpm / 262 lb/ft at 4,900 rpm Total Produced: 45,000+ - Years Produced: 2001 to 2006. |
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Sun, Nov-19-2006, 06:57:52 PM
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#1 |
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Registered User
Join Date: Jun 2004
Posts: 929
Reputation: 0
 Location: my other ride is your daughter.
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bmw engine gurus chime in need HELP
ok so car goes into limp mode , take it in to my tech guy . we find that that o2 were shorted out somehow , and that some of the wires were also no good ,basicly the o2 preheat , fixed everything supposedly , and took it out for a spin , same **** after 3 min it falls into limp mode , and blows a fuse in the little box in the engine bay ....again .., so i guess theres something else that we are overlooking ,
anyone know what else can be shorting , something related to this ?? im frustrated to hell... |
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Sun, Nov-19-2006, 08:37:52 PM
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#2 | |
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Registered User
Join Date: Aug 2004
Posts: 3,216
Reputation: 0
Location: Area 51
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Quote:
__________________
Sean Amerson Adrenaline Expediter Discovery-Automotive Sean@Discovery-Automotive.com Office: 866-365-0920 Got HP? Performance Parts For Your ///M D/A Race software new pricing see our site for details. Are you interested in owning the most powerful E46 M3 on the planet? We have AREA 51 packages designed to reach your goals. Call me if you want to go faster 
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Sun, Nov-19-2006, 08:43:08 PM
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#3 |
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Banned
Join Date: Feb 2003
Posts: 33,063
Reputation: 0
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what fuse blew?
were the O2's ever modified, lengthened, etc. did this occur after some work was done, or all on its own? |
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Sun, Nov-19-2006, 08:47:22 PM
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#4 | |
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Registered User
Join Date: Aug 2004
Posts: 3,216
Reputation: 0
Location: Area 51
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Quote:
Bottom line is we need more data.
__________________
Sean Amerson Adrenaline Expediter Discovery-Automotive Sean@Discovery-Automotive.com Office: 866-365-0920 Got HP? Performance Parts For Your ///M D/A Race software new pricing see our site for details. Are you interested in owning the most powerful E46 M3 on the planet? We have AREA 51 packages designed to reach your goals. Call me if you want to go faster
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Sun, Nov-19-2006, 08:49:36 PM
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#5 | |
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Banned
Join Date: Feb 2003
Posts: 33,063
Reputation: 0
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Quote:
damn it!!! more data !!!!   ps: I'm an apprentice, Seans a guru  Last edited by ArtM3; Sun, Nov-19-2006 at 08:52:20 PM. |
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Sun, Nov-19-2006, 08:50:16 PM
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#6 |
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ॡحمدॡ
Join Date: Mar 2006
Posts: 2,191
Reputation: 0
Location: QATAR
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I'm having the same problem , my car goes into limp mode everytime I accelerate ! a bad temp exhaust sensor causes this .
__________________
Euro 01 IR/IR ///M3 113K miles|281rwhp on DD  ^ SOLD^ Engine: aFe drop in filter, SS race exhaust |Drivetrain: AS Ultimate SSK w/ UUC DSSR, ZHP shifter knob, GSP clutch pedal. Suspension : AST 5100's 600/750 w/ Vorshlag camber plates, PF RTAB's, RE RSM, UUC adjustable rear camber arms, TMS reinforcement kit & endlinks |Braking: Cool Carbon, StopTech SS lines| Exterior: Alufelgen SF-71's, VORS(1x1) CSL bumper, trunk and diffuser,OEM rear LED's, blackout front grills, CF side grills , smoked corners and side signal lights, TFX conversion, Umnitza 4300K V2's angle eyes, Euro wide convex mirrors| Interior: US spec trunk release button, OEM alcantara boot, OEM alum pedals. |
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Sun, Nov-19-2006, 10:37:23 PM
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#7 |
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Registered User
Join Date: May 2006
Posts: 266
Reputation: 0
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I'm not an engine guru by any means. Common sense would tell me that the MAF wires should be checked from beginning to end and see if the wires' insulation is melting or binding anywhere.
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Sun, Nov-19-2006, 10:55:21 PM
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#8 |
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Registered User
Join Date: Jan 2004
Age: 47
Posts: 3,547
Reputation: 0
Location: Mesa, AZ
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Oh yes! I have been down this long painful road before. During my header installation my O2 sensors were installed improperly or mishandled ( they are rather delicate) and resulted in a bad O2 sensor. Car ran in limp mode. It was hard to figure out even with dyno scan reading live data from the O2 sensors. Took it to Evosport and they fixed the problem quite easily. Before going to Evosport, I took it to the dealer in desperation and ask them to help. They did not even want to touch my car. They said it was too modified and when I check the online service data they mention that the car has extensive modifications. So the lesson is not to take it to the dealer because they won't help you at all.
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2004 996TT Gaurds red/Black interior GT660 550 whp on 91 octane 2004 IMOLA CAB [/SIZE] |
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Sun, Nov-19-2006, 11:10:24 PM
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#9 | |
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Banned
Join Date: Feb 2003
Posts: 33,063
Reputation: 0
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Quote:
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Sun, Nov-19-2006, 11:41:46 PM
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#10 |
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Registered User
Join Date: Jan 2004
Age: 47
Posts: 3,547
Reputation: 0
Location: Mesa, AZ
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I am not sure if it is dealer specific but if you go to idriveonline.com, this is where I can get a complete service report each time I have taken my car to the dealer. Also they allow you to put in your own service ie. I got a 4 wheel alignment at an independant BMW service shop and put that info in. You cannot edit what they write however.
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2004 996TT Gaurds red/Black interior GT660 550 whp on 91 octane 2004 IMOLA CAB [/SIZE] |
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