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Go Back   Bimmerfest - BMW Forums > BMW Model Discussions > 3 Series / 4 Series > E90/E91/E92/E93 (2006 - 2013)

E90/E91/E92/E93 (2006 - 2013)
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  #1  
Old 11-03-2006, 06:25 PM
skifaster skifaster is offline
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Location: New Hampshire
 
Join Date: Jan 2006
Posts: 25
Mein Auto: 06 325xiT
press start button and ......B A N G!

It's my wifes car, a new 325xiT she started driving just a little over a week ago and as of tonight, well she won't go near it.

Here is the story: She stoped at the drive-in bank and as it says, "Please stop engine" she pressed the start/stop. After a few minutes and business done she pressed the start button when a very loud bang come out of the engine compartment. She did drive home and shut it off in the driveway to come tell me the story.

I jumped into the car to try to replicate this, start, shutt off, start, shutt off. I did this probably five times. Then with another start it was like a gunshot went off somewhere under the dash.

Well, the car is parked now. No electrical or gas smell in the engine compartment it is a complete p u z z l e.

What do you guys think?
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  #2  
Old 11-03-2006, 06:33 PM
drallafi drallafi is offline
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I've seen this before.

What happened is that Yosemite Sam was robbing the bank, and when she stopped at the drive-thru ATM, he crawled into the engine compartment to hide from bank security (he's very small, after all). Anyway, I'm not sure how the starter works, but I'm guessing that multiple electrical sparks on any part of the body is very uncomfortable... and we all know how trigger-happy Sam can be. Anyway, take it to the dealer and have the little bastard rooted out.
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  #3  
Old 11-03-2006, 06:33 PM
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4-series 4-series is offline
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Location: Los Angeles
 
Join Date: Oct 2006
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Mein Auto: BMW 335i Coupe
No idea... Electric sound? fuel causing engine knock?
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  #4  
Old 11-03-2006, 06:55 PM
crowbmw325 crowbmw325 is offline
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Location: THE OC
 
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Mein Auto: 2006 325
Quote:
Originally Posted by drallafi View Post
I've seen this before.

What happened is that Yosemite Sam was robbing the bank, and when she stopped at the drive-thru ATM, he crawled into the engine compartment to hide from bank security (he's very small, after all). Anyway, I'm not sure how the starter works, but I'm guessing that multiple electrical sparks on any part of the body is very uncomfortable... and we all know how trigger-happy Sam can be. Anyway, take it to the dealer and have the little bastard rooted out.
lol. You got a hell-of-a imagination!
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  #5  
Old 11-03-2006, 07:14 PM
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mvallido mvallido is offline
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Location: World wide - US NAVY
 
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Mein Auto: VF5/SC Daily Driver
Watch out for Coronado CA cops, they might shoot back!!!!
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  #6  
Old 11-03-2006, 07:44 PM
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theslik1 theslik1 is offline
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Posts: 247
Mein Auto: Lexus IS F
Could be exhaust backfire, which can sound exactly like a shotgun going off. I'd take it in and have it checked...hopefully you can replicate the event at the dealer.
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  #7  
Old 11-03-2006, 08:59 PM
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simp0man simp0man is offline
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Location: Cali4I.A.
 
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Posts: 220
Mein Auto: 2007 E92 328i / '01 GTI
Pray to God I don't have any engine issues. I am getting mines in 3 days.
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  #8  
Old 11-04-2006, 08:57 AM
DUH CAR DUH CAR is offline
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Mein Auto: BMW
Watch out

Quote:
Originally Posted by simp0man View Post
I am getting mines in 3 days.
Mines will be noisy too when they go off!
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  #9  
Old 11-04-2006, 09:23 AM
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JayK330 JayK330 is offline
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Mein Auto: 328/335 debate wages war
Tell your wife to quit being such a wimp.
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  #10  
Old 11-04-2006, 09:28 AM
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fun2drive fun2drive is offline
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Location: Panhandle of Florida
 
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Mein Auto: 335 vert//M3/4/ 13Outback
Sounds very much like fuel entered the exhaust sytem or built up in the exhaust system and starting the car triggered sufficient ignition to cause the bang.
Not even sure this should happen in a fuel injected car but sure sounds like that is what happened..
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  #11  
Old 11-04-2006, 09:31 AM
NSR AJ NSR AJ is offline
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Mein Auto: 1995 325I
wow that kind of crazy. hope you can get it all sorted out
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  #12  
Old 11-04-2006, 10:05 AM
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ObD ObD is offline
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Mein Auto: '08 535 6mt
Could be the gas. What brand and octane of gas do you use?

Sure there's no diesel it by mistake?
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