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Go Back   Bimmerfest - BMW Forums > BMW Model Discussions > 5 Series > E39 (1997 - 2003)

E39 (1997 - 2003)
The BMW 5-Series (E39 chassis) was introduced in the United States as a 1997 model year car and lasted until the 2004 when the E60 chassis was released. The United States saw several variations including the 525i, 528i, 530i and 540i. -- View the E39 Wiki

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  #1  
Old 01-19-2013, 03:27 AM
iceman4169 iceman4169 is offline
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Location: San Diego California
 
Join Date: Oct 2012
Posts: 272
Mein Auto: 1999 540i
Raced and its not the same

Hey guys, my friends and I used to race our cars every other week for fun on this abandoned road. One week, I got the bright idea of going to pep boys and buying the 108 octane booster. I bought 2 big bottles and dumped them into my car. I kicked ass that day did pretty good. Ever since then, after filling with the usual premium 91 octane something isnt right. If i floor it it goes fast then hesitates then goes hard then hesitates and does that through first gear and second. Or, itll go through the rpms at normal speed but the car itself isnt accelerating like it should. After driving for a half hour or so and it gets hot, it starts to perform like it should. Like a beast. On monday im taking it in for a rebuild and turbo. But was just thinking, my maf is good, all injection is good and pumps. All i have done to the car is CAI and muffler delete. Everything else is stock. Some old man told me once that fuel that rich can waste my cats. Is this a possibility? It doesnt matter because theyre being ripped out for the turbo project. But Im just wondering and its been bugging me. Dont wana wait until monday, and tomorrow im building the speaker system so really no time for diagnostic. Does this sound familiar to anyone?
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  #2  
Old 01-19-2013, 04:41 AM
Reuvers Reuvers is offline
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Location: The Netherlands
 
Join Date: Apr 2011
Posts: 139
Mein Auto: BMW e39 540i '97
lol you really are a fast & furious fan...

everyone of your threads just get better and better
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  #3  
Old 01-19-2013, 05:03 AM
iceman4169 iceman4169 is offline
Officially Welcomed to the 'Fest
Location: San Diego California
 
Join Date: Oct 2012
Posts: 272
Mein Auto: 1999 540i
LMAO i swear dude im addicted to speed. If you knew how much ive spent on previous cars for this youd kill me ahahaha if it helps i have very very severe ADHD lolol working at that stupid custom shop didnt help either lol heeeelllppp meeee lol
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