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#1 (permalink) Old 04-06-2005, 12:30 AM
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when setting off it some times goes ok like a rocket, when sometimes it's realy flat and won't pull at all.
It also when i am driving at speed, it's trying to go for it but it can't.

Please Help Me!!!!!!!!!
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#2 (permalink) Old 04-06-2005, 01:41 AM
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Quote:
Originally posted by bigpetefromscunny@Apr 5 2005, 11:30 PM
when setting off it some times goes ok like a rocket, when sometimes it's realy flat and won't pull at all.
It also when i am driving at speed, it's trying to go for it but it can't.

Please Help Me!!!!!!!!!
[snapback]326409[/snapback]
Have you done any modifications at all such as air intake, or exhaust? Does it make a louder sound under moderate or wide open throttle?

1998 528i - sold 222,000 miles
1998 540i - sold 159,000 miles
2007 328i Coupe - 30,000 current
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#3 (permalink) Old 04-06-2005, 03:27 AM
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Quote:
Originally posted by ozarkmark+Apr 6 2005, 05:41 AM--><div class='quotetop'>QUOTE(ozarkmark @ Apr 6 2005, 05:41 AM)</div><div class='quotemain'><!--QuoteBegin-bigpetefromscunny@Apr 5 2005, 11:30 PM
when setting off it some times goes ok like a rocket, when sometimes it's realy flat and won't pull at all.
It also when i am driving at speed, it's trying to go for it but it can't.

Please Help Me!!!!!!!!!*
[snapback]326409[/snapback]
Have you done any modifications at all such as air intake, or exhaust? Does it make a louder sound under moderate or wide open throttle?
[snapback]326459[/snapback]
[/b][/quote]

yes the engine has got a high lift cam plus a super chip and a K&N air intake kit. but when i did all this it was running fine. for about 2years or so.
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#4 (permalink) Old 04-09-2005, 01:48 AM
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Quote:
Originally posted by bigpetefromscunny+Apr 6 2005, 07:27 AM--><div class='quotetop'>QUOTE(bigpetefromscunny @ Apr 6 2005, 07:27 AM)</div><div class='quotemain'>
Quote:
Originally posted by ozarkmark@Apr 6 2005, 05:41 AM
<!--QuoteBegin-bigpetefromscunny
Quote:
@Apr 5 2005, 11:30 PM
when setting off it some times goes ok like a rocket, when sometimes it's realy flat and won't pull at all.
It also when i am driving at speed, it's trying to go for it but it can't.

Please Help Me!!!!!!!!!*
[snapback]326409[/snapback]


Have you done any modifications at all such as air intake, or exhaust? Does it make a louder sound under moderate or wide open throttle?
[snapback]326459[/snapback]
yes the engine has got a high lift cam plus a super chip and a K&N air intake kit. but when i did all this it was running fine. for about 2years or so.
[snapback]326497[/snapback]
[/b][/quote]
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#5 (permalink) Old 04-09-2005, 06:19 PM
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Quote:
Originally posted by bigpetefromscunny+Apr 9 2005, 12:48 AM--><div class='quotetop'>QUOTE(bigpetefromscunny @ Apr 9 2005, 12:48 AM)</div><div class='quotemain'>
Quote:
Originally posted by bigpetefromscunny@Apr 6 2005, 07:27 AM
Quote:
Originally posted by ozarkmark@Apr 6 2005, 05:41 AM
<!--QuoteBegin-bigpetefromscunny
Quote:
Quote:
@Apr 5 2005, 11:30 PM
when setting off it some times goes ok like a rocket, when sometimes it's realy flat and won't pull at all.
It also when i am driving at speed, it's trying to go for it but it can't.

Please Help Me!!!!!!!!!*
[snapback]326409[/snapback]


Have you done any modifications at all such as air intake, or exhaust? Does it make a louder sound under moderate or wide open throttle?
[snapback]326459[/snapback]


yes the engine has got a high lift cam plus a super chip and a K&N air intake kit. but when i did all this it was running fine. for about 2years or so.
[snapback]326497[/snapback]

[snapback]328906[/snapback]
[/b][/quote]

Since it wa running fine two years ago and you have the super chip, then it is not what I suspected. I thought it could be too much air without the right fuel/air mixture remapping. I once replaced an air filter and did not get the air box cover on tight. As a result, the engine was taking in more air and not adjusting the mixture in turn making it run lean. This caused it to run extremely flat around 2500 rpm and up.
At any rate, keep us posted so we may learn what the solution is.

1998 528i - sold 222,000 miles
1998 540i - sold 159,000 miles
2007 328i Coupe - 30,000 current
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