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      01-05-2009, 07:03 PM   #1
john970
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Engine hesitation

I have a JB1 and am experiencing some engine hesitation when the car warms up. It got bad last night to the point it felt like I was on a rough road, like a cylinder was not firing.

Anyone else experience this? I have about 6,000 miles and did beat the hell out of it on the track last summer (at altitude).
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      01-05-2009, 07:09 PM   #2
randomquickness
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four letters: HPFP
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      01-05-2009, 07:24 PM   #3
john970
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Quote:
Originally Posted by randomquickness View Post
four letters: HPFP
I thought this was fixed with later engine builds (08+)?
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      01-05-2009, 07:41 PM   #4
blacknbean
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Quote:
Originally Posted by john970 View Post
I thought this was fixed with later engine builds (08+)?
nope.
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      01-05-2009, 07:57 PM   #5
Dave
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Quote:
Originally Posted by john970 View Post
I thought this was fixed with later engine builds (08+)?

nope it can affect any model
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      01-05-2009, 08:05 PM   #6
eunosracr
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HPFP. I just got mine replaced today. Running like a champ now!
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      01-05-2009, 10:47 PM   #7
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If you have a Dinan stage I or II, will BMW deny a HPFP warranty claim even though it seems to affect all models?
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      01-05-2009, 10:51 PM   #8
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Can someone explain to me what is HPFP?
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      01-05-2009, 10:59 PM   #9
boxerdog
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thanks
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Originally Posted by mvaccaro View Post
High pressure fuel pump
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      01-07-2009, 03:46 PM   #10
john970
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Can someone describe the specific symptoms of this?
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      01-07-2009, 11:43 PM   #11
silverbullet135i
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long cranks
engine hesitation
your car feels VERY slow.
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      01-08-2009, 03:42 PM   #12
john970
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This only happens when the engine is warm, sound right?
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      01-09-2009, 11:34 AM   #13
redwood
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A friend has a Dinan stage 2 flash on a 335i and his hesitation was cracked spark plug.
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