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2010 2011 BMW 5 Series Forum F10 BMW 5-Series (F10) Forums General 5-Series Sedan and Wagon (F10 / F11) Forum PROBLEM SOLVED!!... If your F10 has hesitation or jerks at 0-10 mph
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      09-10-2021, 01:58 PM   #133
Trainwreck914
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Quote:
Originally Posted by J-Pizzle View Post
Quote:
Originally Posted by Trainwreck914 View Post
I replaced the hpfp and the jerkiness went away.
Did you get this done under the HPFP extended warranty for the N63TU engine?

I'm at 74k miles, and on cold starts I get hesitation, jerkiness under 10 mph. Once it warms up no issues. Just trying to see if I go get diagnostics done again, and perhaps my HPFP needs to replaced. I had the original extended warranty replace my HPFP about 1 year ago, so looking to see if I've got a bad one and need to replace it again (and hopefully it is covered by the dealer).
No. I purchased a used low mileage one from eBay. I have a n55. So only 1 pump. Was going to go new but they're $700+. I was just under $100 with shipping. Had 45k miles through it. So I took the chance on it. Been trying to find a rebuild kit for them. But haven't had any luck. Would rather rebuild it myself with new parts than spend $700.
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      10-16-2021, 10:03 PM   #134
Bmwfan55
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Quote:
Originally Posted by Trainwreck914 View Post
Quote:
Originally Posted by J-Pizzle View Post
Quote:
Originally Posted by Trainwreck914 View Post
I replaced the hpfp and the jerkiness went away.
Did you get this done under the HPFP extended warranty for the N63TU engine?

I'm at 74k miles, and on cold starts I get hesitation, jerkiness under 10 mph. Once it warms up no issues. Just trying to see if I go get diagnostics done again, and perhaps my HPFP needs to replaced. I had the original extended warranty replace my HPFP about 1 year ago, so looking to see if I've got a bad one and need to replace it again (and hopefully it is covered by the dealer).
No. I purchased a used low mileage one from eBay. I have a n55. So only 1 pump. Was going to go new but they're $700+. I was just under $100 with shipping. Had 45k miles through it. So I took the chance on it. Been trying to find a rebuild kit for them. But haven't had any luck. Would rather rebuild it myself with new parts than spend $700.
Buy from ecs running, refurbished plus all the hardware $650. Can't find anything cheaper than that
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      06-09-2022, 07:51 AM   #135
rkomi33
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Hi all, I have some strange sound when I step on my clutch in first gear(when shifting from first to second gear) It's like something bang in my engine. Any ideas please Thanks!
It's F10 520d manual

Last edited by rkomi33; 06-09-2022 at 08:12 AM..
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