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      05-08-2019, 09:37 PM   #1
TimmyJ
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Unhappy Are my data logs normal? HPFP going out?

So the other day, I was just cruising down the road and my car gave me the infamous “Engine Malfunction” (half-check engine light) on my iDrive. I went home and scanned it with MHD on my tablet.

29F2 - DME: Fuel high-pressure system, fuel pressure

The next day, I deleted the code and drove around town a little and did some pulls.

It didn’t return.

I took 2 data logs as well that I have uploaded to DataZap.

https://datazap.me/u/timmyj/log-1-n5...og=0&data=3-24

https://datazap.me/u/timmyj/log-2-n54-335i-stg-1

Previous owner of my vehicle did do the HPFP Recall, so the car is on its second. Only at 75,000 kilometres as well!

Please someone give me some feedback/advice on what to do next! Not sure if i should replace it, or if it was a faulty sensor of somesort. Thank you!
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      05-14-2019, 08:24 PM   #2
TimmyJ
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Anyone have any insights? Suggestions? 29F2 code hasn't returned since that scare last week, so I'm hoping it was just a one time thing.
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      05-14-2019, 08:44 PM   #3
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Fuel pressures look fine in the logs shown. Your lpfp drops to a low of 55 which is acceptable and pressure at rail dropped down to 1600 which I think is acceptable.
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      05-19-2019, 11:17 PM   #4
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Thanks for the reply back. The code and half-check engine light haven’t returned since. Any idea on why it did so? Car drives fine now.
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      07-26-2019, 02:17 AM   #5
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I am getting the same issues on 4th gear pulls and getting 29dc injector cut almost every time

Previous owner had hpfp recalled and changed before at bmw
Also had 3 injectors (1 bank)changed by dealership to index 9 the others are still index 2

How does mine look?

https://datazap.me/u/djtalal/log-156...a=3-6-12-13-22

Last edited by djtalal; 07-26-2019 at 02:25 AM..
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      07-31-2019, 06:13 PM   #6
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Quote:
Originally Posted by djtalal View Post
I am getting the same issues on 4th gear pulls and getting 29dc injector cut almost every time

Previous owner had hpfp recalled and changed before at bmw
Also had 3 injectors (1 bank)changed by dealership to index 9 the others are still index 2

How does mine look?

https://datazap.me/u/djtalal/log-156...a=3-6-12-13-22
Take a look at this thread to se how to take a proper log and then post it in that thread; https://www.e90post.com/forums/showthread.php?t=1269588
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