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BMW 3-Series and 4-Series Forum (F30 / F32) | F30POST > Technical Forums > N47 and N57 Turbodiesel Engine / Drivetrain / Exhaust Modifications > N47T/N57T High Pressure Fuel Pump Limited Warranty Extension
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      11-15-2017, 10:45 AM   #1
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To 10years/120000 miles.

Did anyone else get this letter for diesels?
I just received one yesterday for my F31 VIN number from BMW group.

I know that these HPFP issues were a dime a dozen with the 335 petrol engines but have not heard of any issues with the Diesel engines and the HPFP.

Anyone here have any issues with their diesels?

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      11-15-2017, 11:49 AM   #2
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I received the notice as well for our 328d and 535d, but haven't heard or experienced any issues regarding the HPFP on either diesel.

Our previous 135i was a different story though.
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      11-15-2017, 12:31 PM   #3
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There are a couple of guys on this forum who've had the problem. Failure on common rail diesels is different than gasoline and generally caused by getting fuel that's not slippery enough, wiping out the pump and spreading metal all the way back to the fuel tank. Google "120d N47 High Pressure Pump Failure", there's a facebook page with pictures that shows what happens... Except most shops will order up an entirely new fuel system that costs $10k. Find JoePark on this forum. It happened to him.

There are generally three responses to this issue:
1) You, the owner, mis-fueled - Your bad
2) The manufacturer can't be responsible for fuel suppliers giving you bad fuel
3) BMW and their pump supplier didn't design a robust enough system that tolerates a situation that can, and does, occur in the "wild"

Last edited by MechWatch; 11-15-2017 at 12:35 PM.. Reason: Additional information
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      11-20-2017, 12:44 AM   #4
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Got mine in the mail last week.
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      11-28-2017, 06:42 AM   #5
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I believe BMW is using the same Bosch pump that VW and some other manufacturers used in their modern diesels.

On the VW TDIs, the HPFP is prone to self-destruct and pollute the entire fuel system with metal shavings from the worn cam+roller assembly. Discussions online say poor diesel quality in the US was a contributing factor. It was never fixed and only a extended warranty was offered.
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      11-28-2017, 09:58 AM   #6
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Quote:
Originally Posted by capt_slow View Post
I believe BMW is using the same Bosch pump that VW and some other manufacturers used in their modern diesels.

On the VW TDIs, the HPFP is prone to self-destruct and pollute the entire fuel system with metal shavings from the worn cam+roller assembly. Discussions online say poor diesel quality in the US was a contributing factor. It was never fixed and only a extended warranty was offered.
That isn't the whole story. If you read the government website that reports on proposed recalls and investigations, around 90% (going off memory here) of the TDI failures were tracked to miss-fuelings by the owner with gasoline. That's the reason that no redress was offered.

All BMW diesels in the USA/CA have miss-fueling interlocks to prevent that, and there have been few cases of HPFP failures that trash fuel systems.

Last edited by floydarogers; 11-28-2017 at 09:58 AM.. Reason: TDI for clarification
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      11-29-2017, 08:36 PM   #7
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Quote:
Originally Posted by floydarogers View Post
Quote:
Originally Posted by capt_slow View Post
I believe BMW is using the same Bosch pump that VW and some other manufacturers used in their modern diesels.

On the VW TDIs, the HPFP is prone to self-destruct and pollute the entire fuel system with metal shavings from the worn cam+roller assembly. Discussions online say poor diesel quality in the US was a contributing factor. It was never fixed and only a extended warranty was offered.
That isn't the whole story. If you read the government website that reports on proposed recalls and investigations, around 90% (going off memory here) of the TDI failures were tracked to miss-fuelings by the owner with gasoline. That's the reason that no redress was offered.

All BMW diesels in the USA/CA have miss-fueling interlocks to prevent that, and there have been few cases of HPFP failures that trash fuel systems.
That 90% figure seems a bit high, but misfiling definitely causes the pump to fail. One of the TDI boards has a tracker with members who had their pumps fail and a good chunk of them failed out of the blue.

Just saying BMW seems to be following VW in offering a extended warranty on the HPFP.
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      11-29-2017, 10:50 PM   #8
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Quote:
Originally Posted by capt_slow View Post
That 90% figure seems a bit high, but misfiling definitely causes the pump to fail.
You're probably right - 90% is way too high after I reviewed the ODI document: https://www-odi.nhtsa.dot.gov/acms/c...1003-61863.pdf
Note that all 328d's in the USA/CA almost certainly have all the updates that VW/Bosch made to lessen the failures. Personally, I'm not worried at all about my wife's 2014 328xd: the gross failure rate is quite low.

Last edited by floydarogers; 11-29-2017 at 10:57 PM..
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      12-29-2017, 11:48 PM   #9
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bmw should recall the car not extended warranty. the problem of fuel pump is it makes bits of metal and spread out to your whole fuel system. it cost about 7000 to fix hpfp and injector and valve and etc. i had this problem so bmw replaced all the fuel system $9000.
my car is at 101000. if that happen after 3 month i screwed. i drive about 120mile a day.
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      01-18-2018, 03:26 PM   #10
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Quote:
Originally Posted by MechWatch View Post
There are a couple of guys on this forum who've had the problem...Except most shops will order up an entirely new fuel system that costs $10k.
New poster, technically naive, and I "misfiled" some notice from BMW recently, Maybe in the glovebox, and my car is in THE SHOP!

Here's my story. Driving home, short drive, notice check engine light. Near my dealership, decide to pop in as I was hoping to take my BMW on a 1000 mile R/T. My advisor is out, so I just speak to another guy. His response:

"Yeah, that's generally just emissions, not a huge deal, you can probably drive across country, much less to SoCal."

Seemed a little too flip a response. I get a code reader, it says fuel injector issues exceed learning or something to that effect. Call next day - dude I speak to on phone say "We would not recommend you drive it at all".

Ummmm...well, good thing I was paranoid. I drop it off, take my daughter's Jetta!!! No big, out of town for 4 days. Call on drive back for a status. "Still getting approval from Germany". WTF? I give it one more day, as they said it would likely be done. No loaners so but they get me a rental.

A lovely, firetruck red Kia Soul! For a 50 year old! I'm rocking it!

Anywho, my advisor is finally back and calls me. "Yeah, you're getting a brand new $8500+ fuel system. Something blew up and when it happens that far up the system, you get garbage that pretty much ruins everything else.

Good news is it is covered, and that I get a loaner today!

Nightmare.
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      01-19-2018, 08:27 AM   #11
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Quote:
Originally Posted by 325DJack View Post
Good news is it is covered, and that I get a loaner today!

Nightmare.
Nightmare? No, it's covered under warranty and you didn't even have to hassle. This is the best outcome you could have had.
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      01-19-2018, 09:03 AM   #12
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      02-18-2018, 04:47 AM   #13
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Could anyone please post a copy of the letter?
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      02-19-2018, 12:51 AM   #14
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Could anyone please post a copy of the letter?
It's in the first post.
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      02-19-2018, 12:09 PM   #15
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?? I don't see any links nor any embedded images at all
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      10-03-2018, 07:10 PM   #16
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328d HPFP failure

Quote:
Originally Posted by Gabreigns View Post
To 10years/120000 miles.

Did anyone else get this letter for diesels?
I just received one yesterday for my F31 VIN number from BMW group.

I know that these HPFP issues were a dime a dozen with the 335 petrol engines but have not heard of any issues with the Diesel engines and the HPFP.

Anyone here have any issues with their diesels?

Sorry for the potato quality of images
My 328d HPFP failed, I did not get a copy of the letter, having trouble finiding it from your post. Help, RT
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      10-03-2018, 09:18 PM   #17
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Quote:
Originally Posted by bsideman View Post
Quote:
Originally Posted by Gabreigns View Post
To 10years/120000 miles.

Did anyone else get this letter for diesels?
I just received one yesterday for my F31 VIN number from BMW group.

I know that these HPFP issues were a dime a dozen with the 335 petrol engines but have not heard of any issues with the Diesel engines and the HPFP.

Anyone here have any issues with their diesels?

Sorry for the potato quality of images
My 328d HPFP failed, I did not get a copy of the letter, having trouble finiding it from your post. Help, RT
Check if you can see this. Try in mobile and your laptop.
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      10-03-2018, 09:26 PM   #18
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You don't need a letter...

Just type your VIN here http://www.bmw-rp.com/production/bmw...bmw_portal.nsf

Upload repair order and receipts from the repair and get reimbursed.
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      10-04-2018, 06:04 AM   #19
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Quote:
Originally Posted by jnecr View Post
Nightmare? No, it's covered under warranty and you didn't even have to hassle. This is the best outcome you could have had.
Agreed!
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      10-06-2018, 10:16 PM   #20
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Just a word of caution (color it paranoia, or walking on tippy toes to avoid being bullied) :
If you encounter this issue, try to work "positively" with you CS rep to support your issue. Some (less reputable) dealerships might try to play it down and say, "you're out of warrantee, etc" and try to shift it all onto you. The issues are documented with a recall that I believe went out in the spring and summer 2018 -- check it out for yourself via a web search.

There were issues in the US where BMW recalled all 3er vehicles, except that they did not do this for DIESELS for this same issue!
However, in Europe the diesels were issued a recall.

Soooooo, before you rattle your chains and claim foul, do your research so you can "politely" seek support at the dealership -- Just a suggestion.
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      10-24-2018, 01:57 PM   #21
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Quote:
Originally Posted by jamesjsong78 View Post
bmw should recall the car not extended warranty. the problem of fuel pump is it makes bits of metal and spread out to your whole fuel system. it cost about 7000 to fix hpfp and injector and valve and etc. i had this problem so bmw replaced all the fuel system $9000.
my car is at 101000. if that happen after 3 month i screwed. i drive about 120mile a day.
Try $14,000 and six weeks for my dealer to do my F10 535d. Everything has to be replaced because the diesel fuel system is recirculating. That is - tank to injectors and everything in between. Add to the $14k bill, 6 weeks they put me in an $80,000 X5 35d.

The issue is not BMW per se, btw. At least the bigger motor diesel BMWs (N57s specifically) are using the Bosch CP4.2 pump. The CP4 is used by late generation Cummins, Powerstroke, big Audi diesel engines. In the truck world, the CP4 is known as the "ticking time bomb" - there are enough trucks in the USA that products exist to either create a bypass for the CP4 (so metal bits are not pumped everywhere) or a more expensive CP3 downgrade kit.

No idea what the 328d runs, pump-wise.

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      10-24-2018, 04:55 PM   #22
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CP4.1 on 328d.
Thanks Bosch.
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