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Go Back   Bimmerfest - BMW Forums > BMW Model Discussions > 5 Series > F10 / F11 (2011 - 2016)

F10 / F11 (2011 - 2016)
The sixth generation of the BMW 5 Series Sedan (F10) was produced from 2011 - 2016 with LCI updates arriving in 2014. In the US BMW offered a hatchback 5 Series Gran Truismo (F07) and the rest of the world also go a Station Wagon/Touring version F11.

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  #1  
Old 12-28-2012, 11:03 AM
Tuffyboy Tuffyboy is offline
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F10 major gas leak due to fuel pump issue

Hey Guys, I have heard of some fuel pump issues but never similar to this- after filling up my tank I noticed a strong smell of gas. I drove to the office and when I left I noticed again, smell of gas and a large wet spot under the car. I looked but didn't notice anything dripping so drove home.

On looking at the fuel gauge I noticed it was now only half full (or half empty depending on your outlook : ). I pulled up to the house and recorded this:



Car spent a week at the shop (they apparently didn't have a gasket) and the repair order stated: due to wires for fuel pump connector melting causing pins to fall through holes causing fuel leak- performed test and found many fault codes- replaced supply module, socket housing, grommet, fuel pump and socket housing. cleared fault codes.

Anyone else have fuel pouring onto their tank? Is this the fuel pump issue I have heard about or something one off?

My 550 doesn't need help getting rid of fuel
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  #2  
Old 12-28-2012, 11:22 AM
The X Men The X Men is offline
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Sounds like something cause the fuel pump connector to over heat, it doesnt sound like the old N54 HPFP problem.
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  #3  
Old 12-28-2012, 11:56 AM
wildcardz wildcardz is offline
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Have you modded your car in any way?
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  #4  
Old 12-28-2012, 11:58 AM
Tuffyboy Tuffyboy is offline
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It has Dinan 2 but nothing else at all.
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  #5  
Old 12-28-2012, 03:38 PM
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Decboy Decboy is offline
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The old N54 HPFP issue is more an internal problem because of a bad part or faulty sensor causing long cranks upon startup or engine stalls. In your case, it's a leak of gasoline but your engine ran smooth as long as there is still enough of it to feed the engine. I'm glad you noticed it right away and took care of it and no one got hurt. From your video, that's a pretty bad leak.
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  #6  
Old 12-30-2015, 08:39 PM
preetmandavia preetmandavia is offline
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Covered under warranty 10 years regardless of mileage

I actually just joined so I could post a response to this thread. I had the same issue on my 2011 535 and took it to my mechanic. He told me that due to the repeated fuel pump issues, not only was there a warranty extension, but the original extension to the 10 yr/100k miles warranty has been superseded by a 10 yr warranty with no limit to mileage. BMW will repair the issue and all associated issues for FREE. If they try to refuse like the lady I spoke to at the stealership, tell them you would like to speak with a warranty manager (who should help you out). I was appalled at the lack of honesty and complete ignorance I experienced when I went to the dealership and just wanted to shed some light to anyone looking at this thread. If you want to confirm it was the pump, take the back seat out and unscrew the four screws around the circular plate covering the fuel pump connector. I have attached a photo of my failed connector as well.
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  #7  
Old 01-01-2016, 04:02 AM
Charlieinchina Charlieinchina is offline
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Hi everyone, I am living and working in China. I have a 2011 535Li on the extended F18 chassis. I had it at he dealer for two recall issues 2 weeks ago. The first was the bolts breaking in the vanos, the second was to replace the fuel pump wiring harness and fuel pump. Neither had been an issue with my car and they did it almost free of charge... Ended up paying for a new valve cover because mine was a..."broken"
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  #8  
Old 01-01-2016, 07:10 AM
bmw325 bmw325 is offline
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Quote:
Originally Posted by Decboy View Post
The old N54 HPFP issue is more an internal problem because of a bad part or faulty sensor causing long cranks upon startup or engine stalls. In your case, it's a leak of gasoline but your engine ran smooth as long as there is still enough of it to feed the engine. I'm glad you noticed it right away and took care of it and no one got hurt. From your video, that's a pretty bad leak.

Also the hpfp is a mechanical device that sits in the engine bay.
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  #9  
Old 02-08-2016, 12:09 PM
rico-b rico-b is offline
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Quote:
Originally Posted by preetmandavia View Post
I actually just joined so I could post a response to this thread. I had the same issue on my 2011 535 and took it to my mechanic. He told me that due to the repeated fuel pump issues, not only was there a warranty extension, but the original extension to the 10 yr/100k miles warranty has been superseded by a 10 yr warranty with no limit to mileage. BMW will repair the issue and all associated issues for FREE. If they try to refuse like the lady I spoke to at the stealership, tell them you would like to speak with a warranty manager (who should help you out). I was appalled at the lack of honesty and complete ignorance I experienced when I went to the dealership and just wanted to shed some light to anyone looking at this thread. If you want to confirm it was the pump, take the back seat out and unscrew the four screws around the circular plate covering the fuel pump connector. I have attached a photo of my failed connector as well.
I am having the exact same issue on my 2011 535i. Just this morning, my mechanic removed the seats and confirmed this is the melting power wire issue causing a hole in the body of the fuel pump. He reiterated this is not the high-pressure fuel pump, but rather the low pressure one. So there is a big question mark about whether BMW should fix it for free. My initial understanding was that they covered only the high-pressure pump, and on N54 engines (mine is N55). But it sounds like in your post that BMW did in fact fix it for you. Can you confirm? Was it enough to talk to the dealership manager, or did you have to talk to BMW-NA head office? Any insight would be greatly appreciated, as I prepare to go into battle with the corporate bureaucrats. Any warranty doc to link to or share?
Thanks!
rico-b
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  #10  
Old 02-08-2016, 07:58 PM
preetmandavia preetmandavia is offline
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Quote:
Originally Posted by rico-b View Post
I am having the exact same issue on my 2011 535i. Just this morning, my mechanic removed the seats and confirmed this is the melting power wire issue causing a hole in the body of the fuel pump. He reiterated this is not the high-pressure fuel pump, but rather the low pressure one. So there is a big question mark about whether BMW should fix it for free. My initial understanding was that they covered only the high-pressure pump, and on N54 engines (mine is N55). But it sounds like in your post that BMW did in fact fix it for you. Can you confirm? Was it enough to talk to the dealership manager, or did you have to talk to BMW-NA head office? Any insight would be greatly appreciated, as I prepare to go into battle with the corporate bureaucrats. Any warranty doc to link to or share?
Thanks!
rico-b
Yes! The dealership will fix it for you until 2021. The word for word description of the warranty duration is "Ten years from production with no limit on mileage". If they tell you anything different, speak to a dealer manager and ask them to SHOW you on their computer where the warranty is described. I have the n55 as well and they fixed without hesitation after escalating.
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  #11  
Old 02-08-2016, 08:59 PM
rico-b rico-b is offline
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Man, that is interesting. My story is unfolding differently After my mechanic confirmed that my issue is same as yours (low pressure fuel pump with melted wiring under rear seat), and encouraged by your story, I went ahead and had my car towed to the BMW dealership earlier this afternoon, hoping to duplicate your success. The dealership will do their own diagnosis tomorrow, but the service agent VERY emphatically told me that if they reach the same conclusion as my mechanic did, then they definitely will NOT warranty this. He said it ONLY applies to the high-pressure fuel pump in the engine bay. He said that since my original warranty is already long gone (expired about 18 months ago), I wouldn't even be eligible for a "good will gesture" warranty service. It did not seem to interest him in the slightest when I mentioned that others (e.g. you) did get this repair covered. He said "If it turns out to be the low-pressure fuel pump, I wouldn't even be able to submit this to BMW-North America".
This particular service agent was not the manager, so I'm still planning to escalate if he won't budge. Can you tell me what you saw on their warranty description that was decisively in your favor? Does it not specifically limit repairs to the high-pressure fuel pump, as my service agent claims? Also, were you in a similar situation as me, with your original warranty being long expired? I'd really hate for all this to come down to bad luck with an a-hole agent...
Thanks for your quick reply, BTW
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  #12  
Old 02-08-2016, 09:19 PM
preetmandavia preetmandavia is offline
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Quote:
Originally Posted by rico-b View Post
Man, that is interesting. My story is unfolding differently After my mechanic confirmed that my issue is same as yours (low pressure fuel pump with melted wiring under rear seat), and encouraged by your story, I went ahead and had my car towed to the BMW dealership earlier this afternoon, hoping to duplicate your success. The dealership will do their own diagnosis tomorrow, but the service agent VERY emphatically told me that if they reach the same conclusion as my mechanic did, then they definitely will NOT warranty this. He said it ONLY applies to the high-pressure fuel pump in the engine bay. He said that since my original warranty is already long gone (expired about 18 months ago), I wouldn't even be eligible for a "good will gesture" warranty service. It did not seem to interest him in the slightest when I mentioned that others (e.g. you) did get this repair covered. He said "If it turns out to be the low-pressure fuel pump, I wouldn't even be able to submit this to BMW-North America".
This particular service agent was not the manager, so I'm still planning to escalate if he won't budge. Can you tell me what you saw on their warranty description that was decisively in your favor? Does it not specifically limit repairs to the high-pressure fuel pump, as my service agent claims? Also, were you in a similar situation as me, with your original warranty being long expired? I'd really hate for all this to come down to bad luck with an a-hole agent...
Thanks for your quick reply, BTW
I'm not sure if there is more than one pump under the seat, but the service agent I spoke to was reluctant as well. Like I said, have her show you the part information on the computer screen. My car was fixed the day I posted that and at the time, it had 130k miles on it so warranty was definitely out of the question. I would raise all hell if I were you. The fact that your car is currently flooding your cabin with gas fumes is a pretty scary thought. These fuel pump connectors are known to be faulty and the dealership I went to specifically told me that the repair would be covered, and it was! Go back to them and make them show you on a computer screen that the pump is not warranted. Any argument they make (unless it is indeed another issue) is garbage. If you see fuel leaking from under the right passenger seat, then it is indeed the same problem I had.
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  #13  
Old 02-09-2016, 04:23 AM
surly surly is offline
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F10 major gas leak due to fuel pump issue

Quote:
Originally Posted by preetmandavia View Post
Yes! The dealership will fix it for you until 2021. The word for word description of the warranty duration is "Ten years from production with no limit on mileage". If they tell you anything different, speak to a dealer manager and ask them to SHOW you on their computer where the warranty is described. I have the n55 as well and they fixed without hesitation after escalating.

I would much rather have a BMW document number to TELL the dealer to look at which confirms coverage, not ask them to prove to you that is isn't.

I fear that a lot of these things concerning extended warranties won't apply in Canada because they'll just explain it away as a US or California only thing.

Last edited by surly; 02-09-2016 at 04:25 AM.
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  #14  
Old 02-10-2016, 01:46 PM
rico-b rico-b is offline
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UPDATE: my story has a happy ending

Dealership called to let me know they completed the diagnosis, and that the gas leak was in fact caused by the "in-tank fuel pump module". And that it IS covered under the special extended warranty. The agent apologized for initially rejecting this as a warranty claim, explaining that he was 'confused' and thought my car was an E60 (previous gen), not an F10. So now it is being repaired for free while I enjoy a delightful 320i M-package loaner
FYI, there are two other ways to check if your car is eligible for any special warranty:
1) call BMW-NA and speak to an agent (have your VIN ready)
2) go to http://www.bmw-rp.com and it will let you know if you're qualified for any service reimbursement based on your VIN (the in-tank fuel pump came up when I did this)

Cheers!
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  #15  
Old 12-14-2016, 11:16 AM
jpebmw jpebmw is offline
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I just filled my 2011 535i with gas and cumberland farms, went to the restroom, came out to see gas pouring out under the rear seat passenger side. I assume its the same fuel pump. Had the car towed to dealer but have not heard from them yet. I will let you know what they say, but it sounds and looks just like the issue on this thread.
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  #16  
Old 12-14-2016, 01:15 PM
merakulous merakulous is offline
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Sounds like the recall campaign that is underway for many BMWs with faulty in tank fuel pumps. There's another thread about it. Last time I checked, the dealerships don't have the parts yet to fix every one that will be recalled so I have to wait until they send me the letter. If yours is pouring out gas, I assume that's worthy of immediate repair.
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  #17  
Old 12-14-2016, 02:00 PM
jpebmw jpebmw is offline
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F10 Gas leak

Thanks for the reply, dealer just called me and said they can't find the leak? I told her about the recall. She said this car doesn't have any recalls. I gave her the NHTSA recall number 16v746.
I also told her about the extended warranty I read about on Bimmerfest. She will call tomorrow with update. I'll let you know the outcome, but you've probably saved me money as the dealer charges for everything!
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  #18  
Old 12-14-2016, 03:31 PM
JeffDunes JeffDunes is offline
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I just received my initial recall notice 16V-746 which involves the in-tank fuel pump for model years 2007 through 2012 in all BMW 5 and 6 Series cars and X5 and X6 Series SUVs. The initial recall notice states replacement parts are not available at this time and BMW will send another notice when the parts are available. If a strong odor of fuel is present or leaking fuel can be seen this may be the problem. The fuel pump could also stop working and lead to a no start or stalling condition. If the problem occurs call BMW Roadside Assistance at 800-332-4269 to have the vehicle towed to the nearest BMW dealer. They will replace the parts free of charge.
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  #19  
Old 12-24-2016, 09:13 PM
jasonzimbran jasonzimbran is offline
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I lost about a quarter of a tank of fuel and I smelled it leaking out as soon as I filled up my car. Took it to the dealership and they replaced the fuel pump. It's been good ever since.
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  #20  
Old 12-26-2016, 02:06 AM
schnell525 schnell525 is offline
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Thank you everyone for posting. Fuel leaks are no joke!

It's very said that the F10 has had so many problems, and adding this to the list. It's a great car, when there's nothing wrong with it. A fuel leak problem would be a trigger for me to unload the car. Even in E60's and E92 IIRC correctly with the N54 TT, I never had a gas leak, but never kept them long enough.

The F10 is a great car. It was difficult when you were one of the customers that had the car in earlier production runs where BMW Corporate and the dealers would deny repairs. Given all the problems that the F10 body has had from the engines, to suspension, to fuel pumps, battery drain....etc., for a great car it's disappointing to see these problems pop up. Thanks again for posting this. What's is particularly of note, is that a consumer has to have the knowledge of problems and be able to push back and have repairs done that should be done under warranty. A car that gushes gas (and cash) is serious--It's trust something that's only a few years old that has failures like this, and to drive your kids around in it.

Thanks everyone for posting on this issue. That's disappointing.
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  #21  
Old 12-26-2016, 04:58 AM
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CALWATERBOY DUE CALWATERBOY DUE is online now
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Quote:
Originally Posted by Decboy View Post
The old N54 HPFP issue is more an internal problem because of a bad part or faulty sensor causing long cranks upon startup or engine stalls. In your case, it's a leak of gasoline but your engine ran smooth as long as there is still enough of it to feed the engine. I'm glad you noticed it right away and took care of it and no one got hurt. From your video, that's a pretty bad leak.

An engineering Cluster Boink, actually. [click me]
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  #22  
Old 12-26-2016, 05:02 AM
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CALWATERBOY DUE CALWATERBOY DUE is online now
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Originally Posted by schnell525 View Post
The F10 is a great car. It was difficult when you were one of the customers that had the car in earlier production runs where BMW Corporate and the dealers would deny repairs. Given all the problems that the F10 body has had from the engines, to suspension, to fuel pumps, battery drain....etc., for a great car it's disappointing to see these problems pop up.

BMW's can be high maintenance, and 550i is especially notorious.

But just try gettin' what BMW got in something Japanese. Oy!
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  #23  
Old 01-14-2017, 01:02 PM
RWD-F10-N52 RWD-F10-N52 is offline
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had this same problem with my 528i. they were "ordering the part from germany" (a f*cking gasket? are you kidding me) and was in the shop for over two months. they put 1000KM onto the car when we got it back.
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