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Old 02-10-2020, 09:23 AM   #1
90limited
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How many miles on your fuel pump

I have read on this forum that the fuel pumps are good to about 80k miles or so.

Was curious to get a poll of how many miles folks are really getting. I had a 2004 Escalade and the forum on that vehicle also said the fuel pump would fail around the 100k mile mark. I sold the truck with 174k miles and the original fuel pump was still purring happily...

I think several things kill a pump, like, running the tank to almost empty. The fuel cools and lubricates the pump. I tried to never get below a 1/4 tank. Also a clogged fuel filter can kill a pump.


2001 325xi 93k miles original pump as far as I know.
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Old 02-10-2020, 09:27 AM   #2
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Old 02-10-2020, 09:41 AM   #3
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I replaced mine at 138k for preventative maintenance. The Fuel Pump on my 2004 Lincoln Town Car lasted for 217k miles.
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Old 02-10-2020, 09:50 AM   #4
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Changed the original one at 120k as preventive maintenance. At 160k miles on the current one now.
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Old 02-10-2020, 09:52 AM   #5
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Replaced mine @ 172k for piece of mind. Never had any issues with it though, except getting it out. The silicone on the top was super sticky and it was very tight, even with the aluminum pump tool. A Reinz blue gasket fit better than a new black OE gasket so I just saved the OE in my parts stash as a backup.
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Old 02-10-2020, 10:35 AM   #6
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My first E46 went somewhere around 150k before it failed. I assume it was original because I bought it off-lease with 30k.

My second E46 failed around 170k. Don't know if it was original or not. The replacement just went out on me (soft fail) with 30 months on it, so that means between about 55k and 65k for me.
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Old 02-10-2020, 10:40 AM   #7
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Replaced mine at 149,400 preventatively, so around 32,600 on the current pump. Siemens/VDO.
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Old 02-10-2020, 10:52 AM   #8
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Ours was toast at 60k. Thankfully I caught it "just" before it stranded us. Service life on f-pump's here(PNW), is quite short due to the mountains/hills which tend to dry surge the pump. I'm about to change out the filter/regulator in a couple weeks with a major service, will be interested to see what effect it has on the system(was previously changed wt new f-pump install). The quality of petrol here is horrid, quite dirty.
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Old 02-10-2020, 11:07 AM   #9
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With fuel pumps, it's not so much mileage but rather hours of operation that impacts lifespan. 8-10 years is the ideal replacement interval to avoid getting stranded.

For reference, my original pump failed after 10 years (between 110-120K miles from what I recall).
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Old 02-10-2020, 11:41 AM   #10
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I'm sure mine was over 200K when I replaced it. Although I wasn't the first owner, I could see it was a factory seal on the locking ring. I fell 'prey' to the scare that went on here many years ago.

That said, it's important to have a working fuel pump, so preventative replacement is a good idea.
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Old 02-10-2020, 12:28 PM   #11
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Mine soft failed around 190-200K or so miles and I now have 281K miles on the car.
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Old 02-10-2020, 02:05 PM   #12
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I PM'd my original fuel pump at 200,000 miles. It worked perfectly but for the cost of a Siemens/VDO for $115, it was worth just replacing it knowing it wouldn't leave me stranded some day.

I agree with the hours vs. miles theory. Almost all of my miles are 70 mph freeway miles.
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Old 02-10-2020, 02:34 PM   #13
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My 2004 330i went out at 216xxx km (134,xxx miles) in 2017, and it was the original.

It was a hard fail. Filled up with fuel and went back home. After loading the car with luggage for a trip, the car refused to start. Luckily it was in it's usual parking spot.

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Old 02-10-2020, 02:39 PM   #14
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Quote:
Originally Posted by Knight View Post
With fuel pumps, it's not so much mileage but rather hours of operation that impacts lifespan. 8-10 years is the ideal replacement interval to avoid getting stranded.
Not in my case. Just replaced a 2.5 YO pump (roughly 55-65k miles).
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Old 02-10-2020, 02:52 PM   #15
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PM replacing the fuel pump is smart. It's one part that will leave you stranded, isn't hard to replace, and not too expensive. I replace them at around 10 years or 100k miles.
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Old 02-10-2020, 05:02 PM   #16
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I'm sure mine was over 200K when I replaced it. Although I wasn't the first owner, I could see it was a factory seal on the locking ring. I fell 'prey' to the scare that went on here many years ago.
yep although well meaning it was a hyped and incorrectly thought out. glad those days are over as it was disproven year after year after year.

E46 fuel pumps can and do fail but it’s not from wearing out at year seven.
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Old 02-10-2020, 05:06 PM   #17
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mine lasted just over 100k miles. That was inside the window of failures based on my research. I suggest you replace yours at your convenience, not the car's.
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Old 02-10-2020, 05:26 PM   #18
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Old 02-10-2020, 05:59 PM   #19
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I'm sure mine is original at 148K, but I have had a backup on the garage shelf for the last two years, waiting.
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Old 02-10-2020, 07:26 PM   #20
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Soft fail at 89k. Replacement going strong at 177k, 88k later.
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