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BMW 3-Series (E90 E92) Forum > BMW E90/E92/E93 3-series General Forums > General E90 Sedan / E91 Wagon / E92 Coupe / E93 Cabrio > Water Pump Survey - Died or Not?



View Poll Results: Is your original water pump dead or alive? at what mileage?
Still working; < 60,000 miles 156 31.77%
Replaced with least than 60,000 miles 51 10.39%
Still working; 60-75,000 miles 64 13.03%
Replaced between 60-75,000 miles 39 7.94%
Still working; 75-90,000 miles 65 13.24%
Replaced between 75-90,000 miles 31 6.31%
Still working; 90-105,000 miles 33 6.72%
Replaced between 90-105,000 miles 9 1.83%
Still working; 105-120,000 miles 16 3.26%
Replaced between 105-120,000 miles 8 1.63%
Still working; 120,000+ miles 10 2.04%
Replaced with greater than 120,000 miles 9 1.83%
Voters: 491. You may not vote on this poll

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      07-17-2013, 07:15 AM   #177
PichaDis11
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Quote:
Originally Posted by norsairius
Sorry if bringing up this week-old thread offends anyone, but I did some research that may bring some hope to those of us driving later-model 328s.

I've been doing some extensive searching and reading on this and came up with the following info.

First, this post (from this thread: http://www.e90post.com/forums/showth...t=11517586925):
Quote:
Originally Posted by accel View Post
I checked NA models and found these part numbers:
#11517546994 325i/330i 2004-2007;
#11517563183 325i/330i 2004-2007; 328i 2006-2009
#11517586925 325i/330i 2004-2007; 328i 2006-2012
So, sounds like there's 3 water pump models. Not sure if it's due to failures and if they addressed the issue.
I searched the last two part numbers listed on Google and found these pages:
Part #11517563183: http://parts.bmwofsouthatlanta.com/p...517563183.html
Part #11517586925: http://parts.bmwofsouthatlanta.com/p...517586925.html

If you take a look at the product application notes, for the older part number (ending in 3183), it looks like this part was used on cars up to 7/2008. I would guess that means cars built up until that point. The newer part number just lists a bunch of BMW models with non-turbo I6 engines. If you click through the "Waterpump-Thermostat" link in the product application section, it looks like you just get a list of supporting parts needed. You'll notice that a few water pumps are listed, but the same notes on the date are there when you click "More Details" (http://parts.bmwofsouthatlanta.com/s...roduct=1271140).

I'm not sure if there's a good way to tell what model years exactly used which part# water pump and I couldn't find where accel got their information. Can anyone else shed light on this maybe?

So would this be any indication that 328s built after 7/2008 have the newest water pump part# installed? Feel free to tell me if I'm completely off base. My information sources may not necessarily be the best, but I'm just trying to think of any theories or ideas here that could help give some of us more peace of mind, especially since many of us use these cars as daily drivers and for the occasional long distance road trip.
Slight revision changes is the best guest. Thermostats were all aluminum housing before cars up to 08 I think. Now it looks like plastic or it is. But BMW does change p/n ever so often so we may never know what happened. Would be glad to know those info as well.
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      07-17-2013, 05:54 PM   #178
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Quote:
Originally Posted by PichaDis11 View Post
Slight revision changes is the best guest. Thermostats were all aluminum housing before cars up to 08 I think. Now it looks like plastic or it is. But BMW does change p/n ever so often so we may never know what happened. Would be glad to know those info as well.
I think I got my answer from the local WI Bimmer community forum that I visit. A member suggested that I check out penskeparts.com or realoem.com and this is a summary of what I found:
#11517546994
Description: RMFD WATER PUMP (to 06/06)
No longer available since 2007-02
Superceded by 11517563183

#11517563183
Description: RMFD WATER PUMP (to 07/08)
No longer available since 2008-04
Superceded by 11517586925

#11517586925 - Currently available
Description: REPLACE COOLANT PUMP, ELECTRIC
Interestingly, this water pump part # is 0.02 lbs heavier than the previous two. No idea what that might actually mean.

Edit:
realoem.com link http://www.realoem.com/bmw/showparts...=11&fg=35&hl=5
penskeparts.com link: http://www.penskeparts.com/DiagramsM...ts=11517546994

My belief would be that if Penske Parts lists the part as "no longer available" and could not sell it, I would hope that BMW stopped using those part numbers in manufacturing by the dates they were no longer available, if not sooner.

So my theory is that if your car was built after 07/08 and has a non-turbo I6 (N51/N52), you should have the latest water pump part # installed in your car.

I HOPE this provides some peace of mind for some of you out there! It's unfortunately just a theory and I have no real way of confirming if it's 100% true right now. I don't know for sure either if BMW really made improvements between the part # revisions, though I would hope they did.
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      07-27-2013, 01:15 AM   #179
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Data from 423 responses

I have compiled initial statistics based on 423 responses so far.

The general trends have not changed significantly since 300, so it seems like we may be plateauing a bit with the numbers.

Plot of estimated failure rate during specific mileage intervals:



Plot of estimated failure rate before a specific mileage (perhaps more interesting to some of us):
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      07-27-2013, 04:30 PM   #180
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      07-29-2013, 10:18 PM   #181
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Talking 2006 330xi 146.6k miles

original pump & T-stat
original AT fluid
original front rotor

battery died around 145k miles.
replaced shocks and rear rotor around 144k miles.
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      09-09-2013, 01:39 PM   #182
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62k miles, and Thursday, Sep-5th, I joined this illustrious water pump+thermostat replacement club.

First repair on the car since I bought it in March, 2012 with 40k miles on the odo.
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      09-09-2013, 01:50 PM   #183
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Quote:
Originally Posted by fb888 View Post
original pump & T-stat
original AT fluid
original front rotor

battery died around 145k miles.
replaced shocks and rear rotor around 144k miles.
Nicely done Sir!

I have replaced all four rotors and battery just this year. I have not replaced shocks as of yet. Original pump and T-stat at 109k miles.
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      09-09-2013, 07:16 PM   #184
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Quote:
Originally Posted by GoRomeo View Post
mine still running strong at 101k miles...(knock on wood)
How do you know it is still running "STRONG" vs. just running "strong enough with shadow codes?
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      09-09-2013, 09:20 PM   #185
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86K and WP still lives, but here's the rub. When I bought the car last year, I bought it without any documentation from the previous owner. That's 6 years that's completely blank. I'm hoping maybe the pump was replaced, but who knows? As much as it sucks though, if it goes out I'm ready to replace it.
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      09-09-2013, 10:39 PM   #186
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Mine was still running, with a strong return flow in the overflow reservoir, when I had my RBs installed at 100k miles. I replaced it at that time as a preventative measure. The thermostat was on it's way out though; randomly failing open.
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      09-10-2013, 01:17 AM   #187
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Quote:
Originally Posted by mike3000fl View Post
161,000 miles.

Same pump.
That is great to hear, hope mine makes it that long, 06 330i just turned 76,000 miles.
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      09-10-2013, 01:30 AM   #188
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Forgot about this thread. water pump died at about 49K miles. I was actually at the dealer when it died so I let them replace it with the thermostat since I have an extended warranty. I was out the door ini 3 hrs total
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      09-10-2013, 12:19 PM   #189
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Quote:
Originally Posted by Blackhawk36 View Post
How do you know it is still running "STRONG" vs. just running "strong enough with shadow codes?
You may have a good point but as long as my car is problem free i dont care about shadow codes but thanks for asking....
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      10-06-2013, 09:17 AM   #190
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This was freaking awesome and mine went out this morning at 90,500. N52 2006 325i
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