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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions > NA Engine (non-turbo) / Drivetrain / Exhaust Modifications > N52 Owners: Elec Water Pump Check-In Part Deux



View Poll Results: How many miles have you logged, and have you replaced your water pump yet?
Not yet, I have 60-75,000 miles 24 21.24%
Not yet, I have 75-90,000 miles 26 23.01%
Not yet, I have 90-105,000 miles 18 15.93%
Not yet, I have 105-120,000 miles 11 9.73%
Not yet, I'm invincible and have 120,000+ miles 4 3.54%
Yes, between 60-75,000 miles 6 5.31%
Yes, between 75-90,000 miles 9 7.96%
Yes, between 90-105,000 miles 9 7.96%
Yes, between 105-120,000 miles 2 1.77%
Yes, between 120,000 and xxx,xxx miles 4 3.54%
Voters: 113. You may not vote on this poll

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      01-03-2014, 05:24 PM   #1
3002 tii
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N52 Owners: Elec Water Pump Check-In Part Deux

In my original thread, I was most concerned with how many miles one could log prior to changing the water pump. What it didn't answer however was when your water pump actually failed so I'm creating a new poll and hopefully a Moderator will make this a 'sticky'

This is for N52 owners ONLY. Please vote yes IF and ONLY IF YOUR PUMP ACTUALLY FAILED. If you replaced it for precautionary (preventive maintenance) purposes, do NOT VOTE at ALL. This will skew the data. However do feel free to post details in a written response below.

If you did replace your water pump (preventive or because of failure), please also provide the following info:

a. year / model / transmission
b. did it actually fail or was this preventive maintenance?
c. how much did the repair cost (and indicate labor vs parts)?
d. was it replaced at indy or dealer?
e. was there any other damage caused as a result?
f. do you track your vehicle? (DO NOT reply if you participate in canyon carving, street racing, etc.). strictly referring to auto-x, road course, drift and drag.
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Last edited by 3002 tii; 01-30-2014 at 11:25 AM.
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      01-03-2014, 06:04 PM   #2
mlifxs
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123k+ miles still with orig pump, but you're creeping me out with that "invincible" thing lol
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      01-05-2014, 09:26 AM   #3
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a. 2007 328i 6MT

b. Failed @ 66,748 miles on 12/30/13 @ 15:35.

c. $528.79 total for pump, tstat, bolts, coolant and distilled water. Parts & materials only. (BMW parts and coolant)

d. Replaced myself.

e. No other damage that I am aware of.

f. Do not track.
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      01-06-2014, 08:40 AM   #4
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06 325xi auto
135,000 miles
$536
Repaired myself
No other problems
Just normal driving.
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      01-10-2014, 04:37 PM   #5
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A. 06 325i auto
B. Fail @ 110K
C. $1375 - Pump/t-stat/temp sensor
D. Dealer - Orem, UT
E. Nothing according to the dealer
F. I have never tracked, but I plan on it

Failed about a month after purchasing while in BFE Utah in mid-December. It was -14*. Not fun, but the BMW Dealership in Orem was able to get everything replaced in about 3 hours so I could get back on my trip to AZ.
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      01-10-2014, 04:46 PM   #6
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A. 06 325I Auto.
B. Not yet fail @ 65.5K
C. N/A
D. DIY
E. NA
F. Never Track
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      01-11-2014, 12:47 PM   #7
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a. 06 / 325 / auto
b. failed
c. parts 200 (wrecked parts car) labor free (DIY)
d. by me.
e. one hose went bad before the pump went out (30 at bmw). week later, pump went
f. nope. just a daily with occasional spirited driving
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      01-19-2014, 03:17 PM   #8
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You should include N51 . . . I didn't vote because it's your thread, but nothing about an N51 should be different in this area. Failed at 55,000 miles.
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      01-20-2014, 11:22 AM   #9
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A. 06 325i Manual
B. Fail @ 86000mi
C. $1200 - Pump/t-stat/temp sensor
D. Indy
E. No
F. Tracked 2 times
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      01-20-2014, 12:29 PM   #10
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a. year / model / transmission: 06 325xi Auto Tranny
b. did it actually fail or was this preventive maintenance?: Pump failed at 133K
c. how much did the repair cost (and indicate labor vs parts)?: Ordered pump and tstat from Tischer all in one kit for FAR less than BMW $1600, Tischer: $475
d. was it replaced at indy or dealer?: Did the wrench work myself ~4.5 hours and 6 Coronas
e. was there any other damage caused as a result?: None that I know of.. just a tow
f. do you track your vehicle? (DO NOT reply if you participate in canyon carving, street racing, etc.): No, I only drive this vehicle to work and back.. although there is a nice curvy spirited back road I like to take..
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      01-23-2014, 09:16 PM   #11
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A) 2007 e93 328i
B) Preventive
C) $200 - Labor
$1000 - Parts (All Hoses, Valve Cover gasket, Thermo, Waterpump)
D) Dealer (a friend)
E) None
F) No...it's a 328i haha
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      02-22-2014, 05:27 PM   #12
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On mobile so forgive me if I miss any info:

- 2006 330xi 6MT
- pump failed
- around 145k miles IIRC
- around $500 for pump, tstat, bolts, and coolant from Tischer
- did it myself (job itself is a breeze, getting to it is the b****. Lift helped
- seemed to be an isolated issue
- had not tracked it previously myself, but am the 3rd owner. Hooked on autoX now, let's hope it lasts
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      05-18-2014, 09:02 PM   #13
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-2008 328i, Auto
-Thermostat failed, Pump chumped in as preventative maintenance.
- Cost $532. W/p thermostat kit & VCG Kit from Tischer.
- ~96km
- FREE cuz wrencher. (PITA btw)
- By me
- No damage that I know of.
- No track but the streets of NY may qualify me in that category.
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      05-19-2014, 07:39 AM   #14
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- 2006 330i (01/06 build)
- 122k miles
- original pump
- wife's daily driver since new, we ordered the 330i in order to get 6MT and options/color wanted

I suppose I should replace it as a PM item at some point. Overall, this car has been amazingly reliable since new.
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      09-14-2014, 05:47 PM   #15
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Car threw a code for Water pump, gathering the parts to replace it - I hope I have the time.
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      09-17-2014, 08:22 AM   #16
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2006 BMW 325i  [0.00]
06 325i Auto
88,000 miles
$525
Repaired myself
No other problems
No track
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      10-25-2014, 08:56 PM   #17
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a. 2006 / 325i / automatic
b. Failure at 76,000 miles.
c. $488/$121/$25/$330 water pump/thermostat/coolant/labor.
d. Independent BMW mechanic.
e. No.
f. No.
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      12-09-2014, 08:53 AM   #18
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this poll would work better if you could account for multiple cars and change your answer.

wife's finally went.

A. 06 325xi 6 speed
B. 98,000 miles
C. $531 for an overnight waterpump/tstat/bolts/coolant kit
D. I'll be replacing it, I took off the underpanels last night. doesn't look too difficult.
E. No damage, I did limp it home. temp stabilized at a rather high temp, but not really that much higher than the normal op. temp of an N52.
F. Definitely never tracked

I was planning on changing the DME to report the internal errors for the water pump as a SES light, but it failed the week before I was going to do that. So, I won't really know if that would have given us any more of a warning than basically failing suddenly. it's actually not that bothersome to me that the pump dies, it's more the mode of failure where it just stops working with zero warning. I'll be disassembling the pump as I'm curious to what fails. I've always wanted to know if they could be rebuilt.
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