BMW 1 Series Coupe Forum / 1 Series Convertible Forum (1M / tii / 135i / 128i / Coupe / Cabrio / Hatchback) (BMW E82 E88 128i 130i 135i)
 





 

View Poll Results: I own a...
2008 model and the waterpump failed. 88 15.97%
2008 model and the waterpump is ok. 124 22.50%
2009 model and the waterpump failed. 23 4.17%
2009 model and the waterpump is ok. 114 20.69%
2010 model and the waterpump failed. 2 0.36%
2010 model and the waterpump is ok. 48 8.71%
2011 model and the waterpump failed. 12 2.18%
2011 model and the waterpump is ok. 80 14.52%
2012 model and the waterpump failed. 0 0%
2012 model and the waterpump is ok. 33 5.99%
2013 model and the waterpump failed. 1 0.18%
2013 model and the waterpump is ok. 26 4.72%
Voters: 551. You may not vote on this poll

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      02-03-2013, 03:04 PM   #45
Brian135i
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Mine just failed.
2009 135i with 48K Miles.
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      02-03-2013, 10:19 PM   #46
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Quote:
Originally Posted by TheSt|G
2010 19,000 miles original pump.

Plan on replacing it at 50k intervals. Replacement pump is cheaper than a replacement engine.
Is this a job your local indy mechanic can do? Is there any reprogramming required afterwards for the pump or thermostat?
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      02-03-2013, 10:42 PM   #47
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May '09 build, N54, 56K miles, original pump
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      02-04-2013, 12:56 AM   #48
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my thermostat just went, and the pump is fine ( no CEL )
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      02-04-2013, 01:58 AM   #49
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Failed-May 08 build, went at 63,000km, N54-BMW paid for pump and I paid for labour.
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      02-05-2013, 08:40 PM   #50
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2009 135i....55K miles...original pump. No issues yet!
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      02-05-2013, 09:23 PM   #51
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April 2008 build, 66K miles and my water pump is fine. Tuned since about 20K miles. Progressively been adding mods over time, last one was meth since about 50-55K miles.

I've always heard to expect the water pump to fail by 100K miles, usually around 80K based on older generation models and friends who have had them. Knocking on wood for mine... though I got the warranty extended to 100K so I'm kinda hoping it just fails by then so I can just replace it already.
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      02-07-2013, 07:22 PM   #52
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Quote:
Originally Posted by Lucky1 View Post
Is this a job your local indy mechanic can do? Is there any reprogramming required afterwards for the pump or thermostat?
Can anyone comment on this? I'm trying to decide if having my local garage mechanic pro-actively replace the water pump and thermostat is safer and more cost effective. Rather not have this fail in the middle of driving, tow the car and be without it while BMW fixes it and rips my wallet a new one if it can be prevented. What are you guys planning on doing?
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      02-08-2013, 08:43 AM   #53
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2009 135 with about 110K (crazy huh?). My pump hasn't gone bad yet (knock on wood). Is there a DIY around here? Something I could do? I've come up short using the search button.
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      02-08-2013, 09:37 AM   #54
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Quote:
Originally Posted by Lucky1 View Post
Can anyone comment on this? I'm trying to decide if having my local garage mechanic pro-actively replace the water pump and thermostat is safer and more cost effective. Rather not have this fail in the middle of driving, tow the car and be without it while BMW fixes it and rips my wallet a new one if it can be prevented. What are you guys planning on doing?
From what i have read, its even an easy DIY job. It is readily accessible once you disconnect the endlinks from your FSB and let it hang. Drain the coolant, a few bolts and youre there. Just purge the coolant from air and youre good to go.
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      02-08-2013, 11:00 AM   #55
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Quote:
Originally Posted by b1aze View Post
From what i have read, its even an easy DIY job. It is readily accessible once you disconnect the endlinks from your FSB and let it hang. Drain the coolant, a few bolts and youre there. Just purge the coolant from air and youre good to go.
+1. I believe it to be relatively an easy replacement job. I have not really seen a DETAILED DIY. Just that one DIY with a few pics here and there. I would really like to see someone do a step by step DIY.

Btw... you can buy a new BMW (dealer)pump & thermostat from one of our forum sponsors for under $500 for both! That is a much better price than $1,200 that some have paid stranded at a dealer in Timbuktu.

I am almost at the right miles to start thinking about doing a waterpump replacement as well. Humm....


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      02-10-2013, 05:18 PM   #56
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Quote:
+1. I believe it to be relatively an easy replacement job. I have not really seen a DETAILED DIY. Just that one DIY with a few pics here and there. I would really like to see someone do a step by step DIY.

Btw... you can buy a new BMW (dealer)pump & thermostat from one of our forum sponsors for under $500 for both! That is a much better price than $1,200 that some have paid stranded at a dealer in Timbuktu.

I am almost at the right miles to start thinking about doing a waterpump replacement as well. Humm....


Dack
Maybe us higher mileage owners should buy the parts and just keep them in the trunk in case that happens Ask them to quote both parts and labour AHEAD of a failure and then surprise them by producing the parts when your car gets towed there. Keep 'em a little more honest.

Thats if you don't proactively replace them ahead of time that is.
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      02-10-2013, 06:42 PM   #57
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It would be nice in this poll to know the engine and if the car is modded. A modified/tuned 135i is going to dump a lot more heat than something else.

Does anyone know the mode of failure? Is it an impeller? Electronics?

Given the temps these engines run, I can understand why there may be early failures.
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      02-10-2013, 06:49 PM   #58
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2008
27,000 miles
original pump, no problems.
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      02-13-2013, 01:18 PM   #59
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Mine failed.

April 08 build, N54.

Failed at 55000km during a road trip. Got towed via BMW roadside assistance and replaced under warranty.
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      02-13-2013, 08:31 PM   #60
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61800 miles
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No issues yet
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      02-16-2013, 03:24 PM   #61
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'09 135i - 50k miles - no water pump issues so far
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      02-19-2013, 12:29 PM   #62
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So far we're averaging a 12.5% failure rate(all models). By far most are 2008 model years. Keep up voting guys!


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      02-19-2013, 12:35 PM   #63
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I have just under 10k miles on my 2011 1M, no failure.

I had just under 30k miles on my old 2011 N51 128i before I sold that, and there had yet to be a water pump failure.

Give it time lol.
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      02-19-2013, 01:18 PM   #64
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Mine just failed at 106,000kms... It also had the dinan tune for most of its life
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      02-21-2013, 06:35 PM   #65
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      02-26-2013, 11:01 AM   #66
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I was at my dealer today picking up some brake rotors for my e39... I asked them how long the electric water pumps last. I told them a friend of mine with an early ('08 or '09) 335i just had his water pump die at 90K miles. And they said... of course... at anything over 60K miles and your on borrowed time. So.... I think 60K or 70K is gonna be when I change mine.
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