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Dreaded water pump failure !
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12-25-2017, 07:11 AM | #1 |
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Dreaded water pump failure !
Merry Xmas everyone.
Don't expect anyone to be trolling the forums like me on Christmas Day but my Christmas present can't make up for waiting 3 hours to be recovered on Xmas eve lol. I was driving with the engine temp at 75/80 - barely at operating temp and get a Amber engine temperature light saying drive moderately to allow the engine to cool. The fan was on overdrive at this point so I eased of from 30mph to 5mph lol and then the red sign came. switch of engine - Popped the bonnet, engine cold as ever, about to close and noticed fluid on the top of the engine coolant area. Thought it was a leak somewhere to topped up with some. Luckily a friends coolant tank burst and had to be replaced and I had some of his left over coolant. Topped up a few drops, didn't seem much like a leak. Long story short fan on overdrive and coolant seemed to be overheating. Got recovered home. Checked the fluid this morning and defiantly no leaks. Everything has dried and fluid is at max level. I tried to bleed the system (ignition on, temp high, fan speed low, kick plate 15 secs) No water/fluid gushed and a small faint sound was coming . I guess it was trying. No cel or limp mode but fan on overdrive and overheating warnings. Is this the symptoms of a failed waterpump... Any help appreciated ! Thanks |
12-25-2017, 09:05 AM | #2 |
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Yes, sounds like the water pump. How many miles does tha car have now? Mine just made it to 112k miles and water pump gave up.
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2009 335i Saphire Black M Sport "Leopold" Cobb stage 2 aggressive tune, Mishimoto FMIC, Cobb charge pipe, Cobb catted down pipes, Forge diverter valves, BMS inlets and DCI, Cyba scoops and M Individual Audio retrofit and M3 gauge cluster retrofit. 2011 328i Titan Silver M Sport "Franzel" <--Wife's car |
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12-25-2017, 10:10 AM | #3 |
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Agreed water pump. I had the exact same thing last week. If you start the car when its cold is the fan on straight away? This is what mine did, just changed pump and thermostat while I was at it, now all good again.
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12-25-2017, 10:34 AM | #4 |
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12-25-2017, 10:37 AM | #5 | |
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The fan went on overdrive this morning. Do you guys have any recollection of cost of the waterpump and thermostat. I plan on doing this job myself and can pick up the parts from ecp for 450ish with the "discount code". One questioning I also had was - wouldn't it be better replacing the oem with a better more reliable aftermarket part or would oem be best ? I guess I had it coming around the 60kish mileage |
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12-25-2017, 10:54 AM | #6 |
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I went with a kit from germany as this seemed to be the best price I could find and buying the kit seemed eaiser. Its a VDO pump which is same manufacturer as oem I believe, all in was about £360 delivered.
Mine is a 335i and just hit 70k. Pump looked identical to the one that came out, thermostat looked ok to but still have the original if needed as I think this was probably ok but changed anyway. Only thing I reused the oem u pipe from pump to thermostat as this looked better than the one in the kit and was still ok. Kit came with the three new bolts also. https://m.ebay.co.uk/itm/ELEKTR-WASS...=1653112717005 I emailed the seller and they confirmed it was for the N54 which what what I needed. I like going oem but not if its made by the same manufacturer and twice the price. But you can check this. I fitted myself on the drive, a bit of a pain for me I was learning as I went! But got it done ok, it just took me longer than it should! Last edited by tuckerjenkins; 12-25-2017 at 11:08 AM.. |
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12-26-2017, 10:53 AM | #7 |
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Mine went at 60k too.
I was driving home and noticed no heat from my vents and could hear the fan going wild. Managed to get within a mile of home before I had the red light, so left it for 20mins and drove it home. Lukcily I have BMW warranty so it was fixed using that |
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12-28-2017, 03:14 PM | #8 |
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My E93 335i water pump went exactly this time last year. I got mine replaced as well as the thermo... since its in the same place for £850 fitted including parts.... wasn't a BMW authorised garage just a reliable Indy which I know what they are doing... 60k it packed in as well.
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12-29-2017, 07:59 AM | #9 |
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The water pump failed on my old e90 318i a couple years ago.
First i got a message asking to top up coolant. Instead of just topping up i parked up and ran carly for errors. Water bump error showed up so i called up BMW to come check the car. The technician arrived and just wanted to top up the fluid and leave but i insisted he ran the car for codes. Great so we both agree water pump is faulty, car is flat-bedded to a bmw garage. Next day i get a call from BMW asking why the car was towed to them and again i asked them to run the codes and finally agree with them the pump is faulty. Couple days later all sorted, replaced under warranty. I'm shocked at how quick they were to just top up the fluid and send me on my way. Moral: Always keep carly adaptor & app with you at all times. |
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12-29-2017, 09:50 AM | #10 |
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Damn not nice on Christmas Eve to have this happen.
It's definitely water pump as others have stated. Mine went beginning of the year heading down the M1. Exact same symptoms etc. Luckily mine is under warranty but think I asked and the water pump from the dealers was like £500 odd from memory.
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12-31-2017, 03:04 PM | #12 |
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You HAVE to be kidding me right now. Broke down on Xmas eve. As of yesterday the water-pump and thermostat had been replaced. A bish of a job !
Did a fresh oil change aswell whilst I was at it. New Year's Eve - decided to go down south for the fireworks.. a little weird that the engine temp decided to drop from 100ish (normally sits between 110 and 120). On the motorway doing 70 and engine oil temp drops to 80... Yellow engine light - reduced power ! Need that k+dcan cable a lot sooner ! |
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01-01-2018, 04:19 AM | #13 |
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Thats not good, did you clear all waterpump related codes prior to installing new pump?
There is a good thread on here DIY- water pump & thermostat replacement by 'Built My Way' that's worth a read. If it's got tits or wheels its trouble. Hope you get it sorted & happy new year
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01-01-2018, 09:30 AM | #14 | |
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I've pretty much done everything on that sticky, only thing I haven't done is cleared the codes. Now the thing is when I got home after the engine overheating warning I diagnosed the fault with the use of forums and YouTube videos. Carried out the bleed procedure to confirm it had gone, when I switched the car on couple days ago to repair it there was no fault codes but the fan was on overdrive. Hence I have not hooked it up to clear any fault codes because I do not have any kit atm and the warning didn't come on. I followed the Bavarian auto sport YouTube channel and they never mentioned it also. Do you think the drop in temp is because of me not clearing the codes ? Took it for a drive this morning and it got to 100 and then dropped to 80 and just stayed there. |
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01-01-2018, 11:36 AM | #15 |
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It could be but I don't know for sure, when my water pump was replaced the fault codes were cleared prior to installation & a software update performed afterwards & all was good for me.
I would suggest clearing faults, you will need a proper reader/scanner or Carly. Any fault codes will not show up via the I-drive or on board computer. Post up how you get on
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01-03-2018, 04:39 PM | #17 |
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Yeah oil burner water pumps are pretty inexpensive
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G31 40ix M Sport
E92 335i. E36 328is coupe E39 540i V8 6SP manual E34 3.6 M5. E34 525i sport. VW Jetta Mk2 GTI 16v. 1679cc 1967 resto-cal beetle |
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01-03-2018, 07:46 PM | #18 |
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Hi all,
Thanks to all the help, I was finally able to read the codes, hopefully someone will be able to tell me what the error is, from my understanding the thermostat electrical connector is the reversed and there is a error with the coolant temperature sensor, error 3 is the golf tee mod Thanks |
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01-04-2018, 03:59 PM | #19 |
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Bump...
Just went underneath the car to check for any loose cables. The thermostat cable was slightly loose so I thought that may have triggered the fault codes and keeping the thermostat open. Cleared the codes and took it for a run, but to no avail. Came back and checked for codes but the only code to re-appear is the god tee code ! I'm completely lost and slowly falling out of love with this thing ! Any help is appreciated!! |
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01-04-2018, 05:04 PM | #20 |
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Drives: Beige G31 40ix m sport
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Temperature sensor? I believe it's located next to the hpfp.
Unfortunately these cars can & do have regular issues, sometimes expensive other times not so. Those of us that are 'into' bmws put up with the pain because when your 335i is running well it'll put a big grin on you face every time. Have a look through my 'how much has your 335i cost you this month? Thread it'll give you an idea of what these cars can cost to run. Most of us on here with 335is have had issues, I certainly had mine when I first bought my 35i, recently it's been running well but the next big repair bill could happen at anytime
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G31 40ix M Sport
E92 335i. E36 328is coupe E39 540i V8 6SP manual E34 3.6 M5. E34 525i sport. VW Jetta Mk2 GTI 16v. 1679cc 1967 resto-cal beetle |
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01-05-2018, 11:15 AM | #21 | |
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Quote:
there can be a problem where the power distribution box doesn't provide enough power. This then doesn't provide the water pump with enough power and you get the symptoms of a failed pump. It's worth checking. My pump failed last year after 75,000 miles but my car has been well beyond standard for quite some time. Down pipes and meth probably at 40,000 miles. Stage 3 turbos recently. I changed my pump and thermostat before checking it and luckily it was my pump. Have a watch of this: https://www.youtube.com/watch?v=tO9JQeq8qFc
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