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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Technical Forums > DIY Guides > DIY Water Pump & Thermostat Replacement (2007 335i w/Automatic Transmission)



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Built My Way's Avatar DIY Water Pump & Thermostat Replacement (2007 335i w/Automatic Transmission)
Built My Way
12-23-2012
DIY Water Pump & Thermostat Replacement (2007 335i w/Automatic Transmission) NOTE: This DIY may be used on other 335i model years and on xi models as well (part numbers may differ).

UPDATE (Feb 16, 2014): BavAuto has put together a great video of the procedure which can...
  #44  
By Built My Way on 04-01-2013, 04:10 PM
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Quote:
Originally Posted by dhc905 View Post
For anyone not inclined to do this - I bought the parts here for a total of 325$ shipped and paid my independent mechanic 280 to do the install + 22 for BMW coolant. I think you can find people to do it for around 300-350 all day long...
$325 for the bolts, waterpump and T-stat and $280 for installation? For a 335i? Remember, this procedure is based on an '07 335i automatic and something tells me we're not comparing apples to apples here.
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  #45  
By deadmn1337 on 04-01-2013, 05:23 PM
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Quote:
Originally Posted by Built My Way View Post
The bolt p/n is already in the pre-procedure write up.
Def did not see the part number there earlier for some reason (probably reading too fast.) Got the install done fairly easy, found easiest way to get those factory plastic elbows to attach back on is to rub some WD-40 on the coupler and it slides right in.
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  #46  
By dhc905 on 04-01-2013, 10:51 PM
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Quote:
Originally Posted by Built My Way View Post
$325 for the bolts, waterpump and T-stat and $280 for installation? For a 335i? Remember, this procedure is based on an '07 335i automatic and something tells me we're not comparing apples to apples here.

You're right I should clarify it's for a 2006 325i AT. That said, I think the pumps/thermostat's are pretty similar (the 335i's WP being slightly higher AMP).
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  #47  
By ellipsis212 on 04-02-2013, 10:51 AM
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Quote:
Originally Posted by woodpecka View Post
Nice info.

Can you post the word file?
Sure thing: DIY doc
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  #48  
By ellipsis212 on 04-02-2013, 11:01 AM
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Quote:
Originally Posted by dhc905 View Post
For anyone not inclined to do this - I bought the parts here for a total of 325$ shipped and paid my independent mechanic 280 to do the install + 22 for BMW coolant. I think you can find people to do it for around 300-350 all day long...
I'm not trying to discount what you said, but can you let others know where you got the parts for so cheap? Even Tischer/ECS charge $375-400 for JUST the waterpump let alone the t-stat ($90-100) and coolant ($20ish). Thanks.

Paying someone else to do it for you is a great idea too, esp if they'll take $300.
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  #49  
By dhc905 on 04-03-2013, 05:37 PM
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I really lucked out in that a member here accidentally bought the non-turbo pump for his turbo car and sold me the brand new pump for $250 (including shipping!). I bought the t-stat brand new for $85 shipped. Coolant was $24 after tax, bought at a local indie shop here in the East Bay.

I think the value of my original comment was that you can pay someone ~$300 to do all this work. The rest was just bragging that I got such a good deal

Quote:
Originally Posted by ellipsis212 View Post
I'm not trying to discount what you said, but can you let others know where you got the parts for so cheap? Even Tischer/ECS charge $375-400 for JUST the waterpump let alone the t-stat ($90-100) and coolant ($20ish). Thanks.

Paying someone else to do it for you is a great idea too, esp if they'll take $300.
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  #50  
By vietkidd on 04-03-2013, 06:50 PM
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Quote:
Originally Posted by tcw View Post
It looks like you ordered the same bolts as me but the same waterpump as the OP, make sure you have the correct bolts for your application.


http://www.fcpimport.com/

================================================== ==========
Order Summary
================================================== ==========
11510392553 BMW Water Pump Set Screws Genuine BMW - 11510392553 (1) @ $8.75 = $8.75
11517588885 BMW Electric Water Pump - VDO (OEM) 11517588885 (1) @ $399.95 = $399.95
11537549476 BMW Thermostat - Behr 11537549476 (1) @ $74.99 = $74.99
82141467704 BMW Coolant/Antifreeze - Genuine BMW 82141467704 (1) @ $24.55 = $24.55
================================================== ==========
Subtotal: $508.24
Promotion (5% Off - Limited Time Only): -$25.41
Shipping: $0.00
Order Total: $482.83
so are these the correct parts that i should get???
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  #51  
By tcw on 04-08-2013, 04:06 PM
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Quote:
Originally Posted by vietkidd View Post
so are these the correct parts that i should get???
Apparently the waterpump I ordered is an older revision (and cheaper). So if you ordered the one I did then you would need the bolts I ordered. Otherwise order what the OP ordered.
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  #52  
By vietkidd on 04-08-2013, 05:36 PM
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Quote:
Originally Posted by tcw View Post
Apparently the waterpump I ordered is an older revision (and cheaper). So if you ordered the one I did then you would need the bolts I ordered. Otherwise order what the OP ordered.
what is the difference between the old and the new??
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  #53  
By tcw on 04-09-2013, 11:25 AM
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Quote:
Originally Posted by vietkidd View Post
what is the difference between the old and the new??
I am not sure. I think I read something about adding or removing a rubber bushing for vibrations.
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  #54  
By vietkidd on 04-09-2013, 06:19 PM
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Quote:
Originally Posted by tcw View Post
I am not sure. I think I read something about adding or removing a rubber bushing for vibrations.
do u have any issues with the water pump and thermostat?
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  #55  
By tcw on 04-09-2013, 09:24 PM
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Quote:
Originally Posted by vietkidd View Post
do u have any issues with the water pump and thermostat?
Nope.
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  #56  
By AviatorBimmer on 04-24-2013, 07:59 AM
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Awesome guide! I will definitely save the $800 of labor my dealership wants to charge for this and do it myself. I already ordered all the parts and tools needed and will do this next week after I return home from a small 1 week trip.

Do you guys recommend also buying new bolts for the thermostat or just the new ones for the water pump?

By the way, I also ordered a wifi ODC reader and will use BMWhat? ro reset the codes/errors. Quick question reference that... Will I see errors/codes which aren't normally displayed on the dashboard by using BMWhat?

Thanks for the help, guys!
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  #57  
By Built My Way on 04-24-2013, 10:29 AM
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Quote:
Originally Posted by AviatorCop View Post
Awesome guide! I will definitely save the $800 of labor my dealership wants to charge for this and do it myself. I already ordered all the parts and tools needed and will do this next week after I return home from a small 1 week trip.

Do you guys recommend also buying new bolts for the thermostat or just the new ones for the water pump?

By the way, I also ordered a wifi ODC reader and will use BMWhat? ro reset the codes/errors. Quick question reference that... Will I see errors/codes which aren't normally displayed on the dashboard by using BMWhat?

Thanks for the help, guys!
I used the same bolts for the t-stat. As for an answer to the second question, you may want try the General forum section. All the best and remember to read the bold print pre-amble thoroughly.
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  #58  
By AviatorBimmer on 04-24-2013, 12:15 PM
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Quote:
Originally Posted by Built My Way View Post
I used the same bolts for the t-stat. As for an answer to the second question, you may want try the General forum section. All the best and remember to read the bold print pre-amble thoroughly.
Thanks... I just ordered the parts from Tischer. Can't wait to get started on it.
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  #59  
By ellipsis212 on 04-24-2013, 01:02 PM
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Quote:
Originally Posted by AviatorCop View Post
Will I see errors/codes which aren't normally displayed on the dashboard by using BMWhat?

Thanks for the help, guys!
If you read the codes you should see a combination of water pump or t-stat messages.

Mine read something like:
1) coolant pump, speed deviation
2) coolant pump, communication

these happened moments before my overheat warning/limp mode.

t-stat got replaced anyway because.
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  #60  
By AviatorBimmer on 04-24-2013, 01:04 PM
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Quote:
Originally Posted by ellipsis212
If you read the codes you should see a combination of water pump or t-stat messages.

Mine read something like:
1) coolant pump, speed deviation
2) coolant pump, communication

these happened moments before my overheat warning/limp mode.

t-stat got replaced anyway because.
Ok, so BMWhat? with a wifi OBD scanner will work to read these types of codes and I don't need to buy a dcan cable?

Just want to make sure since I already ordered the wifi OBD scanner and don't want to buy a dcan cable if not needed.
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  #61  
By psu139 on 04-24-2013, 09:37 PM
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Just wanted to say thanks for this walk through I just performed it today. Also, I know it says you need to install the thermostat after the pump but I was able to install the t stat first and then the pump. It took me about 3 hours to get everything apart and less than an hour to get it back in this way. Setting the torque on the top bolt gets a bit trickier but this seemed much easier to do this way.
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  #62  
By AviatorBimmer on 05-05-2013, 08:03 PM
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Mission Accomplished!!!

Took me about 4 hours for removal, install and code/errors reset... Couldn't have done it without this tutorial. Thanks again!

BTW, I did not use any sort of thread lock paste on the pump bolts. Is this ok?
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  #63  
By Built My Way on 05-06-2013, 11:30 AM
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Quote:
Originally Posted by AviatorCop View Post
Mission Accomplished!!!

Took me about 4 hours for removal, install and code/errors reset... Couldn't have done it without this tutorial. Thanks again!

BTW, I did not use any sort of thread lock paste on the pump bolts. Is this ok?
Congratulations and think of the $$$ you saved.

I didn't use anything on the bolts, just torqued them as specified.
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  #64  
By dragazn on 05-14-2013, 11:15 PM
can this be applied to e92 manual? anyone know what is the difference?
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  #65  
By Built My Way on 05-15-2013, 04:04 AM
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Quote:
Originally Posted by dragazn View Post
can this be applied to e92 manual? anyone know what is the difference?
One difference I know of is finding a low point to drain the coolant. You may have to remove your intercooler to get to the drain plug at the bottom of the radiator. Not a big job from what I've seen plus you'll have more room to maneuver the T-stat.

If you are able, remove the splash guard and do a comparison with the pictures to see what you're up against or maybe someone who owns one can chime in.
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