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General E46 Forum
This is the place to get answers, opinions and everything you need related to your E46 (sedan, coupe, convertible and wagon) BMW!

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Old 07-24-2013, 08:08 AM   #1301
Stinger9
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This is a classic example of why we cling to DIY on this forum. We're frightened of what might happen if we don't.
Critical in the OFH is that there are three different bolt lengths (out of six total) according to realoem, and if not replaced in the correct locations, you can really screw things up. (the DIY's strongly suggest how to deal with this)
Also a caution to get the correct torque on these bolts because the Al block threads can easily be stripped. Then drastic steps must be taken to repair the threads. I'd be worried about letting a mechanic near those threads. Check yours.

Last edited by Stinger9; 07-24-2013 at 08:09 AM.
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Old 07-24-2013, 12:14 PM   #1302
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Re: * E46 Cooling Guide (Information w/parts list/bleeding) *

Will do mango. I just started working on reupholstering the pillars and hope to finish it tonight so I can get it detailed.

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Old 07-24-2013, 04:46 PM   #1303
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So my biggest concern now is getting the radiator fan out. I dont have the two tools to get it loosened so that is my first problem, is there any way to do it with out the tools (32mm wrench and the other one)? And my second concern is putting that back in when im all done. None of the DIYs really go over that and maybe I'm just overlooking the difficulty of it seeing as I've never done it. But, is putting the radiator fan back onto the water pump pulley difficult, like getting them to line up and what not?

Is there a DIY for this that anyone recommends?
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Old 07-24-2013, 04:59 PM   #1304
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* E46 Cooling Guide (Information w/parts list/bleeding) *

Radiator fan removal is cake once you have a 32mm wrench. Slim to win. A quick movement will allow you to work it loose.

Removing the water pump is difficult without having bolts to help work it loose.


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Old 07-24-2013, 05:11 PM   #1305
brickhaus
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Radiator fan removal is cake once you have a 32mm wrench. Slim to win. A quick movement will allow you to work it loose.

Removing the water pump is difficult without having bolts to help work it loose.


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like this?



you can use the 10mm bolts from the airbox im pretty sure work to push the water pump out
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Old 07-24-2013, 07:33 PM   #1306
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Boy I sure am glad I have a manual trans! Better in every way.

Yes, you can follow this vid if you have some skill and sense.
Don't blame us if you try without that.
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Old 07-24-2013, 07:56 PM   #1307
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Brick.... I just did a complete cooling system overhaul a few months ago... All new everything. You can order the wrenches off of Amazon for cheap... Or maybe even buy one at Harbor Freight. Heck, you could even make one. The key is stopping the fan from turning as you pop the wrench over to the side to loosen the nut. It doesn't take much... I was surprised how easy it was.

With regard to putting it back on, snug is all you need. But I would recommend the electric fan conversion. It makes it super easy to get at anything you need again in the future.

And pony up the $.75 cents for the two bolts for the water pump... Specs for the bolts are around here somewhere. It makes it SO easy to remove the water pump!
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Old 07-24-2013, 09:22 PM   #1308
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Quote:
Originally Posted by Stinger9 View Post
This is a classic example of why we cling to DIY on this forum. We're frightened of what might happen if we don't.
Critical in the OFH is that there are three different bolt lengths (out of six total) according to realoem, and if not replaced in the correct locations, you can really screw things up. (the DIY's strongly suggest how to deal with this)
Also a caution to get the correct torque on these bolts because the Al block threads can easily be stripped. Then drastic steps must be taken to repair the threads. I'd be worried about letting a mechanic near those threads. Check yours.
I have a habit of putting bolts into a piece of card stock in their relative locations as I remove them but Since this was pulled by someone else before, I ll check Realoembmwparts to be sure of the locations.
I need to get a new gasket of course, should I buy new bolts?
I'll also check the DIYs a few times before I start pulling it down.
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Old 07-24-2013, 09:39 PM   #1309
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Originally Posted by ti317 View Post
I have a habit of putting bolts into a piece of card stock in their relative locations as I remove them but Since this was pulled by someone else before, I ll check Realoembmwparts to be sure of the locations.
should I buy new bolts?
DIY's use a piece of cardboard to peg the bolt locations.
I'll be curious to know if any holes are already stripped.
Just make sure bolts grab enough threads without bottoming out.
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Old 07-24-2013, 10:36 PM   #1310
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Quote:
Originally Posted by Big Rick View Post
Brick.... I just did a complete cooling system overhaul a few months ago... All new everything. You can order the wrenches off of Amazon for cheap... Or maybe even buy one at Harbor Freight. Heck, you could even make one. The key is stopping the fan from turning as you pop the wrench over to the side to loosen the nut. It doesn't take much... I was surprised how easy it was.

With regard to putting it back on, snug is all you need. But I would recommend the electric fan conversion. It makes it super easy to get at anything you need again in the future.

And pony up the $.75 cents for the two bolts for the water pump... Specs for the bolts are around here somewhere. It makes it SO easy to remove the water pump!
Arent the two bolts you can use the 10 mm ones from the air box?
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Old 07-24-2013, 11:17 PM   #1311
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think so
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Old 07-25-2013, 04:37 AM   #1312
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I've been looking at a 2002 BMW with 124,814 miles. They are asking 6500$ I talked to the previous owner and she said that there was some problems starting with the AC. I want to know if it is something that should be fixed before I buy the car and what the cause may be. Other than that the car seems in pretty good shape. It has 124,000 miles
A squeaky window and the sun roof doesn't open sometimes. I need to know of this is a good deal. And some help with what to do thank you.
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Old 07-25-2013, 05:55 AM   #1313
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Originally Posted by Stinger9 View Post
DIY's use a piece of cardboard to peg the bolt locations.
I'll be curious to know if any holes are already stripped.
Just make sure bolts grab enough threads without bottoming out.
Same idea on the bolts. Learned that years ago, it helps to not lose them too.

Thanks again to you and Mango for the help. I know this is not directly on topic so my thanks are even greater.
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Old 07-25-2013, 06:16 AM   #1314
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Arent the two bolts you can use the 10 mm ones from the air box?
I would imagine you could... I figured I would buy them at Home Depot as I live there anyway... LOL
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Old 07-25-2013, 08:54 AM   #1315
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I would imagine you could... I figured I would buy them at Home Depot as I live there anyway... LOL
Of course don't confuse socket head size with bolt size when purchasing.
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Old 07-25-2013, 01:14 PM   #1316
Jsimonis97
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* E46 Cooling Guide (Information w/parts list/bleeding) *

I have a few questions about a BMW. And I heard you guys could help.


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Old 07-25-2013, 02:57 PM   #1317
Jsimonis97
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* E46 Cooling Guide (Information w/parts list/bleeding) *

I have a few questions about a BMW. And I heard you guys could help.


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Old 07-25-2013, 03:02 PM   #1318
Stinger9
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Don't post twice is our first advice.

And start a new thread unless it's a cooling system question.
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Old 07-26-2013, 04:37 PM   #1319
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Originally Posted by Stinger9 View Post
Don't post twice is our first advice.

And start a new thread unless it's a cooling system question.
Start a thread "advice on used BMW" or something like that. The model and transmission need to be listed for advice to be other than general.
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Old 07-28-2013, 09:40 PM   #1320
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Mango, Stinger9, I started a thread "Can this oil filter housing be fixed". I have a couple of pics of the damage to the housing. Your input would be greatly appreciated.
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