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Go Back   E46Fanatics > Tuning & Tech > DIY: Do It Yourself

DIY: Do It Yourself
Post here to share or improve your wrench turning skills! All BMW E46 DIY tips, tales, and projects discussed inside. Learn to work on your car and know the right BMW parts you will need!

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Old 06-04-2010, 11:20 PM   #61
zorin
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you don't have to remove the fan clutch to do the belts - belt goes over the blades and rests on water pump pulley.
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Old 06-23-2010, 08:18 PM   #62
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+! thank you delmarco just did my fan clutch using your DIY. (had laptop by car lol) only tip i have is on retightening, instead of tightening futilly with the wrench, you can actually spin the fan gently by hand once the thread has caught and use the viscosity of the fan clutch to tighten back up, then finish with a wrench ( i just let mine spin on ) ps to all e46 auto people: check your fan clutch!!. also the auto fan removal tool is amazing for this job. It is one of those things you should just have. The difficulty of auto compared to manual is drastically exaggerated by most forum members; all you need is the tool and it is very easy. Just get it.
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Old 06-24-2010, 12:10 AM   #63
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Originally Posted by zorin View Post
you don't have to remove the fan clutch to do the belts - belt goes over the blades and rests on water pump pulley.

whyy so stubborn haha. It is very easy to take out the fan and should be done. its like 15 min, lol.
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Old 07-01-2010, 07:46 PM   #64
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nice write up.

i was curious to know if anyone has done this with their m3

main drive tensioner
http://www.realoem.com/bmw/showparts...98&hg=11&fg=18

it seems that i have a hydraulic tensioner which does not have the hex for easier release. my question is what to expect when i loosen this torx. i imagine that once i start loosening it, the tension is suppose to loosen? i do not have to take the whole torx out correct?

many thanks
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Old 07-09-2010, 02:38 PM   #65
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Awesome DIY. Thank you!
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Old 07-09-2010, 03:22 PM   #66
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youre the man!

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Old 07-10-2010, 01:43 AM   #67
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Great visual write up. I changed out my tensioner last weekend following some of these tips. Although I used an $8 wrench from Northern Tools and long flat blade screwdriver to break loose the fan nut.
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Old 07-10-2010, 06:11 AM   #68
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Originally Posted by 330ciwp View Post
Great visual write up. I changed out my tensioner last weekend following some of these tips. Although I used an $8 wrench from Northern Tools and long flat blade screwdriver to break loose the fan nut.
Ditto, searched locally for the fan clutch tool, needed to change my alternator. Couldn't find the tool and got the northern tool wrench for 8 bucks.

I just banged the wrench against the threaded portion and it loosen up right away. It's a tight spot to work with the wrench, but it works.

Quick and easy diy for my alternator, will be doing all the belts, tensioner and idler pulley this weekend.

Thanks OP for the write up, saved me a few hundred bucks.
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Old 07-11-2010, 12:14 AM   #69
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Originally Posted by n2siast View Post
Ditto, searched locally for the fan clutch tool, needed to change my alternator. Couldn't find the tool and got the northern tool wrench for 8 bucks.

I just banged the wrench against the threaded portion and it loosen up right away. It's a tight spot to work with the wrench, but it works.
Exactly.

Like other people have said, this can be done without the $40 ebay wrenches. $8.29 32mm combination wrench from Northern Tools, and a long screwdriver. I've worked on a lot of different cars through the years, and always used the wrench/screwdriver method to remove fans or fan clutches without a problem. My only concern with this car was the "plastic" water pump pulley, and the possibility of cracking somehow. After smacking the wrench with a 3lbs hammer like I've seen on here, I gave up thinking I was going to end up breaking something. I removed the airbox so I could get to the lower bolts on the W/P pulley and wedged the screwdriver onto the head of bolts and pulled on the wrench with medium force to get a gauge of things. Pulled on it harder the next time and the nut broke loose.
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Old 07-12-2010, 05:19 PM   #70
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Thanks for the write up, I should be using it next weekend : )
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Old 07-12-2010, 10:32 PM   #71
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Delmarco who was the seller you bought the fan clutch tools from?
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Old 07-29-2010, 10:09 PM   #72
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great write up delmarco, now if i can only find somebody local to rent the fan tools from.
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Old 07-30-2010, 12:10 AM   #73
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Quote:
Originally Posted by KRANKDAT325ci View Post
Delmarco who was the seller you bought the fan clutch tools from?
It was some random guy I think.
Also look for the GM fan tools on eBay it is the same as the BMW fan tools and cheaper.
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Old 08-02-2010, 07:27 PM   #74
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32mm wrench code is 115040
pulley holder code is 115030

115040 Northern Tools 8.29 + 5.99 = 14.28
110303 El Paso Tools (ebay seller) 19.95 + 7.50 = 27.45
Total 41.73

If anyone can find me the tools for less, please post the link!
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Old 08-03-2010, 06:20 PM   #75
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Originally Posted by libmotors408 View Post
Sweet post. It shows you love your cars! Thanks for taking the time in doing such a great write up!

I can attest to forgetting about attempting to do this job without the 32mm wrench and pulley holder! Forget-a-bout-it!
Just did this job this weekend... Forgot about the special tool though and just fabricated my own.. (just a long skinny piece of scrap metal with 1 hole in it to hold the pulley by the screw). Didn't use any fancy 32mm wrench either, managed to get by with a large adjustable wrench (had to take remove air intake and a hose coming off the radiator to get my big wrench to fit though!).

anyway, good writeup, wish I saw this before I figured this stuff out on my own!

<- "special" tools!

Last edited by dbronnik; 08-03-2010 at 06:30 PM.
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Old 08-09-2010, 03:50 PM   #76
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wow, i just ordered the tools (32mm wrench & pulley holder) to do this DIY literally seconds ago and then logged on to facebook to see this on my newsfeed

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Old 08-11-2010, 07:56 AM   #77
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Awesome!

Your DYI is simply awesome!!!
I'll try this soon
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Old 08-12-2010, 09:31 AM   #78
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Old 08-25-2010, 08:57 PM   #79
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are the Conti belts OE? I just pulled my belts and the main belt (Conti) seems fine (i bought my car used so im not sure what the guy before me changed)
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Old 08-25-2010, 09:25 PM   #80
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are the Conti belts OE? I just pulled my belts and the main belt (Conti) seems fine (i bought my car used so im not sure what the guy before me changed)
OEM. Conti's are OEM.
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