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E39 (1997 - 2003)
The BMW 5-Series (E39 chassis) was introduced in the United States as a 1997 model year car and lasted until the 2004 when the E60 chassis was released. The United States saw several variations including the 525i, 528i, 530i and 540i. -- View the E39 Wiki

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Old 07-13-2014, 12:43 AM
McTwist McTwist is offline
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Location: Los Angeles
Join Date: Dec 2013
Posts: 1
Mein Auto: 2001 BMW 540i
Radiator Fan Clutch Removal DIY (the easy way)

Hello to all, thought I would share what I have discovered to be the fastest and easiest way to remove a stubborn radiator fan without the possibility of damaging you or your vehicle.

I tried everything for 2 days and couldn't get it to budge. This took me 2 minutes and it was off!

Tools required: Jack from your E39, a thin 32mm (I used one from "Park Tools", made for bicycles).
BMW Fan Clutch Wrench Water Pump Hub Holder Tool (KTC auto tools, found it on ebay for 19.99)

Place the Fan Clutch Wrench on the pulley bolts. Place the 32mm wrench on the Fan Clutch Nut.
Hold them in place and open your jack in between the two tools. The white plastic looking part of the jack was on the fan clutch wrench, the bottom of the jack was in between the other side of the opening for the nut on the wrench. (please refer to pictures). Turn the jack to open it and it will come right off.
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Old 07-13-2014, 02:47 AM
Nfs021 Nfs021 is offline
What Speed Limit?
Location: Oregon, USA
Join Date: Nov 2012
Posts: 329
Mein Auto: 2002 540i
Ahh very Macgyver'ish lol. When I replaced mine I just did the "hammer time" approach with the 32mm wrench and a small mallet. Really wasn't that smart saying the wrench flew up and hit the hood. Luckily no harm so all was well...and I still loosened up the nut lol.

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Old 07-13-2014, 10:50 AM
bluebee's Avatar
bluebee bluebee is offline
Seek to understand,^Value
Location: San Jose, California
Join Date: Mar 2008
Posts: 21,274
Mein Auto: 02 BMW 525i M54 auto 130K
This thread is a good cross reference to the canonical fan clutch wrench counterhold tool thread, found by typing /tool f3 in the bestinks:
- How to make your own BMW special cooling & belt drive system counterhold tools (1)
Each repair should invariably add to our knowledge base by the process of inexorable incrementalism.
Your job, in return, is to read the suggested threads, where the best people will always add value to those threads, either by pictures or by descriptions, so the next person with the same problem stands on your shoulders.
See also: E39 Bestlinks & How to easily find what you need
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