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Old 02-18-2010, 10:58 PM   #5
John in VA
Registered User
 
Join Date: Oct 2007
Location: Leesburg, VA
Posts: 591
My Ride: '00 Farngrün 328i
The top tool you have pictured has the notch to clear the shaft and the holes/slots to fit over a pair of the bolt heads so the pulley doesn't turn, allowing you to turn the 32mm nut on the fan clutch. The same thing can be achieved with a long screwdriver shaft, but not as elegantly!
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John in VA
'03 530i
'00 328i
'86 535i
'85 535i
'85 325e - RIP
'74 2002tii
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