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E60 (2004 - 2010)
BMW 5-Series (E60 chassis) was first seen in the Unites States in the fall of 2003 with a 2004 Model Year designation. The E60 is now available as a 528i, 528xi, 535i, 535xi, 550i and a 535xi sports wagon! -- View the E60 Wiki

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  #1  
Old 02-01-2013, 10:12 AM
patrick_y patrick_y is offline
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Location: Silicon Valley, CA
 
Join Date: Dec 2012
Posts: 180
Mein Auto: 2004 BMW 545iA
How many hours for an alternator replacement?

Having the alternator replaced on a 2004 BMW 545i with extremely low mileage. A little surprised that the car would need a replacement alternator so soon in its mileage life.

How many hours does it normally take for an alternator replacement on a 2004 BMW 545i? I understand the alternator is hard to get to, what has to be removed so the technician can get to the alternator? I don't imagine it requires removing the bumper and radiator or anything like that.

Thanks in advance!
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  #2  
Old 02-01-2013, 10:35 AM
bimmerfan52 bimmerfan52 is offline
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Location: Arizona
 
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Mein Auto: 545i
Quote:
Originally Posted by patrick_y View Post
Having the alternator replaced on a 2004 BMW 545i with extremely low mileage. A little surprised that the car would need a replacement alternator so soon in its mileage life.

How many hours does it normally take for an alternator replacement on a 2004 BMW 545i? I understand the alternator is hard to get to, what has to be removed so the technician can get to the alternator? I don't imagine it requires removing the bumper and radiator or anything like that.

Thanks in advance!
For a professional no more than three hours. For wizards who work non-stop it could be closer to an hour actual time.

It is not that bad a DIY.

Items that need to be removed - The air intake duct and filter housing, the electric fan cowl and the electric fan and serpentine belt.

If you are doing it yourself and your serpentine belt is original definitely replace it.

My car had 85K miles with the original water pump so I expanded the project to the water pump, thermostat and both belts.
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  #3  
Old 02-06-2013, 10:43 AM
Rahulk Rahulk is offline
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Mein Auto: E53 N62; E90 N52
I changed mine x5 n62, in about 2 hrs... Remove air box, electric fan, unbolt steering pump and push aside, remove alternator bolts, turn sideways remove the 2 connections, remove alternator... Reinstall in reverse... Really, all you need to change is the voltage regulator, about $80... The Valeo alternator is awesome... 180 or 185 amps, I forgot... The book time is like 5 hrs, the oem bmw alternator is $500, www*****autoparts.com has the alternator (valeo) for $300 or less with a coupon code (bap1525) make sure you get the specific alternator, air vs water cooled....
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  #4  
Old 02-06-2013, 10:45 AM
Rahulk Rahulk is offline
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**** = buy
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  #5  
Old 02-06-2013, 10:49 AM
patrick_y patrick_y is offline
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Location: Silicon Valley, CA
 
Join Date: Dec 2012
Posts: 180
Mein Auto: 2004 BMW 545iA
Quote:
Originally Posted by Rahulk View Post
I changed mine x5 n62, in about 2 hrs... Remove air box, electric fan, unbolt steering pump and push aside, remove alternator bolts, turn sideways remove the 2 connections, remove alternator... Reinstall in reverse... Really, all you need to change is the voltage regulator, about $80... The Valeo alternator is awesome... 180 or 185 amps, I forgot... The book time is like 5 hrs, the oem bmw alternator is $500, www*****autoparts.com has the alternator (valeo) for $300 or less with a coupon code (bap1525) make sure you get the specific alternator, air vs water cooled....
Many thanks! Ended up having the dealer do it. Now I'm just trying to get a feel for how much time they would've spent on it. Your reply is much appreciated.
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