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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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  #1  
Old 10-04-2013, 10:26 PM
jjnmeg jjnmeg is offline
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Location: Colorado Springs
 
Join Date: Jan 2011
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Mein Auto: 2000 540i/6
M6 Rear Diff in 540i?

Anyone know if a rear differential from an M6 will fit an e39 540i? I have been looking to upgrade to the e39 M5 LSD but haven't found one yet but a buddy has one off an M6.
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  #2  
Old 10-05-2013, 03:32 PM
Bandem Bandem is offline
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Mein Auto: BMW
Not sure about the M6 Diff. However you can get a 3.15:1 from a 540i automatic. Same ratio differential, its just not an LSD.
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Old 10-05-2013, 09:55 PM
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Dking078 Dking078 is online now
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Location: Los Angeles, CA
 
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Mein Auto: 2003 BMW 540i
You might want to check that on M5 board, i think it's either a diff cover swap or custom mounting brackets.
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Old 10-13-2013, 07:44 AM
jjnmeg jjnmeg is offline
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Location: Colorado Springs
 
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Mein Auto: 2000 540i/6
M6 Rear Diff in 540i?

Is the 540 3.15 diff a direct replacement for the 2.81 found on the 6 speeds?


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  #5  
Old 10-13-2013, 03:51 PM
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abanjableu abanjableu is offline
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Mein Auto: 02 540/74 911/01 Z3(hers)
It won't work because the mounting points are wrong. I almost made that mistake myself! e39 m5 or wavetrac is about it.
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