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Go Back   Bimmerfest - BMW Forums > BMW Model Discussions > 5 Series > E39 (1997 - 2003)

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 01-13-2013, 05:06 PM
Punisher9113 Punisher9113 is online now
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Location: Fountain Valley
 
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Mein Auto: 2003 BMW 525i M54 Manual
5spd vs. 6spd

Hello I am new here I have a 2003 525i with 299.000 miles and would like to know should I replace my tranny with a standard 5spd or swap for M5 6spd.

Let me know what you guys think.

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  #2  
Old 01-13-2013, 05:30 PM
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AnotherGeezer AnotherGeezer is offline
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Mein Auto: 2003 530i/5
Stay with the stock box. Not worth the excessive costs to upgrade.
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Old 01-13-2013, 06:35 PM
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Fudman Fudman is offline
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Mein Auto: '02 530i Sport auto
+1, Stick with what has been done before. There are probably computer related changes you would need to make to change over to the 6 speed.
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Old 01-13-2013, 06:41 PM
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Topaz540i Topaz540i is offline
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Mein Auto: 2001 540i/6
can you put a 6 speed on a 6 cyl?
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  #5  
Old 01-13-2013, 07:05 PM
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Quote:
Originally Posted by Topaz540i View Post
can you put a 6 speed on a 6 cyl?
BMW did just that in 2004. They stuck one behind an M54B30 530i but probably had to modify the driveshaft to accommodate the different length transmission.

The E60 box would probably fit the 525i too, but not without driveshaft modifications.

Also, the 525's came with a Getrag not a ZF, which many say shifts more crisply than a ZF.
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