E55 Performance Upgrade - Mercedes-Benz Forum

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post #1 of 1 (permalink) Old 03-14-2009, 10:26 AM Thread Starter
BenzWorld Junior Member
Date registered: Aug 2008
Vehicle: 2003 W211 E55
Location: Richmond VA area
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E55 Performance Upgrade

I purchased a used 2003 E55 in November of 07. How can I determine if there has been an upgrade to ECU or compressor pulley? Don't know what a stock pulley looks like!

td sands is offline  
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