Bimmerfest - BMW Forums - View Single Post - Z4 Roadster (E85) Does the M54 engine in the E46 and E85 need to mature?
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Old 10-20-2012, 09:59 AM
tonywintn tonywintn is offline
Drivin' the dream
Location: Tennessee
Join Date: Jun 2009
Posts: 187
Mein Auto: 2005 BMW X5 & 2007 Z4 si
I noticed the same thing too on my 2005 X5. I recall the dealer telling me when I bought the X5 that the engine would feel peppier at around 60k miles. I dismissed that at the time as an odd statement. He turned out to be right.

2007 3.0si w/Sport Pkg, Navi, Leather, Strut brace, garage door opener and delete airbag warnings on sun visors
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