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6 Series
The BMW 6 Series builds on BMW's sporty heritage with aggressive lines and an incredible motor to back the design up. Available in coupe and convertible trims with a standard 4.8 liter engine producing 360 horsepower and 360 lb-ft of torque, the 6-series is a popular choice that exceeds expectations.

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  #26  
Old 03-16-2013, 10:50 PM
Dynamicfigure Dynamicfigure is offline
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Location: WA
 
Join Date: Sep 2010
Posts: 83
Mein Auto: 2005 - 645 Coupe
Knocking

This problem honestly made me second guess everything. The BMW regional mechanic even came in, looked at the car and said it was "normal." I can say after driving the car for another 40K miles that the sound is still there - not much worse, not better in any way at all and the engine still seems sound. I get the occasional increased emissions warning that everyone seems to get (ethanol free gas seems to usually cure it), and have had a couple small things done, but the knocking sound is obvious as ever w/no adverse effect (that I can tell) yet to the engine...
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  #27  
Old 03-18-2013, 10:12 AM
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petriej petriej is offline
Cruising 280 Top Down
Location: San Jose, CA
 
Join Date: Jul 2010
Posts: 4,917
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Mein Auto: '99 M3 Cab & '05 X5 4.8is
Wow old thread! Check your spark plugs.
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So in other words **** you haha. Batmobeamer $
2005 X5 4.8is Le Mans/Black/6spd Steptragic
1999 M3 Cabrio TiAg Metallic/Dove Grey/Black 5 Speed Manual
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2004 645Ci Mineral Silver Metallic/Black 6 Speed Manual RIP 04/2011
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