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E63 / E64 6 Series (2004 - 2010)
The E63/E64 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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  #1  
Old 02-04-2016, 02:39 PM
Bmw630 Bmw630 is offline
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Location: Worcester
 
Join Date: Feb 2016
Posts: 1
Mein Auto: 630i
630i smoke

Can any one help I have a 2006 630i that when I accelerate hard to overtake and the engine revs are high I get a load of white smoke out the exhaust and the engine management light comes on and it runs rough but if you turn the ignition of and back on it runs fine I have took it took a garage and had the diagnostics checked that and came back with the fault codes saying misfire on cylinder4 and cylinder 5 garage recon it could be the coil packs any suggestions
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Old 02-10-2016, 06:21 PM
mgfranz mgfranz is offline
"You chose wisely..."
Location: Temecula, CA
 
Join Date: Feb 2014
Posts: 157
Mein Auto: E64, Porsche Boxster
Take a look at the oil separator, if its bad it will push oil into the intake. http://www.realoem.com/bmw/enUS/show...diagId=11_3738. Also, it's easy to swap coils around, if the fault codes move then you have bad coils. But if the AOS is bad, it's very possible you have fouled plugs. Misfire codes are often just bad plugs, but there could be a number of reasons why they are fouling, bad VCG?
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