2005 645ci Idle - Bimmerfest - BMW Forums

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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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Old 03-22-2010, 01:50 AM
Aidank Aidank is offline
Registered User
Location: Wilmslow Cheshire United Kingdom
Join Date: Nov 2009
Posts: 9
Mein Auto: 645ci +4.4 X5 +Mustang GT
2005 645ci Idle

Hi Guy's ,I have a 05 645 ci which has an none steady idle it seems to move 20rpm not a great deal even when in cruise.Now my garage says this is normal and not to worry .OK not worrying but annoying any idea's Fuel(run 95 octain in the UK) Plugs/coil/ maf sender? also on downshift to stop the rpm seen to rise a little which looks like you are doing racing change not a lot but still its not on my X5 again they say its normal?
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