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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 01-21-2020, 09:08 PM
Rslocombe Rslocombe is offline
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Clunking noise over bumps and down ramps

My 2010 convertible 650i E64 is making some noises as I turn and go up and down slopes at low speed. Highway driving is fine. Tire wear looks normal and I can't see any play in the suspension. I had a look and there are a LOT of bushings back there! Any suggestions where to start? I also read something about retorquing - what does that mean?
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Old 01-22-2020, 07:34 PM
HerbP HerbP is offline
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Mein Auto: 05 645Ci, 14 750 M-Sport
I would inspect the bar that runs across the engine, that is V shaped, the bolts get loose over time. I would also inspect the lower control arm bushings for any missing rubber at the joints. The rubber will crack & allow the arm to move, leaving missing chunks of rubber gone. You can also push & pull on the arms while doing this for movement. Re-torquing a bolt is simply checking it for the proper amount of torque. If you do not have a torque wrench, Harbor freight sells them for around 15.00 each. I have a 1/4", 3/8", & a 1/2" torque wrench depending on which works best for the job I am working on. A 3/8" torque wrench will do most small to medium jobs.
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