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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 01-15-2013, 04:35 PM
colink colink is offline
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Location: Oklahoma
 
Join Date: Nov 2012
Posts: 95
Mein Auto: 2004 645Ci Convertible
High RPM

6th gear. 2850 RPM. 75 MPH

Manual gearbox, 2004 645Ci convertible.

Does this seem like high RPM to other owners of manual cars?

Or has a previous owner fitted a modified differential?
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  #2  
Old 01-16-2013, 07:37 AM
Patton63 Patton63 is offline
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Location: Northern Virginia
 
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Mein Auto: '08 BMW 650i 'vert
That is similar to mine (650i). I find that mine runs at higher RPMs than I would have expected at cruising speeds, which I simply assumed was normal for this car.
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Old 01-17-2013, 12:56 AM
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645/333 645/333 is offline
Michael
Location: uk
 
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Mein Auto: BMW 640i SE Convertible
others can speak for the manual, but on the auto it is much lower close to >2k give or take
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Last edited by 645/333; 01-17-2013 at 12:57 AM.
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Old 01-17-2013, 12:15 PM
Patton63 Patton63 is offline
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Mein Auto: '08 BMW 650i 'vert
I've been struck by how high the RPMs are with the manual at a given speed. Not sure what it would be different than the automatic, but it clearly seems to be.
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  #5  
Old 06-27-2017, 08:14 AM
John Davis John Davis is offline
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Location: Long Beach, California
 
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Mein Auto: 2004 BMW 330ci
This is the only thread I've found on this topic, so I'll resurrect it.

I have a 650i automatic and I was enjoying it in steptronic the other night, cruising in 5 in the low 3000s. If I accelerated, it would jump up a few hundred rpm.

Is there any problem (aside from fuel usage) in cruising above 3000? How about above 4000? Not that I would do that very often, but I wonder what these engines can tolerate. My E46 is a high revving engine by design, but I notice that my 650i routinely runs at lower rpm than the E46.
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2004 330ci w/ sport package, 6 spd manual

Modifications: 3.46 differential, Pedalbox throttle signal amplifier, Active Autowerke performance software, Bilstein HDs, B&M short shifter, Zhp shift knob

2006 650i convertible in stratus gray
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Old 06-27-2017, 02:36 PM
HerbP HerbP is offline
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Mein Auto: 2005 645Ci & 2007 750Li
The power band in our cars is usually above 3k RPM's. The higher the RPM's, the stronger it pulls. If you are going to drive at this RPM, make sure you keep fresh oil in the engine.

Drive it like you stole it!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
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Old 06-27-2017, 09:01 PM
John Davis John Davis is offline
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Location: Long Beach, California
 
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Mein Auto: 2004 BMW 330ci
Quote:
Originally Posted by HerbP View Post
The power band in our cars is usually above 3k RPM's. The higher the RPM's, the stronger it pulls. If you are going to drive at this RPM, make sure you keep fresh oil in the engine.

Drive it like you stole it!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
Okay, I will! And that makes sense; cars are engineered to operate in their power band, and I've now googled graphs of the 650i torque curve to see it.
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2004 330ci w/ sport package, 6 spd manual

Modifications: 3.46 differential, Pedalbox throttle signal amplifier, Active Autowerke performance software, Bilstein HDs, B&M short shifter, Zhp shift knob

2006 650i convertible in stratus gray
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