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    RPM in 6th gear at 80 mph?

    Hi All,

    This is my first post to these boards as I just bought a 2002 M5 a couple weeks ago. So far I love the car.

    So my question to owners of the E39 M5 is what RPM does your engine run at in 6th gear at 80 mph? Mine is doing 2700 rpm. Does this sound high?

    I also own a '99 540i sport, and at 80mph in 6th gear, it runs in the low 2000's.

    TIA,
    -neal

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    Re: RPM in 6th gear at 80 mph?

    I also have both of these cars, same years. What colors do you have? The 540i has a 2.81:1 differential gear ratio whereas the M5 has a 3.15:1. This 12.5% difference translates into less speed for any given rpm and gear. It also means more getup and go for the M5. I do sort of miss the older gearing, which felt more like autobahn gearing.


    Panos

    2002 M5 Carbon Black/Caramel Extended Leather
    NAV, PDC, DSP, Dinan Strut Tower Brace, Valentine One, K40 Laser Diffuser, Bluetooth Telephone, Debadged.

    1999 540i.6 Biarritz Blue/Sand-Beige
    M5 Front Bumper, Clear Corner Xenon Angel Eyes, Clear CELIS Tail Lights, Clear Side Blinker, M5 Grills, 18" Staggered M-Parrallel Style 37 Wheels with Dunlop SP Sport Maxx Tires, 17" Staggered Radial Spoke Style 32 Wheels with Michelin Alpin Sport Tires, M5 Rear Stabilizer Bar, Rogue Transmission Mounts, Rogue Short Shifter & Wieghted, Selector Rod, CDV Deleted, Stop Tech Stainless Steel Lines, Custom Brake Air Ducts, Dinan Engine Software, Evosport Underdrive Pulleys, Hamann Sport Muffler, Valentine One Radar/Laser Detector, Stealth One Interface, Debadged.


    Retired: 1997 540iA, 1994 540iA

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    Re: RPM in 6th gear at 80 mph?

    Hi Panos,

    Thanks for the reply. They are both silver. I actually bought the M5 to replace the 540. I recently sold the 540.

    Pics of both:
    2002 M5
    1999 540

    There are more pics of the 540 since I was using them to sell.

    -neal

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