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E36/7 Z3 (1996-2002)
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  #1  
Old 12-26-2019, 02:17 PM
Z3 slead Z3 slead is offline
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Location: Emmett, Idaho
 
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Mein Auto: '02 Z3, '05 Jeep Wrangler
Trans Question

First off, hope all the members and family had a swell Christmas, and got all kinds of goodies for their Bimmer. That said, have a question: vehicle is 2002 BMW Z3 3.0L with the 5 speed ZF manual transmission. Checked with the Bentley manual in that section, on the ZF trans, is 5th gear a true gear, or more of an overdrive?? Reason being once I'm in 5th gear, it's slow in accelerating to a faster speed. Bentley manual did not specify to that particular subject, nor could I find it in the owners manual. Hope this is not a dumb question, and TIA.
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  #2  
Old 12-26-2019, 03:43 PM
khammack khammack is online now
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Location: Denver, Colorado
 
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Mein Auto: 2002 M Roadster/2014 435i
I believe 5th is 1 to 1 in all of our roadsters and coupes.

What RPMs are you in when you put it in 5th? Our cars like the RPMs. I usually don't use 5th until I'm over 55 mph or so.
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2014 435i M-Sport, Mineral Gray, Black Dakota Leather, Driver Assistance Pkg, Prem Pkg, Tech Pkg, 8 Speed Sport AT, Heated Front Seats, Active Cruise Control, BMW MPPK w/MPE, BMW Limited Slip Diff, BBS CH Wheels.

2002 M Roadster, Steel Gray Metailic, Gray Nappa Leather, Black Soft Top, Steel Gray Metailic Hard Top, TC Kline Double Adj Shocks with H&R Springs, Stromung Exhaust, SSR Type C Wheels.
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  #3  
Old 12-26-2019, 11:43 PM
ZEEBOY ZEEBOY is offline
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Location: SW Ohio
 
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Mein Auto: 1997 Z3 Roadster 2.8
5th gear is 1 to 1.....they achieve some semblance of overdrive by making the rear axel ratio relatively low numerically at @ 3.25.
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  #4  
Old 12-29-2019, 12:15 PM
Z3 slead Z3 slead is offline
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Location: Emmett, Idaho
 
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Mein Auto: '02 Z3, '05 Jeep Wrangler
khammack and zeeboy, thanks for the replies. On the 5th gear being 1 to 1, does it matter if the differential is limited slip or not?
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  #5  
Old 12-29-2019, 03:38 PM
khammack khammack is online now
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Location: Denver, Colorado
 
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Mein Auto: 2002 M Roadster/2014 435i
Quote:
Originally Posted by Z3 slead View Post
khammack and zeeboy, thanks for the replies. On the 5th gear being 1 to 1, does it matter if the differential is limited slip or not?
No, but your RPMs do matter.
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2014 435i M-Sport, Mineral Gray, Black Dakota Leather, Driver Assistance Pkg, Prem Pkg, Tech Pkg, 8 Speed Sport AT, Heated Front Seats, Active Cruise Control, BMW MPPK w/MPE, BMW Limited Slip Diff, BBS CH Wheels.

2002 M Roadster, Steel Gray Metailic, Gray Nappa Leather, Black Soft Top, Steel Gray Metailic Hard Top, TC Kline Double Adj Shocks with H&R Springs, Stromung Exhaust, SSR Type C Wheels.
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  #6  
Old 12-30-2019, 05:53 PM
Z3 slead Z3 slead is offline
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Location: Emmett, Idaho
 
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Mein Auto: '02 Z3, '05 Jeep Wrangler
Thanks for the input from members. I do not drive the car hard i.e. autocross, or drifting, racing, etc. but once in awhile, feel the need for speed.
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