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| E36 General discussion and technical help for (E36) 1992-1999 3 series cars. 318, 323, 325, 328. |
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11-06-2006, 10:18 AM
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#1 |
Purchase NEw Differential
Ok so im also looking into purchasing a New Diff ok well i just got under the car and looked to see that is was a 3.91 ? is there a upgraded version of this? or a better ratio for the e36 auto?
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Last edited by defkon99; 11-06-2006 at 10:48 AM.. |
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11-06-2006, 07:11 PM
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I'm assuming you want a higher rear end ratio for quicker acceleration. I think you'll have to go custom since a 3.9 gear was the highest used for E36 cars. Manual transmissions were available with a 2.93 (328i) 3.15 (325i) 3.23-3.43 (M3)..........etc. These are all lower and would make your car a dog off the line.
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11-06-2006, 07:32 PM
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see if you can find a 4.1 |
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11-06-2006, 07:35 PM
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so the lower the number the faster the accelleration?, 4.1 would be best ?>
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Last edited by defkon99; 11-06-2006 at 07:45 PM.. |
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11-06-2006, 08:04 PM
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The higher the number (3.9+) the faster the acceleration. Lower numbers (2.93-3.15) will lower your rpms at speed and give you a higher top end mph.
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11-06-2006, 08:19 PM
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yea i was just lookin on diffsonline and man they want a grip for a custom setup.
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11-06-2006, 10:31 PM
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ok people here it is ! Optional Differential Gear Ratios Korman recommended optional gear change ratios for increased acceleration and acceptable RPM per mile: Model (E36) Stock Gear Ratio Recommended Ratio 318iS, Ti Manual Transmission 3.45 3.90 318iS, Ti, Automatic Trans 4.44 4.75 325 Manual Transmission 3.15 3.46 328 Manual Transmission 2.93 3.46 325/328 Automatic Transmission 3.91 4.27 M3 3.0 3.15 3.46 M3 3.2 , Auto and Lightweight 3.23 3.46
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11-06-2006, 10:50 PM
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How much is it?
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11-07-2006, 08:22 AM
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jeez im not sure but im sure its a pretty penny.
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11-13-2006, 09:31 PM
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i dont think there is any point to getting a new diff with the auto. if you did a 5spd swap you would have crazy accelleration with the 3.91  |
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11-14-2006, 06:44 PM
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yea i kinda figured that after these last couple of days of lookin up info etc.. , damn i hate myself for not buying a manual. 
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11-14-2006, 11:23 PM
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#12 |
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TMS sells LSDs for around $2000 |
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11-15-2006, 03:00 PM
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#13 |
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Metrix Racign and Metrix motorsport.
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 Eric BMW - Variable Vane Turbocharged |
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