2007 BMW 325xi Touring gear ratio calculator

With 2007 BMW 325xi Touring Gear Ratio Calculator you can see the theoretical top speeds in all gears. You can change tire dimensions to calculate the effect on top speed and gearing. It will help you to find the best gear ratios for your racing car and to understand when it is the best time to change a gear.

Maximum Power RPM: Revolutions per minute when reaching
the top of the power curve.
Width Profile Wheel diameter
Tire Diameter [mm]:  OR 
Numbers of teeth Gear Ratio
Final Drive Ratio:  x   OR 
1st Gear Ratio:  x   OR 
2nd Gear Ratio:  x   OR 
3rd Gear Ratio:  x   OR 
4th Gear Ratio:  x   OR 
5th Gear Ratio:  x   OR 
6th Gear Ratio:  x   OR 
Speed in:




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Gear shift Difference after shifting RPM after shifting
from 1st Gear to 2nd Gear 2940 3560
from 2nd Gear to 3rd Gear 2261 4239
from 3rd Gear to 4th Gear 1733 4767
from 4th Gear to 5th Gear 1182 5318
from 5th Gear to 6th Gear 1444 5056
kmh / RPM 1000 2000 3000 4000 5000 6000 6500
1st Gear 8.9 17.8 26.7 35.6 44.5 53.4 57.8
2nd Gear 16.2 32.5 48.7 65 81.2 97.5 105.6
3rd Gear 24.9 49.8 74.7 99.6 124.5 149.5 161.9
4th Gear 34 67.9 101.9 135.9 169.8 203.8 220.8
5th Gear 41.5 83 124.5 166.1 207.6 249.1 269.8
6th Gear 53.4 106.8 160.1 213.5 266.9 320.3 346.9

This calculator is completely based on mathematical formulas to be useful to you. Try the Transmission Gear Ratio Calculator now.