3.45 Final Drive Differential Upgrade Kit (M3 V8 DCT)
3.45 Final Drive Differential Upgrade Kit (M3 V8 DCT)
3.45 Final Drive Differential Upgrade Kit (M3 V8 DCT)
3.45 Final Drive Differential Upgrade Kit (M3 V8 DCT)
3.45 Final Drive Differential Upgrade Kit (M3 V8 DCT)
3.45 Final Drive Differential Upgrade Kit (M3 V8 DCT)
3.45 Final Drive Differential Upgrade Kit (M3 V8 DCT)
3.45 Final Drive Differential Upgrade Kit (M3 V8 DCT)
3.45 Final Drive Differential Upgrade Kit (M3 V8 DCT)
3.45 Final Drive Differential Upgrade Kit (M3 V8 DCT)
3.45 Final Drive Differential Upgrade Kit (M3 V8 DCT)
3.45 Final Drive Differential Upgrade Kit (M3 V8 DCT)
3.45 Final Drive Differential Upgrade Kit (M3 V8 DCT)
3.45 Final Drive Differential Upgrade Kit (M3 V8 DCT)
3.45 Final Drive Differential Upgrade Kit (M3 V8 DCT)
3.45 Final Drive Differential Upgrade Kit (M3 V8 DCT)
3.45 Final Drive Differential Upgrade Kit (M3 V8 DCT)
3.45 Final Drive Differential Upgrade Kit (M3 V8 DCT)
3.45 Final Drive Differential Upgrade Kit (M3 V8 DCT)
3.45 Final Drive Differential Upgrade Kit (M3 V8 DCT)
3.45 Final Drive Differential Upgrade Kit (M3 V8 DCT)
3.45 Final Drive Differential Upgrade Kit (M3 V8 DCT)
3.45 Final Drive Differential Upgrade Kit (M3 V8 DCT)
3.45 Final Drive Differential Upgrade Kit (M3 V8 DCT)
3.45 Final Drive Differential Upgrade Kit (M3 V8 DCT)
3.45 Final Drive Differential Upgrade Kit (M3 V8 DCT)
3.45 Final Drive Differential Upgrade Kit (M3 V8 DCT)
3.45 Final Drive Differential Upgrade Kit (M3 V8 DCT)
3.45 Final Drive Differential Upgrade Kit (M3 V8 DCT)
3.45 Final Drive Differential Upgrade Kit (M3 V8 DCT)
3.45 Final Drive Differential Upgrade Kit (M3 V8 DCT)
3.45 Final Drive Differential Upgrade Kit (M3 V8 DCT)
3.45 Final Drive Differential Upgrade Kit (M3 V8 DCT)
3.45 Final Drive Differential Upgrade Kit (M3 V8 DCT)
3.45 Final Drive Differential Upgrade Kit (M3 V8 DCT)
3.45 Final Drive Differential Upgrade Kit (M3 V8 DCT)
3.45 Final Drive Differential Upgrade Kit (M3 V8 DCT)
3.45 Final Drive Differential Upgrade Kit (M3 V8 DCT)
3.45 Final Drive Differential Upgrade Kit (M3 V8 DCT)
3.45 Final Drive Differential Upgrade Kit (M3 V8 DCT)
3.45 Final Drive Differential Upgrade Kit (M3 V8 DCT)
3.45 Final Drive Differential Upgrade Kit (M3 V8 DCT)
3.45 Final Drive Differential Upgrade Kit (M3 V8 DCT)
3.45 Final Drive Differential Upgrade Kit (M3 V8 DCT)
3.45 Final Drive Differential Upgrade Kit (M3 V8 DCT)
3.45 Final Drive Differential Upgrade Kit (M3 V8 DCT)
3.45 Final Drive Differential Upgrade Kit (M3 V8 DCT)
3.45 Final Drive Differential Upgrade Kit (M3 V8 DCT)
3.45 Final Drive Differential Upgrade Kit (M3 V8 DCT)
3.45 Final Drive Differential Upgrade Kit (M3 V8 DCT)
3.45 Final Drive Differential Upgrade Kit (M3 V8 DCT)
3.45 Final Drive Differential Upgrade Kit (M3 V8 DCT)
3.45 Final Drive Differential Upgrade Kit (M3 V8 DCT)
3.45 Final Drive Differential Upgrade Kit (M3 V8 DCT)
3.45 Final Drive Differential Upgrade Kit (M3 V8 DCT)
3.45 Final Drive Differential Upgrade Kit (M3 V8 DCT)
3.45 Final Drive Differential Upgrade Kit (M3 V8 DCT)
3.45 Final Drive Differential Upgrade Kit (M3 V8 DCT)
3.45 Final Drive Differential Upgrade Kit (M3 V8 DCT)
3.45 Final Drive Differential Upgrade Kit (M3 V8 DCT)
3.45 Final Drive Differential Upgrade Kit (M3 V8 DCT)
3.45 Final Drive Differential Upgrade Kit (M3 V8 DCT)
3.45 Final Drive Differential Upgrade Kit (M3 V8 DCT)
3.45 Final Drive Differential Upgrade Kit (M3 V8 DCT)
3.45 Final Drive Differential Upgrade Kit (M3 V8 DCT)
3.45 Final Drive Differential Upgrade Kit (M3 V8 DCT)
3.45 Final Drive Differential Upgrade Kit (M3 V8 DCT)
3.45 Final Drive Differential Upgrade Kit (M3 V8 DCT)
3.45 Final Drive Differential Upgrade Kit (M3 V8 DCT)
3.45 Final Drive Differential Upgrade Kit (M3 V8 DCT)
3.45 Final Drive Differential Upgrade Kit (M3 V8 DCT)
3.45 Final Drive Differential Upgrade Kit (M3 V8 DCT)
3.45 Final Drive Differential Upgrade Kit (M3 V8 DCT)
3.45 Final Drive Differential Upgrade Kit (M3 V8 DCT)
3.45 Final Drive Differential Upgrade Kit (M3 V8 DCT)
3.45 Final Drive Differential Upgrade Kit (M3 V8 DCT)
3.45 Final Drive Differential Upgrade Kit (M3 V8 DCT)
3.45 Final Drive Differential Upgrade Kit (M3 V8 DCT)

3.45 Final Drive Differential Upgrade Kit (M3 V8 DCT)

Specifications: 

  • Sport upgrade ideal for street driven E9x M3 DCT: 
    • Increase torque to the wheels by +/- 9%
    • No tuning required to retain DCT downshift program. 
    • Top gear RPM at 70 mph: 3,100 RPM (+300 RPM over original)
    • Top speed in 7th gear: 191 mph / 307 kph (-18mph / 29 kph less than original based on 8,400 rev limit)
  • Complete kit includes
    • Genuine BMW 210mm 3.45 M12 gear and pinion.
      • Used, good condition. 
      • M12 ARP bolts and sleeve kit. 
    • Genuine BMW seals, gaskets and o-rings. 
    • Genuine BMW crush sleeve and washer. 
    • OEM quality tapered roller and ball bearings. 
    • Shims kit (0.1mm increments from 1 to 2mm)
  • Note: not all products in the kit are pictured.
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Installation Notes

Professional installation is highly recommended on all final drive and pinion kits.

highly recommended hardware
Chassis specific differential refresh kits.

After upgrading final drive gears and pinions in my M cars, I have compiled the required hardware to refresh your original BMW M-Variable.

The refresh kits are the same no matter which gear ratio you choose, and which transmission you run.

Chassis specific kits.

Differential Refresh Kit (E9x M3)
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Differential Refresh Kit (E46 M3)
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Differential Refresh Kit (E6x M5/6)
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Differential Refresh Kit (E36 M3 Euro)
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Need help? Been there, done that.