3.45 Final Drive Differential Upgrade Kit
(M3 V8 DCT)

Swipe right for info. Scroll down to order.

Increase torque to the wheels by +/- 9%.

The increased teeth count has a direct impact on torque multiplication.

Complete kit.

The highest quality components are used.

Adjustment shims are included.

Required for gear adjustments, the kit includes 10 shims from 1 to 2mm.

New hardware is included.

Specifically selected for the BMW's 3.45 gears.
Get your kit.
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.
Register a free account or login to view prices and order
/
Shipping calculated at checkout.

Installation Notes

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

COMPLETE KIT
Chassis and gear 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 LSD and upgrade its final drive.

This kit is specifically for the M3 V8 DCT transmission and rear differential casing pairing.

Need help? Been there, done that.

Explore my M3 V8 Drivetrain program

S65 DCT Lightweight Flywheel
Register a free account or login to view prices and order
S65/S85 Manual OE+ Lightweight Flywheel Kit (M3 V8 & M5/6 V10)
Register a free account or login to view prices and order
S65/S85 6spd Clubsport Flywheel & Clutch Kit
Register a free account or login to view prices and order
3.45 Final Drive Differential Upgrade Kit (M3 V8 DCT)
Register a free account or login to view prices and order
3.62 Final Drive Differential Upgrade Kit (M3 V8 DCT)
Register a free account or login to view prices and order
V2 Carbon Fiber Driveshaft Kit (M3 V8)
Register a free account or login to view prices and order
OE Replacement Manual Clutch Kit (M3 V8/M5 V10)
Register a free account or login to view prices and order
OE Uprated Manual Clutch Kit (M3 V8/M5 V10)
Register a free account or login to view prices and order
GTS Motorsport DCT Oil Pan Kits
Register a free account or login to view prices and order
Complementary Install Kit for GTS DCT Pans
Register a free account or login to view prices and order
Sale
DCT Replacement Clutch Kit
Register a free account or login to view prices and order Register a free account or login to view prices and order
Differential Refresh Kit (E9x M3)
Register a free account or login to view prices and order
4.10 BMW Motorsport Final Drive Gear & Pinion
Register a free account or login to view prices and order
DCT Complete Bulletproofing Kit
Register a free account or login to view prices and order
DCT Clutch Service Tool
Register a free account or login to view prices and order