TTS - TCU Tuning (Diesel B Engines)

Stage 2/Stage 2 Plus Program

The Stage 2 map focuses more on sportiness without compromising comfort. Adjusted shift points and clutch pressure enable faster shifts and reduced response times, ideal for drivers seeking more driving enjoyment in Sport/Sport+ modes.

TTS Transmission Stage 2:

1. Activated gear display in D mode.
2. Removed internal torque limitations of the transmission.
3. Optimized shift logic in D mode for smoother and more comfortable shifts, with improved fuel efficiency in ECO mode.
4. Re-edited DEC logic to allow the transmission to reduce low-end torque, minimizing tire slip.
5. The transmission's overall response in Sport and Sport+ modes is more dynamic, featuring faster upshifts and more aggressive downshifts with throttle blipping, maintaining peak shift performance close to dual-clutch levels.
6. In M/Sport and M/Sport+ modes, automatic upshifting is disabled (without affecting comfort).
7. Automatic upshifting is disabled in manual mode (disabled in Comfort mode - DSC ON, DTC, DSC OFF; Sport mode - DSC ON; Sport+ mode - DTC).
8. Shift points and timing are adjusted for easier uphill driving (without affecting comfort).
9. Slightly increased maximum RPM.

TTS Transmission Stage 2 Plus:

10. Optimized for steady cruising above 60 km/h on the basis of Stage 2. Deliberately increased upshift RPM in gears 5, 6, and 7 to allow the turbo to engage more fully, reducing turbo lag during driving. Faster downshift rev-matching for more aggressive driving.

Stage 3/Stage 3 Plus/Stage 3 GearCustomize/Program

The Stage 3 map retains most features from Stages 1 and 2, offering faster and more responsive shift logic across all modes. It's perfect for drivers who enjoy driving fun in all modes, taking BMW's sporty characteristics to a whole new level.

TTS Transmission Stage 3:

1. Activated gear display in D mode.
2. Removed internal torque limitations of the transmission.
3. Re-edited DEC logic to allow the transmission to reduce low-end torque, minimizing tire slip.
4. The transmission's overall response in Sport and Sport+ modes is more dynamic, featuring faster upshifts and more aggressive downshifts with throttle blipping, maintaining peak shift performance close to dual-clutch levels.
5. Automatic upshifting is disabled in manual mode (disabled in Comfort mode - DSC ON, DTC, DSC OFF; Sport mode - DSC ON; Sport+ mode - DTC).
6. Shift points and timing are adjusted for easier uphill driving (without affecting comfort).
7. Slightly increased maximum RPM.
8. Faster and more responsive shifts in all modes.
9. Extremely fast and responsive shifts in Sport+ mode with immediate throttle response.
10. More pronounced downshifts in M/Sport mode.
11. Enhanced downshift speed for faster reactions.

TTS Transmission Stage 3 Plus:

12. The Stage 3Plus version enhances the gear in D mode shift logic for more comfort and makes in S mode shifts more aggressive.

TTS Transmission Stage 3 Gear Customized:

13. Gear customization for Stage 3 optimizes cruising at 60-100 km/h by deliberately increased upshift RPM in gears 5, 6, and 7 to allow the turbo to engage more fully, reducing turbo lag during driving. Faster downshift rev-matching for more aggressive driving.

Stage 4/Stage 4 Plus/Stage 4 Ignition Cut Program

The Stage 4 map retains all Stage 3 features while enhancing comfort for full-time sporty driving. It's ideal for BMW drivers who enjoy long-term driving pleasure in sport mode.

TTS Transmission Stage 4:

1. Activated gear display in D mode.
2. Removed internal torque limitations of the transmission.
3. Re-edited DEC logic to allow the transmission to reduce low-end torque, minimizing tire slip.
4. The transmission's overall response in Sport and Sport+ modes is more dynamic, featuring faster upshifts and more aggressive downshifts with throttle blipping, maintaining peak shift performance close to dual-clutch levels.
5. Automatic upshifting is disabled in manual mode (disabled in Comfort mode - DSC ON, DTC, DSC OFF; Sport mode - DSC ON; Sport+ mode - DTC).
6. Shift points and timing are adjusted for easier uphill driving (without affecting comfort).
7. Slightly increased maximum RPM.
8. Faster and more responsive shifts in all modes.
9. Extremely fast and responsive shifts in Sport+ mode with immediate throttle response.
10. More pronounced downshifts in M/Sport mode.
11. Enhanced downshift speed for faster reactions.
12. Increased comfort in sport mode shifting.
13. Traffic optimization function: The vehicle will stay in 2nd gear in traffic to avoid frequent shifts between 1st and 2nd gears.
14. S mode starts in 2nd gear for faster 0-100 km/h times.
15. Cruise control in Sport mode allows for 8th gear use, overriding the default setting that prevents the use of 8th gear in Sport mode.

TTS Transmission Stage 4 Plus:

16. Gear customization for Stage 4 Plus optimizes cruising at 60-100 km/h by deliberately increased upshift RPM in gears 5, 6, and 7 to allow the turbo to engage more fully, reducing turbo lag during driving. Faster downshift rev-matching for more aggressive driving.

Stage 5/Stage 5 Plus/Race Mode for High Power Models Program

The Stage 5/Stage 5 Plus map retains all Stage 4 features while adding race track-oriented characteristics for ultimate racing performance. Ideal for BMW drivers seeking the extreme driving experience. Unleash the Beast!

TTS Transmission Stage 5:

1. Activated gear display in D mode.
2. Removed internal torque limitations of the transmission.
3. Improved fuel efficiency in ECO mode.
4. Re-edited DEC logic to allow the transmission to reduce low-end torque, minimizing tire slip.
5. The transmission's overall response in Sport and Sport+ modes is more dynamic, featuring faster upshifts and more aggressive downshifts with throttle blipping, maintaining peak shift performance close to dual-clutch levels.
6. Automatic upshifting is disabled in manual mode (disabled in Comfort mode - DSC ON, DTC, DSC OFF; Sport mode - DSC ON; Sport+ mode - DTC).
7. Shift points and timing are adjusted for easier uphill driving (without affecting comfort).
8. Slightly increased maximum RPM.
9. Faster and more responsive shifts in all modes.
10. Extremely fast and responsive shifts in Sport+ mode with immediate throttle response.
11. More pronounced downshifts in M/Sport mode.
12. Enhanced downshift speed for faster reactions.
13. Increased comfort in sport mode shifting.
14. Traffic optimization function: The vehicle will stay in 2nd gear in traffic to avoid frequent shifts between 1st and 2nd gears.
15. S mode starts in 2nd gear for faster 0-100 km/h times.
16. Cruise control in Sport mode allows for 8th gear use, overriding the default setting that prevents the use of 8th gear in Sport mode.
17. Activated Drag Racing Mode: This mode extracts maximum power from the transmission and significantly improves 0-100 times! Torque reduction during shifts is completely disabled, shift pressure is maximized, and clutch protection thresholds are raised, placing all engine power on the ground. Drag Racing Mode automatically activates in the following conditions: 1) Launch Control and Sport+/DSC OFF mode (8-speed) or manual mode (6-speed). Normal daily driving comfort is unaffected. (Note: In Launch Control mode, clutch wear is approximately three times higher than in daily use.)
18. Enhanced Launch Control Mode: This mode is activated only in S/Sport mode. How to use Launch Control: Stop the car on a safe, flat, straight road. Shift gear to S mode and put the vehicle in Sport+ mode. Press the brake pedal hard, then quickly press the throttle fully and hold the kick-down button. On vehicles with factory LC, you will see "Launch Control Activated" on the dashboard. Release the brake, and the vehicle will manage torque and traction to minimize wheel slip. The combination of Enhanced Launch Control and Drag Racing Mode improves 0-100 times by 0.7-0.8 seconds.
19. Increased line pressure to prevent clutch slippage, extend clutch life, and handle higher torque (recommended for high-torque vehicles).
20. Uses the fastest shift speeds at all times.

TTS Transmission Stage 5 Plus:
21. In addition to Stage 5, the Plus version includes 2nd gear starts in D mode for faster 0-100 km/h times in high-torque vehicles.

Stage 5 Race Mode - 0-100 for High-Power Models:

22. Additional map specifically designed for 0-100 drag racing with high-power vehicles. Reduces wheel spin time at launch caused by high torque.
23. Increases tire grip during acceleration in low gears.

One More Thing:

TTS Transmission Stage Super-ECO:

1. Super-ECO mode: Added a Super ECO Stage that can make the vehicle more fuel-efficient, reducing fuel consumption by up to 0.6 liters per 100 kilometers across all driving modes.