The BMW 335i is a popular car known for its performance and technology. However, its complex transmission system can sometimes require resetting to resolve issues like rough shifting or error codes. Carly, a smartphone app, offers a user-friendly way to reset the transmission on your 335i.
Prerequisites
- A BMW 335i model year 2007-2013 with a 6-speed automatic transmission.
- A Carly for BMW app installed on your smartphone.
- A Carly adapter connected to your cars OBD-II port.
Steps to Reset the Transmission
- Connect Carly Adapter⁚ Plug the Carly adapter into your cars OBD-II port, which is typically located under the dashboard near the steering column.
- Open Carly App⁚ Launch the Carly app on your smartphone and ensure its connected to the adapter.
- Select “Transmission”⁚ Navigate to the “Transmission” section within the apps menu.
- Choose “Reset Adaptation”⁚ Look for an option labeled “Reset Adaptation” or similar. This command will reset the transmissions learned values.
- Confirm Reset⁚ The app might prompt you to confirm the reset operation. Read the instructions carefully and proceed only if youre sure.
- Restart Engine⁚ After the reset is complete, turn off the engine and restart it. This allows the transmission to relearn its parameters.
- Test Drive⁚ Take your BMW 335i for a test drive to see if the transmission issue has been resolved.
Important Notes
- Resetting the transmission is a common troubleshooting step, but it may not fix all issues. If problems persist, consult a qualified BMW mechanic.
- Always follow the instructions provided by the Carly app for your specific BMW model.
- Never attempt to reset the transmission while driving.
- Carly for BMW app requires a subscription for full functionality.
Conclusion
Resetting the transmission on your BMW 335i using the Carly app can be a straightforward process. By following these steps, you can potentially resolve issues related to transmission performance and restore smooth shifting. Remember to consult a professional mechanic if the problem persists.
Beyond Transmission Reset⁚ Additional Tips for BMW 335i Transmission Care
While resetting the transmission is a valuable tool, maintaining a healthy transmission in your BMW 335i involves more than just occasional resets. Here are some additional tips to keep your transmission running smoothly⁚
1. Regular Fluid Changes⁚
- BMW recommends changing the transmission fluid every 40,000 miles or 4 years, whichever comes first.
- Using the correct transmission fluid is crucial. Refer to your owners manual or consult a BMW dealership for the recommended type.
2. Avoid Harsh Driving⁚
- Minimize aggressive acceleration and braking. These actions put undue stress on the transmission.
- Avoid towing heavy loads unless your vehicle is equipped for it.
3. Pay Attention to Warning Lights⁚
- If your BMW 335is transmission warning light illuminates, do not ignore it. This could indicate a serious issue requiring immediate attention.
- Have your car inspected by a qualified mechanic as soon as possible to diagnose and address the problem.
4. Monitor Transmission Temperature⁚
- The transmission fluid should operate within a specific temperature range. If it overheats, it can damage internal components.
- If you notice excessive heat or unusual smells, have your transmission checked by a professional.
5. Consider a Transmission Cooler⁚
- For those who frequently tow or drive in extreme conditions, installing an aftermarket transmission cooler can help prevent overheating.
- Consult with a mechanic to determine if a transmission cooler is necessary for your driving habits.
By following these tips and addressing issues promptly, you can extend the life of your BMW 335is transmission and enjoy smooth, reliable performance for many years to come.