how to reset the transmission fluid change light on my BMW 3 Series E90/E91 (2005-2012)?

BMW 3 Series E90/E91 (2005-2012)

Error Codes

15-30 minutes

Time

medium

Difficulty

medium

Severity

3 min read

504 words

Problem Statement

The transmission fluid change light on a BMW 3 Series E90/E91 (2005-2012) needs to be reset after performing a transmission fluid change.

Estimated Time

15-30 minutes

⚠️ Safety Warnings

Important safety information - read before proceeding

•Ensure the vehicle is in park or neutral and securely stationed before performing any resets.

Symptoms

•Transmission fluid change light illuminated on the dashboard
•No other warning lights related to transmission or engine
•Vehicle operates normally, but reminder is persistent

Diagnostic Steps

1
Ensure the vehicle is parked on a level surface.
2
Turn the ignition key to the "ON" position without starting the engine.
3
Check if the vehicle’s battery is sufficiently charged to prevent any electrical issues during the reset.
4
Locate the OBD-II port if using a scan tool, otherwise, prepare to use the vehicle’s onboard computer.
5
Confirm that the transmission fluid change has been completed before proceeding with the reset.

Solution

💡 Expert Tip

For complex repairs like this, consider taking photos at each step. This helps if you need to reverse a step or consult with a mechanic. Also, keep all removed parts organized - you may need to reference them during reassembly.

Verification

After completing the repair, verify that the issue has been resolved:

✓Test the affected component to ensure it functions correctly
✓Check for any error codes or warning lights
✓Monitor the vehicle for a few days to ensure the issue does not recur

Prevention Tips

To prevent this issue from occurring again:

•Follow the manufacturer's recommended maintenance schedule
•Address warning signs early before they develop into major issues
•Use quality parts and fluids recommended for your vehicle
•Keep detailed records of all repairs and maintenance

Tools & Equipment Required

•OBD-II scanner (if applicable)
•Turn signal stalk buttons

Parts Required

•None specifically for the reset, but ensure correct transmission fluid is used for changes.

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Diagnostic Steps

1
Ensure the vehicle is parked on a level surface.
2
Turn the ignition key to the "ON" position without starting the engine.
3
Check if the vehicle’s battery is sufficiently charged to prevent any electrical issues during the reset.
4
Locate the OBD-II port if using a scan tool, otherwise, prepare to use the vehicle’s onboard computer.
5
Confirm that the transmission fluid change has been completed before proceeding with the reset.

Solution

1. Preparation

Gather necessary tools: OBD-II scanner (if applicable) or prepare to use the steering wheel buttons.
Ensure that the vehicle is in the "ON" position (ignition on, engine off).

2. Using the Onboard Computer

Access the Menu:
- Press the “Start/Stop” button without pressing the brake pedal to turn on the ignition.
- Wait for the dashboard lights to illuminate and then press the “BC” button on the turn signal stalk repeatedly until the "SERVICE" menu appears on the display.
Select Transmission Fluid Change:
- Scroll through the service menu using the turn signal stalk until you find the option for “Transmission Fluid Change.”
Reset the Reminder:
- Once the “Transmission Fluid Change” option is displayed, press and hold the "BC" button until the light starts blinking.
- Release the button and confirm the reset by pressing the "BC" button again.

3. Using OBD-II Scanner (if applicable)

Connect the OBD-II Scanner:
- Plug the OBD-II scanner into the vehicle's OBD-II port located under the dashboard near the steering column.
Turn on the Ignition:
- Turn the key to the "ON" position or press the “Start/Stop” button without starting the engine.
Navigate to Transmission Settings:
- Follow the scanner prompts to navigate to the transmission settings or maintenance section.
Reset Transmission Fluid Change Light:
- Select the option to reset the transmission fluid change light and confirm the action.