how to fix the remote start not working on my BMW 5 Series F10/F11 (2010-2017)?

BMW 5 Series F10/F11 (2010-2017)

Error Codes

1-2 hours

Time

medium

Difficulty

medium

Severity

4 min read

603 words

Problem Statement

The remote start feature on a BMW 5 Series F10/F11 (2010-2017) is not functioning, preventing the vehicle from starting remotely.

Estimated Time

1-2 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Disconnect the vehicle battery when working on electrical systems to avoid shorts.
•Allow the engine to cool before inspecting any components under the hood.

Symptoms

•Remote start button does not respond when pressed
•No engine cranking or starting sounds from the vehicle
•Dashboard lights do not illuminate upon attempting remote start
•Vehicle starts normally using the key fob
•Possible warning lights illuminated on the dashboard (e.g., battery, security)

Diagnostic Steps

1
Verify that the vehicle is in the correct mode for remote start (e.g., doors closed, hood closed).
2
Check the battery voltage of the key fob to ensure it is not low.
3
Use an OBD-II scanner to check for any fault codes related to the remote start system.
4
Inspect the vehicle's battery for proper voltage and connections.
5
Confirm that the remote start feature is enabled in the vehicle settings via the iDrive system.
6
Check for any blown fuses related to the remote start system.

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

•Small flathead screwdriver

Parts Required

•Key fob battery (CR2032)
•Replacement fuses (if necessary)

Related Faults

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Symptoms

•Remote start button does not respond when pressed

•No engine cranking or starting sounds from the vehicle

•Dashboard lights do not illuminate upon attempting remote start

•Vehicle starts normally using the key fob

•Possible warning lights illuminated on the dashboard (e.g., battery, security)

Diagnostic Steps

1
Verify that the vehicle is in the correct mode for remote start (e.g., doors closed, hood closed).
2
Check the battery voltage of the key fob to ensure it is not low.
3
Use an OBD-II scanner to check for any fault codes related to the remote start system.
4
Inspect the vehicle's battery for proper voltage and connections.
5
Confirm that the remote start feature is enabled in the vehicle settings via the iDrive system.
6
Check for any blown fuses related to the remote start system.

Solution

1. Preparation

Gather all required tools and parts.
Ensure the vehicle is parked in a safe area and the engine is turned off.

2. Check Key Fob Battery

Sub-steps:
1. Open the key fob using a small flathead screwdriver.
2. Remove the old battery (usually CR2032) and replace it with a new one.
3. Reassemble the key fob.
Tools Required: Small flathead screwdriver

3. Inspect Vehicle Battery

Sub-steps:
1. Open the hood and check the vehicle battery for corrosion or loose connections.
2. Use a multimeter to check the battery voltage; it should be around 12.6 volts when fully charged.
3. If voltage is low, charge the battery or replace it if necessary.
Tools Required: Multimeter

4. Check Fuses

Sub-steps:
1. Locate the fuse box (usually under the dashboard or in the engine compartment).
2. Identify the fuse related to the remote start system (refer to the owner's manual for the specific fuse number).
3. Remove the fuse and visually inspect it. Replace if it is blown.
Tools Required: Fuse puller or needle-nose pliers

5. Verify Remote Start Settings

Sub-steps:
1. Sit in the driver's seat and turn on the iDrive system.
2. Navigate to "Settings" and then "Vehicle Settings."
3. Look for "Remote Start" and ensure it is enabled.

6. Use OBD-II Scanner for Fault Codes

Sub-steps:
1. Plug in the OBD-II scanner under the dashboard.
2. Turn the ignition to the "On" position without starting the engine.
3. Scan for fault codes and note any related to the remote start system.
4. Clear any codes and test the remote start feature again.
Tools Required: OBD-II scanner