how to check for BMW X3 G01 (2018-2024) exhaust leaks after repairs

Solution

1. Preparation

• Tools Required: Safety goggles, gloves, flashlight, soap solution in a spray bottle, smoke machine (if applicable)
• Ensure the vehicle is on a flat surface and the engine is cool before beginning any checks.

2. Visual Inspection

• Inspect the entire exhaust system from the exhaust manifold to the tailpipe.
• Look for cracks, loose connections, or damaged gaskets.
• Pay special attention to welds and joints.

3. Soapy Water Test

• Start the engine and allow it to reach normal operating temperature.
• While the engine is running, spray the soapy water solution on all exhaust joints and connections.
• Observe for bubbling, which indicates escaping exhaust gases.

4. Listening Test

• With the engine idling, use a mechanic’s stethoscope or a long piece of hose to listen closely to the exhaust system.
• Identify any abnormal sounds that may indicate a leak.

5. Smoke Test

• If available, connect a smoke machine to the exhaust system.
• Introduce smoke and look for any escaping smoke, which indicates a leak in the exhaust system.