my BMW 5 Series G30/G31 (2017-2024) makes a popping sound when I accelerate, what could it be?

Solution

1. Preparation

• Tools Required: OBD-II scanner, socket set, jack and jack stands, safety goggles, gloves
• Safety Warnings: Ensure the vehicle is on a flat surface and secured with jack stands before working underneath.

2. Address Exhaust Issues

• Step 1: Raise the vehicle using jack and secure it with jack stands.
• Step 2: Inspect the exhaust system for loose hangers, cracks, or holes. Pay close attention to the area around the catalytic converter and muffler.
• Step 3: Tighten any loose bolts and repair or replace any damaged sections of the exhaust system.
• Step 4: If a crack is found in the exhaust, use exhaust repair tape temporarily or replace the damaged section.

3. Check Engine Mounts

• Step 1: Visually inspect engine mounts for any signs of cracking or wear.
• Step 2: Use a pry bar to check for excessive movement in the mounts. If they are significantly worn, replace them.
• Step 3: Remove the old engine mounts and install new ones. Torque to manufacturer specifications.

4. Inspect Intake System

• Step 1: Remove the air intake duct and inspect it for cracks or loose connections.
• Step 2: Check the intake manifold for any signs of leaks or damage.
• Step 3: Replace any damaged components and ensure all connections are secure.