What are the common issues with water-damaged BMW vehicles?

[MarleyLee]

BMW water-damaged vehicles are prone to failures in circuits, electrical components, and precision instruments. Here is more relevant information: 1. Impact of engine water damage: When the water level during wading is higher than the engine air intake, water can directly enter the cylinders, forming a mixture of air and water. While air is compressible, water is not. This means that when the crankshaft pushes the connecting rod to compress the piston, the water cannot be compressed, causing the connecting rod to deform and bend due to the resistance of the water. If the owner attempts to restart the vehicle after the engine has stalled due to water ingress, the immense reverse force can cause the bent connecting rod to rub against the cylinder block, instantly rupturing the engine block, resulting in astronomical repair costs. 2. Impact on interior: When the water level rises above the door, the interior is likely to get flooded. Rainwater is not clean and contains many impurities. The post-flood interior becomes a highly humid greenhouse environment, which is ideal for mold growth. If the vehicle is not dried promptly, mold can quickly ruin the fabric and leather upholstery inside your car.