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Does BMW have wading protection function?

1Answers
DeCole
07/29/2025, 10:07:52 PM

BMW vehicles do not have an automatic protection function after water ingress and stalling. If the engine stalls due to water ingress, you must never attempt to restart the engine. Below is relevant information: Reasons why you should not restart the engine after wading: 1. If you restart the engine after it has stalled due to water ingress, it will cause severe damage to the engine. 2. The engine's cylinders are designed to compress air, which has larger molecular gaps and can be compressed. However, if water enters the cylinders, the engine will try to compress the water. Water has smaller molecular gaps and cannot be compressed. 3. If the piston moves upward to compress the water, the engine may experience connecting rod deformation, valve deformation, piston fracture, or cylinder wall rupture. 4. If the engine suffers this level of damage, the repair costs will be extremely high.

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