The main purpose of the piston rings in your car is to carry out the heat from the hot piston into the cooled cylinder hood of the engine. In general, the heat energy are flowing from the piston groove into the piston ring and then into the cylinder head. That heat is eventually transferred into the engine coolant. Go through the slide to know about the signs to determine the bad piston rings in your BMW.
4. Thus, the primary
functions of the piston
rings in your BMW is to:
• Seal the middle of the cylinder
and piston
• Manage the amount of oil
lubrication
• Take heat away from the
pistons
• Prevent knock against the
cylinder wall
5. Like other parts of the car,
they will become worn out
and need a quick
replacement.