What are the causes of BMW N13B16A engine vibration?
1 Answers
There are several reasons for the vibration in the BMW N13B16A engine: Engine Misfire: Engine misfire mainly refers to one or more cylinders in the engine not functioning properly. Common symptoms include intermittent exhaust gas flow, severe shaking of the exhaust pipe, noticeable engine vibration, and sometimes accompanied by a sputtering sound. This is often related to ignition coil failure. Engine Mount Deterioration or Loosening: Engine mounts are rubber blocks placed between the engine and the frame. Their purpose is to reduce vibration and cushion the engine's operation while securing the engine in place. Once these mounts become deteriorated or loose, the engine vibration will become significantly worse. Replacing the engine mounts can greatly alleviate this issue. Carbon Buildup: Cars inevitably face carbon buildup issues, including carbon deposits in the cylinders, throttle body, spark plugs, and intake system. Excessive carbon buildup inside the engine can affect ignition energy, air intake efficiency, and the air-fuel mixture ratio, leading to unstable power output and vibration during idle and acceleration. It is recommended to have the engine cleaned at a 4S shop. Fuel System Malfunction: Using an incompatible fuel grade can reduce the car's power output and performance. Additionally, a clogged fuel tank vent, fuel tank switch, fuel filter, or fuel line between the tank and carburetor can restrict fuel supply, resulting in a lean air-fuel mixture and engine vibration. It is advised to use the manufacturer-recommended fuel grade and perform regular maintenance.