BMW special repair will explain to you that the following maintenance is required for BMW maintenance:
1、 Check the fuel level of BMW engine and park the vehicle on a level road. Pull out the travel scale to check the oil quantity. If the oil brightness is within the two marking lines (f) and (L), it belongs to the normal range. If it is lower than the (L) position. The specified model of engine oil shall be added, and the liquid level behind the engine oil shall not be higher than (f).
2、 Check the brake fluid level of BMW. If the brake is between high and low, it means it is normal. If the brake fluid is close to or lower than the lower limit, it indicates that there may be leakage in the system or excessive wear of brake shoes, and it shall be repaired at the maintenance station in time.
When adding brake fluid, pay attention to adding brake fluid of the same model to prevent damage to the leather cup, and pay attention to protect the paint to prevent corrosion of the paint surface.
3、 Maintenance and inspection of BMW battery. Check whether the battery is firmly fixed. The electrolyte should be between the upper limit and the lower limit. When approaching the offline, add electrolyte or distilled water to the high level line in time. Keep the positive and negative cables of the battery in good contact, and keep the battery clean and dry. For vehicles that have been stored for a long time, remove the positive and negative cables of the battery, rewire them every half a month or so, and charge them in time if the power is obviously insufficient after starting the engine for about 20 minutes.
4、 Inspection of BMW's belt when starting the engine or driving the vehicle at ordinary times, the belt makes a noise. One case is that the belt has not been inspected and adjusted for a long time, and it can be adjusted according to the normal standard. The other is that the belt is aging and needs to be replaced.
5、 The inspection of BMW spark plug is normal, and the insulation ceramics of spark plug are intact. There is no rupture and leakage. When the spark plug gap is 0.8 + - 0.0mm, the spark is blue and strong. If any abnormality is found, adjust the gap or replace the spark plug.
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