March 15, 2022, march 15.
During march 15 this year, BMW owners were quite upset, especially the friends who bought the 3 series, and the treatment of the burning oil incident made them see that this was not the attitude that traditional luxury brands should have. As a result, nearly 100 BMW owners jointly wrote to the media to report the defect of burning oil.
Judging from the information obtained by Master Horn, there are not only 3 series owners, but also 5 series, X3, and even 6 series, X4 and other imported versions. The models involved include: BMW 320li, BMW 325li, BMW 330Li, and all B48tu engine models: B48B20A, B48B20B, B48B20C, B48B20D defective models Annual model: 20 models, 21 models Defect situation: Serious carbon deposition of burned engine oil, spark plug organic oil, judging that the oil infiltration into the combustion chamber is due to the poor effect of the oil and gas separator.
The list is very long, and here the corner master will send the picture to everyone to open the big view.
Some car owners representatives expressed the burning oil incident, BMW 3 series owners from Shanghai, the vehicle was purchased in August 2020, fortunately for the 2020 model to remodel 325Li M sports kit version, the engine model is B48B20D, when driving 4600 kilometers into the store for the first guarantee, the store after-sales shows the need to refuel 5.75L oil, the owner has doubts about this, because the previous purchase of the vehicle after-sales statement oil refueling volume is 5.25L, more than 0.5L.
When driving to 8340 km after the first insurance, the vehicle is reminded to add oil. Subsequently, the owner entered the store to check, and after the sale, he said that there was organic oil on the spark plug of the 1 and 2 cylinders of the vehicle. The owner said that the dealer said after-sales that everything was normal, and there were two times of burning oil within 12,000 kilometers of continuous use.
Coincidentally, Mr. Wang, the owner of the imported 5 series, also encountered a bad heart. His imported BMW 525i picked up the car from the dealer in December 2019 with an engine model of B48B20A. When the new car traveled about 8,000 kilometers, and before the first insurance, the owner found that the electronic oil gauge dropped to one-half position. The first warranty is replaced after the sale, and the added capacity is 5.25L. Subsequently, the vehicle often appears in daily use with reminders of oil additions. Nowadays, dealers add 0.75L according to their maintenance capacity after maintenance, and add 0.75L after maintenance for 3000 kilometers, which is equivalent to 1000 kilometers burning 0.25L.
BMW engine burning engine oil is a common problem
From the BMW N20 engine burning oil, to the current B48 burning oil, BMW's "ancestral" burning oil can not be eliminated for a long time, which makes consumers quite worried. At present, BMW officials have given an official response to the B48TU engine burning oil, the official said: the engine valve chamber cover has a crankshaft ventilation box device, this device is close to the engine of one or two cylinders, so the engine of one or two cylinders of the spark plug than the three or four cylinders of the spark plug color is darker, or more humid This situation is a normal physical phenomenon. If the owner's vehicle, a two-cylinder spark plug has a large amount of oil, BMW officially recommends that customers encounter such situations, to the authorized dealer for further inspection, while BMW provides improved valve chamber cover accessories, the dealer will be based on the actual situation after the inspection of the vehicle, to provide customers with targeted solutions.
However, through the identification of civilian technicians, the design of the oil and gas separator used in the BMW B48TU engine is too complicated, and the internal structure is like a maze, and there are more obvious design defects. When the efficiency of oil and gas separation is seriously reduced, it is possible that the oil is not effectively recovered into the circulation system, but is discharged with the exhaust gas, resulting in abnormal oil consumption.
However, the above are the speculations of private technicians, BMW officials did not respond to it, but emphasized that they have improved the valve chamber cover, and whether the improved valve chamber cover can solve the problem of low oil and gas efficiency, the official did not give a clear answer.
Because of this, many problem owners are very angry, saying that this should not be the attitude that traditional luxury brands should have to deal with problems. Mr. Gao Le, President and CEO of bmw group greater China, has always said: "The success of the BMW brand comes from strategy first, from customer-centricity". Judging from the current attitude of incident handling, it does not make customers feel any "customer-centric".
In 2020, BMW's new 3 series was collectively complained by car owners about the serious leakage of engine antifreeze, mainly due to the design defects of the thermal management module. It's only been a year since BMW was once again mired in the "burn-out throttle", which is hard to believe, whether this is what Mr. Gao Le said: "Our products are known worldwide for their excellent engineering, high-quality craftsmanship, advanced innovative technology and pure driving pleasure." ”
Regarding the BMW B48 oil burning incident, Master Horn will continue to track the report, because every day is "3·15".