The automatic gearbox of BMW 3 E90, declared by the manufacturer, is 250 ,000-300, 000 km. With the passage of time and along with the wear and tear of ACPR, the oil in it also changes its properties. Given all this, the manufacturer has installed the oil replacement regulations at ACPR-50,000 kilometers. Along with butter, according to the regulation, the ACPR filter is also changing.
