到底换还是不换,是讲条件的
经常高速行驶,(宝马3系限速235,我估计长期开180应该算经常高速行驶)
经常激烈驾驶,经常攻击性驾驶
经常拖车(这个我没怎么吃透,到底是经常拖别人的车,还被经常被拖车,或者是说经常拖个游艇或者房车什么的)
在这样的情况下,需要在12万公里或者8年,先到为准,换变速箱油
如果正常开车,终身免换变速箱油
至于车企所说的终身,不是指人的平均寿命74岁这个终身,通常来说,汽车的设计寿命,一般是30万公里,高级汽车设计寿命更长
5-, 6-, 8- and 9-speed as well as 4HP20 automatic transmissions:ZF 5-, 6-, 8- and 9-speed as well as the ZF 4HP20 automatic transmissions are filled maintenance-free with specially developed partially synthetic ATF oils.
Maintenance-free fills are intended for normal operating conditions.
Especially driving at very high operating temperatures can result in accelerated aging or increased wear of ATF oils.
It is recommended, in the event of severe operating conditions, such as:
- frequent highway driving in top speed range,
- offensive, sporty driving style,
- frequent trailer operation,
being above average, oil purification (oil change) on automatic transmissions is recommended between 80,000 km and 120,000 km, or 8 years, depending on the load.