刚才在网上搜到的不知道深圳这边有这消息吗
[重要通知] 新3系早晨冷车刹车踩不动,无法着车的请进
3系有一批车确实有这样的问题,BMW也已经证实,去年还没有解决方案,现在已经有了。是需要换助力泵上的一根真空管,主要是由于真空管内的单向阀在停车时间较长漏气造成的。更换后就可以解决了,是BMW免费更换的。
Measure no.
6621808-02
Subject
Hard brake pedal pressure / engine start not possible
Release date (mm/dd/yy)
5/14/07
Status
Approved
Organization
CN, CAR
Vehicles affected
E series
E81 E87 E90 E91 E92
E93
Engine
Body
Production period (from/to)
(mm/dd/yy)
/ 8/31/07
Comment on production period
Feedback (all cases relating to
measure up to) (mm/dd/yy)
Complaint
Hard brake pedal pressure after vehicle parked up for long period.
Engine start not possible in the case of vehicles with automatic transmission.
Cause
Negative pressure collapse due to unfavourable component tolerances in the non-return valve in the
negative pressure line.