09-22-2019, 02:09 PM | #1 |
Private First Class
30
Rep 187
Posts |
Catalyst efficiency below limit
Getting this in my 2013 m5 with 85k on the clock. Eml has come on when driving, but nothing on idrive. Emissions were high at mot as well. Wondering whether it’s an o2 sensor or more serious, seems intermittent
Thanks in advance |
Post Reply |
Bookmarks |
|
|