BMW 1 Series - Tech Talk For All Gen Of 1 Series
Hi guys,
I have a 2007 1 Series, E81, 2.0i, N43 which has failed it's MOT several times due to failed emissions tests.
Halfords who did the original MOT said they suspected it was the CAT, however, I took it to an exhaust specialist who did a diagnostic and it threw up Lambda fault codes. I...