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Matt
Matt, Mechanical Engineer
Category: BMW
Satisfied Customers: 102
Experience:  BEng hons Mech engineering, in auto industry 22 years
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I own a 2006 z4. The engine diagnostic yellow light has come

Customer Question

I own a 2006 z4. The engine diagnostic yellow light has come on. My local garage ( non bmw) changed the cat sensors and the cat itself, but after a short time the light came on again. Any idea what the problem could be before I book into a bmw garage.
Submitted: 1 year ago.
Category: BMW
Expert:  Steve replied 1 year ago.
what faults are logged in the car's computer fault memory?

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