3-Series (E46, E90)Chat relating to the BMW 3-Series from 1999 to Current. Models include: BMW 316i, BMW 318i, BMW 318Ci, BMW 320i, BMW 323i, BMW 325i, BMW 330i, BMW 328 Ci, BMW 328i, BMW 325i/xi, BMW 330Ci, BMW 320d, BMW 330d, BMW 335d.
make sure that you really need an ICV; it is located under the throttle body right side of engine held bt 2 screws .
O2 sensors you have 4 of them 2 precats and 2 after cats look at the manifold/muffler pipes
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