Quote:
Originally Posted by MOTOFILMS435i
Catless dp and I had the CEL. Bought an L spacer and then bought the "mini cat" from big daddies garage and now it's all good.
The pipeline goes like this
D.P. - L spacer - "mini cat" - o2 sensor.
The car has FBO and bm3 stage 2
2015 435i xdrive
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How long did you run this setup for? wondering if it is safe and if it would throw off sensor readings?