Quote:
Originally Posted by stant_0
The 528i ER 4inch cat less is compatible with the 520i Downpipe.
I love the sound of my exhaust now! It still baby friendly type of sound. I will try and record and show you how was it.
The next parts for my 520i must be suspension system. I am considering KW v3 suspension. Correct me if there are any other choices.
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Thanks for the info on ER catless.
I believe Bilstein also offers suspension kit for F10 - PSS10, B12...