I called Stett and they confirmed they are not ebay headers and guarantee fitment. In fact go over to e46 fanatics and do the research. A bunch of guys have them over there. Im going to pick up a set. I had a bunch of Stett products on my 135i and their quality is top notch. They are not an ebay shop but a real performance shop. Only questions is will the SES light impact performance till I get a tune? Aynone?
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