Has anyone put a fresh air intake kit on a 1-series. If so what type and how'd it go?
just some advice to you. be sure to try and research independent studies to find what company actually makes a gain in performance. do not trust what the company that makes the product says it does. only buy based on independent studies. another good way to actually find the best product would be to find a tuning shop that would be able to give you good advice
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