VTT - Billet BMW Crankcase BreatherVTT BMW Billet One Way Crankcase Breather VTT is happy to introduce the first and only available plug and play crankcase breather kits for ALL BMW applications that use the two prong oil tab style oil fill caps. With this breather simply remove your oil cap, install the breather, and instantly free up horsepower, improve turbo draining, and remove crankcase pressure, all while adding a cool look to your engine bay. Can be used by itself with the stock
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