The factory BMW charge pipes are prone to cracking, as they are made from brittle plastic. Here at Turner, we sell several brands of replacement charge pipes that are typically made from cast aluminum. We recommend upgrading to hard charge pipes even on stock forced induction vehicles to avoid cracking - we've seen cracking occur on high mileage cars running stock power just as frequently as we do with high horsepower builds.
BMWs, OEM charge pipe can become brittle and will generally fail under increased boost pressure. To combat this, Forge has developed a replacement with an increased diameter which helps to reduce turbulence and maximize airflow into the engine.
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