The AWE No Check Engine Light Guarantee offers peace of mind against the appearance of Check Engine Lights when products are installed properly and used as intended, on vehicles with no additional modifications (with the exception of other AWE products intended to work with the product in question). No problems, no lights. Easy. AWE Touring Edition Axle-back Exhaust for BMW F3X 28i / 30i, Single Side -- Diamond Black Tips (80mm)
