Auto Parts Train Didn’t Honor Advertised Online Price Carson, California!!. Searched for Car Part (BMW Adaptive Headlamp 2008 335i) online for three days. Found advertised price of $567.84 online from same distributer. Auto Part Train.com on each of the past four days. On day one was told the the product was out of stock. On day two was told the coupon code expired. On day three found the same advertised price with the same coupon code. Called and was told that the coupon expired 6 months ago.