In good working condition, dirty. Brand: OEM Manufacturer Part Number: 1703276, 12141703276 Used as removed from 1998 BMW 528I. This listing is for the engine motor knock ping sensors. This is an OEM part and was removed from a car with 77,000 miles. These are in good working condition. If you have any questions, please contact before purchase. Free Shipping to lower 48 only.