Hi Christina, I'm glad to help you out. This part is guaranteed to fit the 2008 BMW 328i Base 6 Cyl 3.0L. This part is located below the starter motor on the left side of the engine, mounted on the engine block. I hope this helps. To order the part, click on the link below while the part is in stock and enjoy the savings of our ongoing sale today. Happy shopping. https://www.carparts.com/crankshaft-position-sensor/replacement/repb311814?can=CPGG4850

Hi Shakura, Thanks for initiating contact. I'll answer your question shortly. Firstly, this part does not fit the vehicle. I have chosen the most economical crankshaft position sensor for your 2007 BMW X5 4.8i 8 Cyl 4.8L. The sensor is located underneath the starter motor. It's a tight spot to access and may require some tools to remove and replace the sensor. I suggest watching videos online for step-by-step instructions. Use the link below to order while the part is in stock. Your order will come with a 30-day post-purchase price match guarantee. I hope this helps and enjoy shopping! https://www.carparts.com/details/BMW/X5/Bremi/Crankshaft_Position_Sensor/2007/4-dot-8i/8_Cyl_4-dot-8L/BRE13627548995.html?can=CPGG4850_CSQA_20240509

Hello Pamela, "The crankshaft is essentially the backbone of the internal combustion engine. The crankshaft is responsible for the proper operation of the engine and converting a linear motion to a rotational motion. The crankshaft rotates within the engine block through use of main bearings, and the crankpins rotate within the connecting rods using rod bearings.".