1995 BMW 318is Q&A
1995 BMW 318is Question: engine noise
You need to see a BMW specialist. It could be a failing alternator or water pump, or a bad belt or worse, but have given me no good information in your question. A person would have to see the car and hear the noise to be sure. Here's a directory link for you, but I don't know if it covers PR so you may have to find a guy on your own. http://repairpal.com/directory?address=00966&car_brand_names=BMW - Superbob
My bmw started making a loud noise in the engine while driving it. The car was parked after that but it would would till start with the noise still there, but it would start. The spark plugs and wi...