napa auto parts
As I say, always go for factory parts because they can be more reliable, but if you can't afford them or they aren't available then getting aftermarket parts are a good idea. But they are also a good idea for a short time because they are used.
Good luck in fixing up the car you guys just bought. To find parts for it, try looking at this website: http://www.autoanything.com/auto-parts/California/los-angeles.aspx
Aftermarket auto parts are parts that are from a company other than the original manufacturer. The parts are usually less expensive. For instance if you needed to get your car fixed you would probably choose the aftermarket part since it would be cheaper but would be just as good.
To find a good used radiator that old is doubtful. An aftermarket radiator would be a better choice. Your local auto parts store should help you locate one or try searching online.
Look in a cheap aftermarket manual at an auto parts store. Haynes is a good one.
There are many places in the Medina, Ohio area where you can find salvage auto parts. A few of these places are Rusty's Auto Salvage and Tons of Parts. Good luck and I hope you can find the part you need.
cheap and new auto parts are not good,but if you want to get them. you can go here http://www.1cheapautoinsurance.com/
I have bought parts at Auto Parts 123 before and they have been great, really good prices and quality parts. I recommend Auto Parts Warehouse, they offer really discounted prices and free shipping.
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Many suppliers and retailers sell aftermarket car parts online these days. With online shopping, you don't need to make rounds of suppliers looking for aftermarket parts. You can shop sitting at home and also find plenty of information on each and every product before you purchase it. What's more, many customers provide feedback on their experience with suppliers of these aftermarket parts, which you can read before buying anything from them. I can personally recommend 1aauto.com - a second generation supplier of aftermarket auto parts offering competitive deals on parts for cars of almost all makes and models. I am pretty confident you can get some great parts for your BMW from them.
Cheap automotive parts can be found in many different places. O'Reily Autoparts and AutoZone have cheap parts. Going to a scrapyard is also a good place to look.