My starter did a funny thing today, it made a click noise when i went to start the car. I tried again and the car started right up. It hasnt done it again, but it does concern me that the starter may be going out and will leave me stranded.. I am savy with tools, but cannot seem to find a "how to" for the starter install..

I am wondering if it wasnt an ignition switch issue, but either way id like to know where the starter is, how to access it ect..

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1999 540i/6 MSport- Halos, Facelift Tails, Debadge, Maint Done
2010 Mini Cooper S- Bone stock TURBO
1991 Mazda Miata CSP Autocross Beast. too much to list..
1981 CB750 Cafe Racer