Congrats. The old e36 are stubborn old mules and can go for decades of track day fun.
Yours was a 'luxury edition' with the faux wood trim inside. The 8-way power seats BMW installed weighed about 90# each. Comfy but good riddance for anything fun. The two-bar front mouth insert is irreplaceable.
I got some screaming good deals on new fender liners and radiator belly pans from Taiwan on rock auto recently. Search by part number, they weren't listed under make/model.
I could go on writing a book with recommendations, but it's nothing that hasn't been written 1,000 times before.
Enjoy
