In this video I am installing a the radiator from the z3 m coupe with the s54, into my 24v swap E30. I go over not only the install, but why its its a great upgrade and a comparison between the M20 and M42 radiators. Finally I talk about why I do not recommend aftermarket radiators.
Z3 M Coupe S54 Radiator Part Number: 17112227281
Always use BMW Blue coolant in your engines: