M3xpress
Member
Thinking about doing the 4.0 swap for the B2, but I've got a lot of new parts (master cylinder, radiator, alternator, etc.) on this old motor.
How much stuff will carry over to a 4.0 and is there anything else I will need besides doing wiring/wiring harness?
How much stuff will carry over to a 4.0 and is there anything else I will need besides doing wiring/wiring harness?