Description
For your E36 (323/325/328/M3), E34 (525), or E30 swap car. Early (OBD1, two hole) and Late (OBD2, single hole) options.
The single hole (late/OBD2) option is also useful for the OBD1 cars with externally vented crankcase systems. For non-ASC cars (or ASC delete).
