For 1990, a more powerful and lighter "Sport Evolution" model (sometimes referred to as "EVO3") with a limited production run of 600 units, was produced with an upgraded {{convert|2467|cc|cuin|1|abbr=on}} engine rated at {{convert|238|PS|kW PS hp|0|abbr=on|order=out}} at 7,000 rpm and {{convert|240|Nm|0|abbr=on}} at 4,750 rpm.<ref name="regE30a" /><ref>{{cite web|title=European Supertest: German Thundercars|url=http://www.roadandtrack.com/car-culture/a28954/european-supertest-german-thundercars/|website=Road & Track|date=26 April 2016|access-date=4 October 2016}}</ref> The top speed was increased to {{convert|154|mi/h|km/h|abbr=on|round=5|order=flip}}.<ref name="Kittler 2001 130"/> Sport Evolution models have enlarged front bumper openings and an adjustable multi-position front splitter<ref name="forums.bimmerforums.com">{{cite web |title=Aerodynamic parts lesson, including nomenclature |url=http://forums.bimmerforums.com/forum/showthread.php?2104261-Aerodynamic-parts-lesson-including-nomenclature |website=BimmerForums}}</ref> and rear wing. Brake cooling ducts were installed in place of front [[foglights]].
