One of the biggest hurdles for new players is understanding why an engine explodes on the test dyno. Version 4.2.13 updates the designer UI to highlight exact failure points—such as valve float, floating wrist pins, or excessive cylinder pressure—with precise color-coded warnings. Engineering Your First Engine in v4.2.13

Resolves edge-case crashes when calculation parameters for complex turbocharger setups timed out.

v4.2 improved how cars export to BeamNG.drive , including advanced trim settings. If your gauges don't work after export, you can now use specific "prop numbers" in the car's description to map needles to speed or RPM.