[caption id="attachment_71526" align="aligncenter" width="534"] 2015 BMW M4 Concept[/caption] [caption id="attachment_71532" align="aligncenter" width="534"] 2015 BMW M4 Concept[/caption] [caption id="attachment_71528" align="aligncenter" width="534"] 2015 BMW M4 Concept[/caption] [caption id="attachment_71531" align="aligncenter" width="534"] 2015 BMW M4 Concept[/caption]   [gallery ids="71527,71533,71534,71535,71530,71529"]