You may be lucky if you're still rocking your stock expansion tank after all these years. If you're not so lucky, don't worry because we got you covered with our in-house designed aluminum expansion tank that will be the last one you ever scoop up. Link in bio. #tms #turner #turnermotorsport #bmw #e46 #expansiontank #bmwe46 #m3 #bmwm #bimmerthings #bimmerfest #bimmergram #bimmergang #bimmerlife