Lightweight CFRP Michael Ahlers, Body and Trim BMW 7 Series br Carbon parts and body-structure new BMW 7 Series„In the new 7 Series we first and extesivly use carbon in the body structure and in the segment.The body structure makes the largest contribution in weight reduction up to 130 Kilograms in the car.“„The carbon core named body structure is the central element of this luxury sedan.We transfered the technologie of the BMW i -models in the BMW 7 Series now.