This large o-ring seals the intake tube to the throttle body on N54 and N55 engines. 【Perfectly Compatible】Designed specifically for the N54 N55 engine. For BMW E82/E88 135i N54 & N55 including 1M (2008-2012).
This product is ideal for BMW N54/N55 engine owners who need to replace their chargepipe to throttle body C-clip and O-ring.
