This is a VDO/Continental branded MAF that is made by the same supplier to BMW for the OE MAF - Essentially you get a BMW Genuine MAF without paying the BMW white box tax. Don't risk your motor or disappointment with an inferior Chinese manufactured MAF.
~3.5" Diameter to suit M54B30 in E39/E46/E53.
~3.5" Diameter to suit M54B30 in E39/E46/E53.