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" M54B22/25 & M52TUB25/28 in E39/E46
~3" M54B22/25 & M52TUB25/28 in E39/E46
