BMW 14-19 F26 X4 Backup Camera 07921399001 66539475687

This replacement uses OEM-grade plastic housing and sealing process, but with upgraded imaging component using a more temperature-tolerant industrial-grade chip; tested stable from -30°C to 85°C and life extended by about 30% over many aftermarket units. Fits BMW 14–19 model X4 (F26), OEM 66539475687; also compatible with 06939054201 and 07921399001. Provides 1280×720 resolution NTSC video, supports normal and mirrored image, displays rear obstacles clearly during reversing. Replacement medium; remove trunk panel and replace the entire camera assembly; plug-and-play interface, no wire-cutting; recommended to be performed by a technician familiar with BMW electrical systems to avoid fault codes.