Fuel Tank Breather Valve 13907643106 13907645860 Compatible with BMW 1 2 3 4 5 6 7 8 Series X3 X4 X5 X6 X7 Z4 is up for auction in Automotive. The current bid is $1.00, 98% below the $41.99 MSRP, in New/Like New condition. This auction has ended — similar items appear in live auctions regularly.