Section 398 (EGR Function Testing - Diesel BMW)

WARNING: This page does not describe the selected car, but rather 20 other vehicles, including the 2015 BMW X5, 2015 BMW X3, 2015 BMW 740Ld xDrive, 2015 BMW 535d xDrive, and 2015 BMW 535d. However, it is still accessible from the selected car via links, so may be relevant.