
The SHW BFL42501 is a cross-drilled lightweight left front brake rotor for 2018-2021 BMW M5 4.4L. It measures 395 x 36 mm, weighs 15 kg, and is made in Germany. SHW lists OEM reference 34117991101 for this application. It is a straightforward vehicle-specific replacement choice for a brake refresh when you want the correct rotor position, dimensions, and configuration clearly identified.
If the existing disc is worn, scored, heat-checked, damaged, or otherwise due for replacement, confirming the correct rotor specification is an important part of the brake service. This SHW rotor is specified with lightweight construction and a cross-drilled friction surface. Verify the detailed fitment, axle/side, rotor size, and OEM reference before ordering, especially on vehicles offered with multiple brake or wheel packages.
Key Features & Specs:
Fitment: