Wavetrac Differential - BMW / M3 / M4 / M5Wavetrac Differential BMW M2, M2C F1X M3, M4 F8X M5 F9X 210 e diff [re map required]Cover plate, snap rings, and hardware includedAll welded OEM gear assemblies require machinework and installation kits, sold separately. Installation of Wavetrac requires actuator removal and ECU re map to disable factory e diff system. Wavetrac diffs are state of the art helical gear differentials designed, developed, and manufactured in the USA by Autotech Driveline.

34-21-6-887-576 / 34 21 6 887 576 / 3421688757634-21-8-099-354 / 34 21 8 099 354 / 3421809935434-21-2-284-989 / 34 21 2 284 989 / 3421228498934-21-6-855-474 / 34 21 6 855 474 / 3421685547434-21-6-876-422 / 34 21 6 876 422 / 34216876422

- (2) Turbo Mounting Bolt M6x45 (Genuine)

OE Part #   31-12-6-855-743 / 31 12 6 855 743 / 31126855743

With these replaceable friction plates there is no need to replace the entire flywheel when the clutch or flywheel is at the end of it's life

- Valve Cover Grommet (Elring)

You don’t have to be satisfied with a fixed lowering as you can adjust the height with the KW height adjuster even after the kit has been installed

Made with CSF’s AC Condenser Technology Using a 1-Row Super-High Pressure 26mm Multi-Channel Microtube

Fill up those Volkswagen center caps with Oryx White Pearl and add an epic design element

(2) 39mm fuse style HIGH Intensity (Front Visor Lights)

Easy Installation: Factory Designed Configuration

The rotation of the discs and vanes play an important role in brake cooling as it acts as a pump to move air and unlike the OEM brake discs

B8-S5s with the 4