All of the bearings that we supply are high quality OEM Japanese/German Bearings. Highly recommended when installing a new Differential. These are NOT available from BMW. Prices are per pair MFACTORY BMW FITMENT GUIDE E36/E39/E46 All Fitments - THE LSD IS A DIRECT BOLT ON REPLACEMENT E8X/E9X/E60 non 35-i - THE LSD IS A DIRECT BOLT ON REPLACEMENT E8X/E9X/E60 35i AT - THE LSD IS A DIRECT BOLT ON REPLACEMENT E8X/E9X/E60 35i MT < 03/2007 (inc. 335d) - THE LSD IS A DIRECT BOLT ON REPLACEMENT E8X/E9X/E60 35i MT > 03/2007 (inc. 335d) - THE LSD REQUIRES EITHER THE OE CROWN WHEEL TO BE WELDED TO IT OR A NEW MFACTORY FINAL DRIVE FITTED (MF-TRS-02E25, MF-TRS-02E28, MF-TRS-02E31) E8X/E9X/E60 35i DCT - THE LSD REQUIRES EITHER THE OE CROWN WHEEL TO BE WELDED TO IT OR A NEW MFACTORY FINAL DRIVE FITTED (MF-TRS-02E25, MF-TRS-02E28, MF-TRS-02E31) F20/F30 All Fitments - THE LSD REQUIRES EITHER THE OE CROWN WHEEL TO BE WELDED TO IT OR A NEW MFACTORY FINAL DRIVE FITTED (MF-TRS-02E25, MF-TRS-02E28, MF-TRS-02E31)