BMW ATC35L / ATC450 / ATC45L Transfer Case Output Flange

BMW Transfer Case Output Flange — Fix Drivetrain Play, Vibration & Worn Splines If your BMW xDrive has developed drivetrain play, vibration, clunking or a loose connection between the transfer case and driveshaft, a worn output flange is often the cause. This precision replacement part restores a tight spline fit and helps eliminate slack in the drivetrain. Designed for BMW models equipped with ATC35L, ATC450 and ATC45L transfer cases, this output flange is a direct repair solution for worn spline connections and unstable torque transfer. It is an ideal fix for vehicles showing play at the transfer case output or symptoms of flange wear under load. Replaces OEM part numbers: 27107595650, 27107645468 Key Features Direct replacement output flange for BMW transfer cases using this flange design. Fixes worn spline connection between transfer case and driveshaft. Restores tight drivetrain engagement and reduces play under load. Helps reduce vibration and clunking caused by flange wear. Suitable for xDrive repair work on ATC35L, ATC450 and ATC45L applications. Common Problems This Fixes Drivetrain play between transfer case and prop shaft Clunking during take-off or load changes Worn or loose spline connection Vibration felt through the drivetrain Noise from transfer case output area OEM References Main OEM part numbers replaced: 27107595650 27107645468 Compatible transfer-case OE references include: ATC35L: 27107649718, 27108643150, 27108662968 ATC450: 27107643751, 27107643752, 27107643753, 27108697972, 27108697973, 27108697974 ATC45L: 27107643758, 27107643759, 27107649182, 27108643151, 27108643152, 27108697255, 27108697256, 27108697257 Important: fitment should always be confirmed by transfer-case type or OEM reference, not only by vehicle model. Fitment Compatible with BMW models that may use ATC35L, ATC450 or ATC45L transfer cases: 1 Series — BMW 1 Series xDrive applications 2 Series — BMW 2 Series xDrive applications 3 Series — BMW 3 Series xDrive applications 4 Series — BMW 4 Series xDrive applications 5 Series — BMW 5 Series xDrive applications 6 Series — BMW 6 Series xDrive applications 7 Series — BMW 7 Series xDrive applications X1 — BMW X1 X3 — BMW X3 X4 — BMW X4 X5 — BMW X5 X6 — BMW X6 ATC35L typical use BMW 1, 2, 3, 4, 5 series from around 2011 onward ATC450 typical use BMW X5 2010–2012, X6 2010–2012, X3 2010–2011 ATC45L typical use BMW X5 2012→, X6 2012→, X3 2012→, X4 2012→ *Compatibility varies by transfer-case version. Please confirm using OEM number or transfer-case type before ordering. What You Are Replacing This product replaces the rear output flange used in selected BMW xDrive transfer cases. The reference kit shown by AWD.tech includes the flange together with an O-ring, retaining ring and shim set for applicable transfer-case families.