Transfer Case Assembly ATC13-1 for BMW 3 Series, 5 Series, 6 Series, 7 Series, X3, X4, X5, X6 and X7 Cars (2015–2023)

Part Name: Transfer Case

Part Number: ATC13-1

Vehicle Compatibility: Cars & Trucks using a compatible transfer case layout that matches ATC13-1 mounting pattern and input/output connection type; suitable for drivetrain replacements, conversions, and performance builds where the ATC13-1 specification is required; confirm flange/spline compatibility before purchase.

Configuration: Complete high-performance transfer case unit engineered for higher-load torque transfer; designed for durable engagement and consistent drivetrain performance under demanding conditions; supplied as a replacement assembly depending on application requirements.

Function: Transfers and manages torque distribution through the drivetrain to support traction and stable handling; built to maintain smooth power delivery during acceleration and varying surface conditions; helps reduce driveline stress where the original unit is worn or under-spec.

Technical Specifications

Type: High-Performance Transfer Case Assembly

Material: Heavy-duty housing with internal drive components (construction varies by manufacturer)

Application: Fits vehicles/builds requiring ATC13-1 specification transfer case compatibility (mounting, input/output, and ratio dependent)

Cross-Reference: ATC13-1

Installation: May require custom-fitment depending on drivetrain layout; professional driveline setup recommended (alignment, mounting, and correct fluid fill are essential)

Service Interval: Inspect during drivetrain servicing or when symptoms occur (noise, leaks, vibration, binding, or engagement issues)

Delivery & Availability

Stock Options: Available

Delivery Time: 3–7 days internationally