Delphi TD1638W Suspension Control Arm Bushing - Front Forward, Front Left Forward or Front Right Forward

OE-Style Front Control Arm Bushing

Delphi TD1638W is a standard replacement suspension control arm bushing built for front forward applications on select BMW models. It is engineered using OE-level dimensional and material analysis to support proper fit and consistent suspension performance on BMW 230i xDrive, 330i xDrive, 430i xDrive, 440i xDrive, and related xDrive applications.

Delphi applies OE safety technology and aftermarket steering expertise to this bushing, with validation that includes extreme temperature exposure below -40°C and above 120°C, plus 720 hours of salt spray testing. The result is a front suspension bushing replacement focused on compatibility, durability, and repeatable fitment.

• Standard replacement suspension control arm bushing for front forward positions
• OE-style fitment support for BMW front left forward and front right forward applications where listed
• Tested for temperature extremes and corrosion resistance
• Built using dimensional and material analysis for OE-to-aftermarket compatibility
• Interchange reference: 31 12 6 854 729
• Part number: TD1638W

Detailed Fitment and Application

Compatible with a wide range of BMW xDrive vehicles from 2013-2020, this bushing is used in front suspension control arm locations where precise bushing geometry matters. Fits 2013-2018 BMW 320i xDrive, front right and front left; fits 2013-2016 BMW 328i xDrive, front right and front left; fits 2014-2016 BMW 428i xDrive, front right and front left; and fits 2017-2019 BMW 430i xDrive, front right and front left. It also covers applications such as BMW 230i xDrive, 330i GT xDrive, 340i xDrive, 440i xDrive, M235i xDrive, and M240i xDrive in the listed front positions. Part number TD1638W is a direct service option for front suspension repair on these BMW platforms.

Common Issues This Part Addresses

• Front suspension looseness or play from a worn control arm bushing
• Clunking or knocking noises from the front suspension over bumps
• Uneven tire wear caused by degraded bushing support
• Steering wander or reduced front-end stability
• Vibration or harshness transmitted through the control arm

Installation Notes

Verify the exact position before ordering, since this part is listed for front forward, front left forward, and front right forward applications depending on vehicle configuration. Confirm the BMW model, year, and drivetrain against the application tab before installation. Professional suspension service is recommended because control arm bushing replacement typically requires proper alignment checks after repair.

Quality Assurance

Delphi uses OE-focused engineering and validation methods for its aftermarket steering and suspension portfolio. TD1638W is tested for extreme temperature exposure and salt spray resistance, with compatibility supported by dimensional and material analysis for OE-style replacement performance.