Here’s a description you can use:

BMW F30 Diesel Right-Hand Drive Steering Rack

The steering rack is an electric power steering (EPS) unit designed for the BMW 3-Series F30 diesel models (2012–2019, RHD). It replaces the traditional hydraulic system with an electronic motor-driven rack, providing more precise steering response, lighter weight, and improved fuel efficiency.

• Fits: BMW F30 diesel variants (316d, 318d, 320d, 325d, 330d, 335d) with right-hand drive.
• Type: Electric power steering rack (EPS)
• Function: Transfers steering input from the steering wheel to the wheels, assists with electronically controlled steering boost.
• Features: Integrated steering motor, electronic control unit, tie-rod connection points, and mounting brackets.
• Common issues: EPS motor faults, electronic control failure, noise, or stiffness.

Would you like me to make this into a short marketplace-style listing description (easy for selling), or a detailed technical description (good for workshop/parts catalog)?