BBB Industries 306-0103 Rack and Pinion Assembly

Overview of BBB Industries Reman Rack and Pinion Assembly

The BBB Industries Reman Rack and Pinion Assembly 306-0103 is designed for precise steering control in select BMW models. This remanufactured hydraulic rack and pinion unit includes inner tie rods and is engineered to meet OEM specifications for reliable performance.

• Remanufactured hydraulic rack and pinion assembly
• Compatible with BMW 318i, 318is, 318ti, 323i, 323is, 325i, 325is, 328i, 328is, M3, and Z3 models
• Includes inner tie rods; outer tie rods and bushings not included
• Distance between mounting holes: 9.25 inches (234.95 mm)
• Input shaft diameter: 0.625 inches (15.878 mm), length: 2.375 inches (60.325 mm)
• Rack length: 38.75 inches (984.25 mm)
• Pressure and return port thread size: M16x1.50
• Turns lock to lock: 3.375

Details on the Reman Rack and Pinion Product Line

The Reman Rack and Pinion line from BBB Industries focuses on remanufactured steering components that restore original steering feel and function. This product line ensures that each rack and pinion assembly undergoes a thorough remanufacturing process, including inspection and replacement of worn parts, to provide a cost-effective alternative to new units while maintaining quality standards.

Technical Description and Specifications

This rack and pinion assembly is hydraulic, designed specifically for BMW vehicles listed in the fitment. It features a 9.25-inch distance between mounting holes and a rack length of 38.75 inches, ensuring proper fit and alignment. The input shaft measures 0.625 inches in diameter and 2.375 inches in length, compatible with the steering column interface of the specified BMW models. The assembly includes inner tie rods but does not include bushings or outer tie rods, which may need to be sourced separately. The pressure and return ports use M16x1.50 thread sizes, suitable for hydraulic steering fluid connections. The steering ratio is reflected in the 3.375 turns lock to lock, providing responsive steering control.

Common Applications and Problem Resolution

• Replacement for worn or leaking hydraulic rack and pinion units in BMW 3 Series and Z3 models
• Corrects steering play or looseness caused by internal rack wear
• Resolves hydraulic fluid leaks from pressure or return ports
• Improves steering response and reduces steering effort
• Addresses noise or binding issues in the steering system

Installation Notes and Tips

• Verify compatibility with your specific BMW model and year before installation
• Inspect and replace outer tie rods and bushings as needed, since they are not included
• Ensure hydraulic lines match M16x1.50 thread size for proper connection
• Bleed the hydraulic steering system thoroughly after installation to remove air
• Check alignment after installation to maintain proper steering geometry

Quality Assurance and Warranty

BBB Industries remanufactured rack and pinion assemblies undergo comprehensive testing to meet OEM standards. Each unit is inspected for leaks, wear, and proper function before shipment. While specific warranty details are not provided here, BBB Industries typically offers limited warranties on remanufactured steering components. Consult product documentation or the manufacturer for exact warranty terms.