BMW F46 216d B37 Front Suspension Leg Brake Caliper Wheel Carrier Left N/S

BMW F46 216D B37 Suspension Leg Brake Caliper Steering Knuckle Left Front is a complete, used set of front suspension components designed for the front axle on the left side. The set combines a suspension leg, steering knuckle, and brake caliper, which facilitates servicing and speeds up the replacement of damaged components in the BMW 2 Series Active Tourer F46 with a B37 engine.

Specifications and technical data

• SKU: 6857463-1
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 6857463
• Substitutable numbers: 6857463, 31316857463, 6887341, 31306887341, 6876645, 31216876645, 6860264, 34116860264, 8835362, 34118835362
• Location on the vehicle: Front, Left
• Category: Suspension Component Replacement Kits

Purpose and Fitment for BMW F46 216D

The presented set is designed as a component of the BMW F46 216D running gear, intended for installation on the front axle on the left side. Integrating the suspension leg, steering knuckle, and brake caliper into one unit simplifies maintaining consistent geometry and correct positioning of the hub, disc, and brake pads relative to each other.

Placement on the vehicle in the front left wheel area is crucial for:

• maintaining correct suspension geometry after repair or collision,
• driving stability during braking and cornering,
• even operation of the braking system on the driver's side.

Construction of the Suspension Replacement Kit

The product belongs to the Suspension Replacement Kits category, meaning it includes key elements responsible for wheel guidance and transferring loads from the body to the road. The following are combined in one module:

• suspension leg – responsible for cooperation with the shock absorber and spring,
• steering knuckle – serving as the central mounting point for the wheel hub and control elements,
• brake caliper – ensuring proper pressing of the pads against the disc and effective deceleration.

This configuration promotes consistent part selection after accident repairs and when replacing worn suspension and brake components.

Benefits of Using a Used BMW Set

The offered component comes from the BMW line, which translates to factory-level fitment for the F46 216D front suspension structure. Using an original, used set allows for:

• maintaining dimensional accuracy with the factory suspension and braking system,
• reducing repair costs compared to purchasing new components,
• efficient restoration of full functionality to the vehicle's front left corner.

The used condition offers a good compromise between price and maintaining the original driving characteristics typical of BMW, while also ensuring high precision in the braking system's operation.

Application in Servicing and Accident Repairs

The BMW F46 216D B37 Suspension Leg Brake Caliper Steering Knuckle Left Front is particularly suitable for situations where multiple components have been damaged simultaneously – for example, after hitting a curb, a side collision, or significant suspension load. Using a complete set:

• simplifies the installation process compared to selecting individual parts,
• reduces the risk of incompatibility between individual suspension and brake components,
• facilitates geometry alignment after the repair is completed.

This solution is recommended for workshops specializing in the BMW brand as well as for users seeking a technically consistent set for replacing the front left suspension corner.

BMW Suspension Replacement Kits – Fitment and Technical Knowledge

If you are looking for other BMW suspension replacement kits for similar servicing applications, check out our dedicated category: BMW suspension replacement kits. There you will find a wide selection of kits designed for various models of this brand, which will help you choose the right solution for a specific repair.

Want to better understand how to effectively use used components in premium cars and how to combine them with suspension modifications? Read the article on our blog Audi on used parts – tuning and repairs without quality loss, where we discuss a practical approach to using used elements in repairs and tuning of German brand cars.