BMW 1 E87N 116i N43 Front Left N/S spring strut brake suspension leg hub axle

The BMW E87 LCI Front Left Knuckle 116i N43 is an original suspension component from the Suspension Replacement Kits category, designed for installation on the front left axle. This is a solution for users who want to restore proper suspension geometry and driving stability by using a factory BMW component with a proven design.

Specifications and technical data

• SKU: 6771553-4
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 6786017
• Substitutable numbers: 31316786017, 6786017, 31316771553, 6771553, 31216793923, 6793923, 31216764443, 6764443, 34116854996, 6854996, 34116764629, 6764629, 34116774681, 6774681, 34116768185, 6768185, 34116773021, 6773021
• Location on the vehicle: Front, Left
• Category: Suspension Component Replacement Kits

Intended Use and Fitment for BMW E87 LCI 116i N43

The knuckle is specifically designed for the BMW 1 Series E87 facelift (LCI) models with the N43 engine in the 116i version, for the front left side. This ensures a precise fit with factory mounting points for the shock absorber, hub, control arm, and braking system components, facilitating installation and minimizing geometry-related issues.

By using the original BMW design, compliance with factory suspension parameters is maintained, resulting in predictable vehicle behavior, correct wheel alignment, and stability during braking and cornering.

Construction and Function of the Front Left Knuckle

The front left knuckle in the BMW E87 LCI plays a crucial role in transferring loads between the wheel and the suspension, and in guiding the wheel relative to the body. This component:

• provides a rigid mounting point for the wheel hub and bearing,
• connects the suspension strut to the control arm and steering system components,
• ensures the correct setting of kingpin inclination and caster angles,
• influences steering precision and even tire wear.

Choosing an original knuckle from this series allows for the preservation of factory stiffness and suspension operating characteristics, which is particularly important in BMW vehicles where the chassis significantly impacts the perceived driving dynamics and comfort.

Benefits of Using an Original Used Knuckle

This part is sourced from dismantling, offering a sensible compromise between cost and quality. Compared to aftermarket alternatives of unknown origin, an original BMW knuckle provides:

• factory fitment to the body and other suspension components,
• preservation of the original driving characteristics typical for the BMW 1 Series,
• direct installation without structural modifications,
• compatibility with the braking and steering systems designed for the 116i N43 version.

This is a good solution for collision repairs, replacing a damaged knuckle, or restoring the vehicle to its original technical condition as intended by the manufacturer.

Vehicle Placement and Role in the Suspension System

The knuckle is intended for the front left side of the vehicle, which is important for both part selection and subsequent geometry alignment. A correctly chosen component allows for:

• maintaining the correct wheel position relative to the body,
• ensuring proper cooperation with the shock absorber, spring, and control arm,
• minimizing vibrations transferred to the body,
• maintaining straight-line stability at higher speeds.

After installation, professional wheel alignment is recommended to fully utilize the potential of the BMW suspension design.

Category: BMW Suspension Replacement Kits

If you are looking for other components from the BMW Suspension Replacement Kits category for your car, check out the BMW Suspension Replacement Kits available in our store to assemble all the necessary components for a comprehensive chassis repair.

More About Premium Used Parts

When choosing used suspension components, it's worth understanding the specifics of the premium brand parts dismantling market. We discuss these topics further in an article about Mercedes components, which shows how to wisely use original used parts and what to look for when purchasing. We encourage you to read: used Mercedes parts – original parts from dismantling.