BMW F30 316i N47N 116HP Rear Left N/S Suspension Leg Brake Caliper Disc

Rear left suspension assembly with caliper and brake disc for BMW F30 316i N47N 116 HP is a complete, used service solution designed for the rear driver's side axle. The component combines suspension and braking system parts, allowing for a consistent, technically correct replacement of the entire assembly in a single repair process. This reduces the risk of part mismatch and speeds up workshop operations.

Specifications and technical data

• SKU: 6792521-7
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 6792521
• Substitutable numbers: 33326792521, 6792521, 34216850857, 6850857, 7624205, 33207624205, 34216792227, 6792227
• Weight: 150
• Location on the vehicle: Rear, Left
• Category: Suspension Component Replacement Kits

Application in BMW F30 316i N47N 116 HP

The presented rear left suspension assembly with caliper and brake disc has been designed for the specific configuration of the BMW F30 316i model with the N47N engine producing 116 HP. This means that the mounting geometry, hole spacing, and operating characteristics are adapted to the factory design specifications of this model, which translates to proper vehicle handling and driving stability.

Its placement on the vehicle is limited to the rear axle on the left side, making it ideal for collision repairs, replacement of worn suspension components, or restoring factory drivetrain parameters after prolonged use.

Assembly Structure and Function in the Drivetrain

The kit includes the rear left suspension strut (leg) along with braking system components – the caliper and disc. This combination allows for:

• simultaneous replacement of key components responsible for wheel guidance and braking,
• maintaining technical consistency between the suspension and braking system,
• reducing the number of separate assembly operations.

The integration of the suspension strut with the caliper and disc also facilitates checking the condition of the entire assembly on the workshop bench before installation in the car. The mechanic can inspect for play in the mounts, the condition of the disc's working surfaces, and the smooth operation of the caliper, which contributes to hassle-free installation and subsequent operation.

Benefits of Using a Complete Suspension Replacement Kit

The product belongs to the category of Suspension Replacement Kits, which in practice means it is designed for comprehensive servicing of a single wheel mounting point. Compared to replacing individual parts separately, such a kit allows for:

• reduced diagnostic time – most components in a given corner of the vehicle are replaced simultaneously,
• minimized risk of wear differences between old and new components,
• more predictable vehicle behavior during braking and cornering.

Additionally, using a complete assembly is particularly beneficial for post-accident repairs, where restoring the original suspension geometry and correct wheel alignment relative to the body is crucial.

Condition, Origin, and Installation Aspects

The part is used, which for original BMW components often represents a reasonable compromise between cost and quality. You receive a factory component with the original design intended by the manufacturer, which promotes proper fitment to the steering knuckle, hub, and other rear axle components. The used nature of the part requires standard workshop verification before installation (inspection of the disc surface, caliper operation, mounting points).

The weight of the assembly is typical for a complete suspension component with a braking system, so it is advisable to use a lift and appropriate supports during installation. Proper tightening of the mounting bolts and subsequent rear axle alignment will allow for full utilization of this kit's potential in daily operation.

Selection and Compatibility by Part Numbers

The product has a dedicated OEM part number and associated interchangeable numbers, which facilitates unambiguous identification in BMW catalogs and service systems. When selecting for a specific F30 316i N47N 116 HP unit, it is recommended to compare the factory number with the number found on the removed part or in the vehicle's service documentation. This approach minimizes the risk of purchasing an incorrect variant and ensures full compatibility with the car's factory configuration.

If you are planning a comprehensive repair or upgrade of the rear axle suspension area in your BMW and need other parts from the same group, such as suspension struts, control arms, or additional mounting assemblies, check the available parts in the BMW Suspension Replacement Kits category.

For drivers also considering used premium components for other brands, including solutions for air suspension or comfort electronics, a guide on our blog will be helpful: used Mercedes parts – original components from dismantling, which discusses the practical aspects of choosing original second-hand parts.