BMW 3 E46 Rear Axle Suspension Diff Carrier Support Subframe Cradle Diesel

The BMW 3 E46 Rear Subframe Differential Mount for Diesel engines is a component within the category of longitudinal body frame parts and mounts, designed to transfer loads from the rear suspension and differential to the car body. A properly selected mount ensures stable vehicle handling, correct rear axle geometry, and safe operation of the drivetrain.

Specifications and technical data

• SKU: 6770830
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 6770830
• Substitutable numbers: 33316770830, 6770830, 33316767003, 6767003, 33316758738, 6758738, 33311096695, 1096695, BG
• Location on the vehicle: Rear
• Fuel type: Diesel
• Category: Frame Rails & Subframes

Purpose and Function in BMW 3 E46

The rear suspension subframe mount with differential plays a crucial structural role in the BMW 3 Series E46 with a Diesel engine. It connects suspension components, the differential, and the body, being responsible for:

• transferring driving forces from the differential to the body without undesirable deformations,
• maintaining correct rear axle geometry during acceleration, braking, and cornering,
• stable mounting of the differential in the drivetrain of diesel versions,
• reducing stress acting on suspension and body mounting points.

By maintaining appropriate structural rigidity, the mount contributes to predictable vehicle behavior, especially in cars with higher torque typical of diesel engines.

Construction and Fitment for Diesel Versions

The presented component belongs to the group of longitudinal body frame parts and mounts, specifically designed for the BMW 3 E46 powertrain with a diesel engine. The mount's construction is adapted to:

• the specific arrangement of differential mounting points in diesel versions,
• loads generated by higher torque compared to petrol engines,
• compatibility with factory rear suspension components used in the E46.

Proper fitment to the E46 platform allows for installation without modifying the body structure, while maintaining factory mounting points and the suspension's intended operating characteristics.

Benefits of Using an Original Mount

Using an original rear subframe differential mount in the BMW 3 E46 Diesel offers a range of practical operational benefits:

• maintaining factory body rigidity in the rear axle area,
• reducing the risk of cracks and deformations in the differential mounting zone,
• ensuring correct suspension operation during dynamic driving and full load,
• compatibility with original mounting points and rear suspension hardware.

This solution is particularly recommended for repairs after mechanical damage, rear axle refurbishment, or restoring the car to its factory specification.

Verification of Compatibility by OEM Numbers

To select the correct rear subframe mount for a specific BMW 3 E46 diesel version, it is advisable to use the OEM number and interchangeable part numbers assigned to this component. This allows for precise confirmation of the part's compatibility with the specific body and drivetrain configuration, minimizing the risk of purchasing an incorrect component.

If you want to check step-by-step how to correctly verify components by numbers, the following guide will be useful: Risk-Free Online Parts Shopping – 5 Ways to Verify OEM Numbers and Select BMW Components. You will find practical tips there on checking the compatibility of, among others, differentials and suspension components.

Other Longitudinal Body Frame Parts and BMW Mounts

If you are also looking for other longitudinal body frame parts and BMW mounts for your car, check out our dedicated offer: BMW Longitudinal Body Frame Parts and Mounts. You will find a wide selection of structural components tailored to various models of this brand.

Summary

The BMW 3 E46 Diesel Rear Subframe Differential Mount is a technically adapted structural component designed for the diesel versions of this model. It is responsible for stable differential mounting, correct rear suspension operation, and predictable vehicle behavior in daily use. It is a sensible choice for drivetrain repairs and rear axle refurbishment on the BMW 3 Series E46.