BMW E46 Rear Axle Differential Diff 3,38 Ratio 1428168 7559330 WARRANTY

Listing details

The differential is sold with a 90-day warranty! It was tested before removal and is in full working order.

BMW E46 Rear Axle Differential Diff 3,38 Ratio is an original drivetrain component from the Differentials category, designed for installation on the vehicle's rear axle. It ensures precise torque transfer to the wheels, which translates into stable handling and predictable vehicle behavior. This solution is dedicated to users looking for a proven, factory-spec component for their BMW.

Specifications and technical data

• SKU: 7559330-1
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7559330
• Substitutable numbers: 7559330, 33107559330, 1428169, 33101428169, 1428168, 33101428168
• Location on the vehicle: Rear
• Category: Differentials

Purpose and function of the BMW E46 differential

The presented rear axle is responsible for distributing drive to the rear wheels and compensating for rotational speed differences when cornering. In rear-wheel-drive BMW models, this is a key element affecting:

• traction during acceleration and engine braking,
• handling stability in corners,
• drivetrain comfort at various speeds.

A properly selected differential ratio allows for a balanced vehicle character – between acceleration dynamics and driving comfort at higher engine speeds.

Construction and technical characteristics

The rear axle in the BMW E46 is a closed construction, adapted to work in demanding road conditions. The applied gear ratio configuration ensures:

• smooth torque transfer to the rear wheels,
• appropriate acceleration characteristics in typical road conditions,
• stable drivetrain operation during long-term use.

The differential is mounted in the rear part of the chassis, in the drivetrain axis, working in conjunction with the driveshaft and half-shafts. This configuration is typical for classic rear-wheel-drive BMWs, which facilitates service and potential replacement in a workshop.

Practical application and vehicle matching

When choosing the BMW E46 Rear Axle Differential Diff 3,38 Ratio, it is worth paying attention to compatibility with the specific engine version and transmission of the vehicle. Proper gear ratio matching has a direct impact on:

• throttle response and flexibility in lower gears,
• engine RPM at highway speeds,
• fuel consumption in daily use.

This solution will work well both for standard city and suburban driving, as well as for a more dynamic driving style typical of BMW 3 Series users.

Condition, origin, and benefits of installation

The offered differential is a secondary market component, which allows for an economical repair of the drivetrain while maintaining the factory design. Installing an original rear axle from disassembly means:

• preserving the characteristic handling of the BMW E46,
• compatibility with factory mounting points and accessories,
• the ability to restore proper drivetrain operation without costly modifications.

For workshops and individual users, this means predictable installation time and easier diagnostics in the future.

More about gear ratios and drive axles

To better match the differential to your driving style and vehicle configuration, it is worth familiarizing yourself with practical tips regarding gear ratios, compatibility, and typical configurations in various models. A detailed discussion can be found in the article: Drive axles and differentials from disassembly – how to choose ratios for your driving style.

If you are planning a comprehensive repair or upgrade of the drivetrain area in your BMW and need other elements from the same group, such as additional axles, differentials, or related components, check the available parts in the BMW Differentials category.