BMW 1 Z4 Series E81 E85 E87 130i N52 Manual 6 Speed Gearbox GS6-37BZ WARRANTY

Listing details

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

BMW 1 Z4 Series E81 E85 E87 130i N52 Manual 6 Speed Gearbox GS6-37BZ WARRANTY is a precise, six-speed transmission system designed to work with the N52 engine in the 130i version. Thanks to its manual design, it provides direct control over gear shifting, which translates into dynamic, predictable handling and good throttle response. This is a solution for users looking for a proven, used gearbox with factory performance characteristics.

Specifications and technical data

• SKU: 7565178-1
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7565178
• Substitutable numbers: 23007565178, 7565178, 23007565855, 7565855, 23007545319, 7545319, 23007562723, 7562723, H016
• Gearbox type: Manual
• Category: Manual Transmission

Purpose and characteristics of the GS6-37BZ gearbox

The GS6-37BZ model is a six-speed, manual gearbox designed to work with the N52 unit in the 130i version in BMW 1 Series E81 and E87 models, as well as the Z4 E85 roadster. The design of this transmission is optimized for the high revs and torque characteristic of the N52 engine, allowing for smooth acceleration and stable maintenance of engine speed throughout the entire operating range.

Six gears allow for precise gear selection in both city and highway driving, and properly spaced gear ratios help maintain favorable engine speeds. As a result, the gearbox performs well in both daily use and more dynamic driving.

Application in BMW 1 Series and Z4

This manual transmission has been developed with the specifics of the chassis and drivetrain in the BMW 1 Series E81/E87 130i and BMW Z4 E85 130i with the N52 engine in mind. This means it is properly matched to:

• the geometry of the drivetrain and body mounting,
• the characteristics of the N52 engine in the 130i version,
• the operating standards of the clutch system and driveshaft in these models.

As a result, the gearbox retains its factory shifting characteristics and, after proper installation, works with the remaining drivetrain components without the need for structural modifications.

Benefits of choosing a used BMW manual gearbox

Choosing a used GS6-37BZ gearbox for the BMW 130i N52 is a solution that allows you to combine repair cost control with maintaining the vehicle's original specifications. BMW manual gearboxes of this generation are valued for:

• mechanical simplicity compared to automatic transmissions,
• direct, predictable operation during gear changes,
• good compatibility with high-revving naturally aspirated engines.

With proper installation and the use of the correct transmission oil, the gearbox can provide long-term, stable operation while maintaining the driving characteristics typical of rear-wheel-drive BMW models.

Selection, compatibility, and technical aspects

Before purchasing this gearbox, it is worth verifying compatibility with the specific equipment version and vehicle year using the OEM part number and available interchangeable numbers in the technical specifications. This ensures that the transmission will work correctly with the existing clutch system, mounts, and vehicle electronics, if linked to gearbox operation.

As an item in the Manual gearboxes category, the GS6-37BZ is intended for installation in a vehicle equipped with a manual transmission system. When planning a replacement, it is recommended to simultaneously check the condition of the clutch, slave cylinder, mounting bushings, and drivetrain components to avoid the need for further intervention in the near future.

Expert support and additional information

If you are considering purchasing a used transmission and want to better understand the differences between manual and automatic gearboxes, as well as the cost-effectiveness of refurbishment versus replacement, it is worth reading the article Used gearbox – when is it worth it and what you need to remember. You will find practical tips on selection, compatibility, and the operation of such components there.

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 other manual transmissions, mating parts, or additional components, check the available parts in the BMW manual gearboxes category.