BMW Z4 E85 2.5i 2.5si 3.0i N52 Manual 6 Speed Gearbox GS6-17BG 7629519 WARRANTY

Listing details

The gearboxes are sold with a 90-day warranty! They were tested before removal and are in full working order.

BMW Z4 E85 2.5i 2.5si 3.0i N52 Manual 6 Speed Gearbox GS6-17BG is an original, used transmission from the Manual gearboxes category, designed to work with the N52 engine in the BMW Z4 E85 model. The 6-speed design ensures precise gear ratios, good dynamics, and comfortable drivetrain operation during both daily use and more spirited driving.

Specifications and technical data

• SKU: 7629519
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7629519
• Substitutable numbers: 23007629519, 7629519, 23007575052, 23007565908, 7575052, 7565908
• Gearbox type: Manual
• Category: Manual Transmission

Technical characteristics and intended use

The presented GS6-17BG gearbox belongs to the BMW Manual gearboxes group and was designed to work with the N52 engine in the Z4 E85 roadster. The 6-speed design allows for optimal gear ratios, which translates into efficient acceleration, stable RPM at highway speeds, and better control over the engine's performance characteristics.

The manual shifter system provides a direct, mechanical connection to the transmission, which is valued by drivers who prefer a classic, analog driving experience. The gearbox is suitable both as a replacement part in case of failure and for professional drivetrain restoration in a BMW Z4 E85 with an N52 engine.

Construction and performance features

The manual design of the GS6-17BG transmission was developed to handle the torque of the N52 unit while maintaining appropriate durability and operational refinement. The use of six gears enables:

• precise gear selection to match current driving conditions,
• maintaining a favorable engine RPM range,
• reducing stress during long-distance driving at constant speeds.

Thanks to the factory BMW design, the gearbox works with the vehicle's original equipment, which facilitates installation and integration with the existing drivetrain. The manual gearbox type also favors easier diagnostics and servicing compared to more complex automatic designs.

Application in BMW Z4 E85 N52

The GS6-17BG gearbox is intended for use in the drivetrain of the BMW Z4 E85 with an N52 engine, where it is responsible for transferring power from the engine to the rear axle. Using an original transmission from the same family allows for maintaining factory driving characteristics, including:

• consistent gear ratios with the engine's performance map,
• proper cooperation with the clutch system and driveshaft,
• compatibility with factory mounting points on the chassis.

This solution is recommended for repairs where maintaining original vehicle parameters and compatibility with other drivetrain components is crucial.

Benefits of choosing a used BMW gearbox

Choosing a used BMW gearbox with preserved OEM structure is a reasonable compromise between cost and functionality. You receive a component designed specifically for a given model and engine, without the need to adapt replacements with uncertain specifications. Original BMW construction promotes predictable vehicle behavior and facilitates the selection of accessories and consumables.

If you want to better understand how to safely and consciously choose used drivetrain components, including manual transmissions, it is worth reading our guide: Why it is worth buying used gearboxes and engines – facts instead of myths. You will find practical tips there regarding selection by OEM numbers, compatibility verification, and estimating repair cost-effectiveness.

Selection, compatibility, and other BMW Manual gearboxes

When selecting this gearbox for the BMW Z4 E85 N52, it is crucial to compare the transmission markings and the vehicle's drivetrain configuration to maintain full installation and functional compliance. In case of doubt, it is worth verifying the vehicle configuration by VIN number and consulting a mechanic specializing in the BMW brand.

If you are planning a comprehensive repair or upgrade of the drivetrain area in your BMW and need other components from the same group, such as housings, shifters, or mounting elements, check the available parts in the BMW Manual gearboxes category.