BMW E86 Gearbox Performance and Specifications

The BMW E86 gearbox stands as a benchmark in performance engineering, delivering precision and power for enthusiasts seeking a dynamic driving experience.

The E86 series features a robust 6-speed manual transmission engineered for responsive shifts and high torque delivery. With optimized gear ratios tailored for spirited driving, the gearbox balances acceleration and top speed, making it ideal for track-focused M3 and M5 models. Each gear ensures smooth power transfer, enhancing both everyday usability and track performance.

The E86 employs a time-tested 6-speed manual gearbox with sequential shift patterns designed for driver engagement. Pairing a strong 5.0-liter V8 or 4.4-liter V8 engine with this transmission delivers linear power delivery and precise throttle response. The gearbox’s durability supports sustained high-performance driving, whether on winding roads or race circuits.

Proper maintenance of the E86 gearbox includes regular fluid changes, inspected clutch packs, and timely gear lubrication to prevent wear. Common upgrades involve high-strength synchronizers and upgraded shafts to improve shift quality and longevity. Addressing issues like gear slippage early ensures reliable performance and preserves the vehicle’s value.

Mastering the BMW E86 gearbox transforms every drive into an exhilarating experience. Whether modifying or preserving factory integrity, understanding its mechanics empowers drivers to extract maximum performance. For those seeking authenticity and power, the E86 gearbox remains a timeless choice—perfect for enthusiasts ready to push limits.

The first generation of the BMW Z4 consists of the BMW E85 (roadster version) and BMW E86 (coupe version) sports cars. The E85/E86 generation was produced from 2002 to 2008. The E85/E86 replaced the Z3 and is the third model in the BMW Z Series.

Initial models were in the roadster (E85) body style, with the coupé (E86) body style being added. BMWPartsDeal.com offers the wholesale prices for genuine 2008 BMW Z4 Coupe 3.0si (E86) parts. Parts like Manual Transmission GS6-37BZ/DZ are shipped directly from authorized BMW dealers and backed by the manufacturer's warranty.

2006-2008 E85 E86 BMW Z4 3.0i 6 Speed Manual Transmission / GS6-17BG / 121k Donor Car: 2006 BMW E85 Z4 3.0i Convertible - 121K Functionality: In good working condition, fully tested prior to removal from the vehicle. Transmission was able to be shifted through each gear with no odd noises or whining. Fluids has been drained with no abnormalities.

Mount the shift rod half prepared in this way to the gearbox using the gearbox adapter. We recommend inserting a 5 mm Allen key (as shown in Picture 19 on page 5) between the adapter and the fork to prevent the adapter from tilting and to be able to align the shift rod in the center tunnel and press in the dowel pin. BMW Z4 E85/E86 Repair manuals English 378 kB Table of Contents E85 Transmissions Subject Page E85 Transmissions 3 Transmission Codes.3 GS6 37BZ Manual Transmission.6 6 Speed Power Flow.10 Workshop Hints.14 Sequential Manual Gearbox SMG 6 Speed.15 System Components.16 Workshop Hint.

E85 GS6-37BZ Manual Transmission (if equipped) The GS6-37BZ 6-speed manual transmission (H-gearbox) is used in the E85 with the M54B30 engine. The gearbox is designed by Zahnradfabrik Friedrichshafen (ZF) and built and supplied by ZF and Getrag. This is why the gearbox designation bears the endings of both "Z" and "G." The changes to the GS6.

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Used BMW Getrag 6 speed manual transmissionfor the E85 and E86 Z4 3.0Si. Getrag Part Number: GS6-37BZ - TJES. BMW E85 E86 Z4 3.0Si 6-Speed Manual Transmission.

Chassis: E85, E86. Model: Z4 3.0Si. BMW Part Number: 23 00 7 565 178.