Bmw E63 Gearbox
By the Editorial Staff
March 16, 2026
The second generation of the BMW 6 Series consists of the BMW E63 (coupe version) and BMW E64 (convertible version) grand tourers. The E63/E64 generation was produced by BMW from 2003 to 2010 and is often collectively referred to as the E63. The E63 uses a shortened version of the E60 5 Series chassis and subsequently shares many features.
The SMG system developed by the BMW M GmbH for the E60 M5 and E63 M6 is the latest but also last generation. Distributed under the name SMG III, the sequential gearbox features 7 gears and promises 20% faster shifting times compared to the predecessor from the E46 M3. Discover common problems with the E63 BMW 6 Series, including engine, electronics, and transmission issues.
Learn about its reliability. BMW E60 E61 E63 E64 E87 E90 E91 E92 330i 530i N52 Manual 6 Speed Gearbox GS6-37BZ WARRANTY. This part is compatible with E90 E91 330i 3 series, E60 E61 530i 5 series and E63 E64 630i 6 series models with N52 Engines produced before 03/2007.
Genuine BMW Parts, the Right Choice BMWPartsDeal.com offers the wholesale prices for genuine 2006 BMW M6 Coupe (E63) parts. Parts like Manual Gearbox GS6-53BZ are shipped directly from authorized BMW dealers and backed by the manufacturer's warranty. Parts fit for the following vehicle options.
BMW E63 650i N62 4.8L SMG Transmission Parts Electrical Fluid Mount Pump Rebuild Components Shifter Sort By Return to Top. Home Shop Gear Boxes BMW M6 (E63) manual gearbox GS6. BMW 6 Series II E63 E64 cars replaced the E24 model on the assembly line.
Just don't confuse them with the Mercedes E63 AMG, the main competitor of the BMW M5. The first to be introduced was the coupe. The car in this body, with the index E63, the public saw in 2003 at the Frankfurt Motor Show.
The convertible, E64, was shown by the concern to the general public in Detroit a year later. The springs together with the mounting assembly and stabilizer bar are the same as on the E60 M5 but adapted to the specific requirements of the E63 M6. Final Drive The final drive unit is the same as the M-limited slip differential of the E60 M5.
Gear ratio E63 M6: I = 1:3.62 = 47:13 teeth Basic model E63 645i: I = 1:3.46. Timm's BMW E63 and E64 Harsh Gearchanges I was lucky to have a friend (Rupe) who had just bought a 650i with poor gear changes and he is a lot less lazy than I am. He did a number of jobs that I should have done - plugs, coils, MAF and finally an ATF and filter change.
Each job made a small difference, but the job that fixed the problem was resetting the gearbox adaptations.