| 词条 | Getrag 420G transmission | ||||||||||||||
| 释义 |
The 420G is a 6-speed manual transmission manufactured by Getrag. It is designed for longitudinal engine applications and is designed for use on engines producing up to {{convert|499|Nm|lbft||abbr=on}} of torque. BMW used this transmission with M60 V8 models such as the European manual 840i, European manual 740i, 540i;[1] as well as the M62 powered 5 series sedans, and S62 powered vehicles such as the Z8 and M5.[2][3] This gearbox was also used in the E34 M5, E36 M3, and E46 M3s with the S38B38, S50B32, and S54B32 engines respectively.[4][5][6] For the aforementioned applications there are three incompatible bellhousing boltpatterns: one for 8-cylinder engines (540i, 740i, 840i, E39 M5, Z8), one for the larger S38 6-cylinder engine (E34 M5, only for 1995), and one for the smaller 6-cylinder engines (M3). Bellhousings can be swapped among V8 and L6 engines, however this is not advised because it is likely to result in incorrect bearing preload. Furthermore, the V8 and smaller L6 transmissions also have different output flanges (which can be swapped) and input shafts (which cannot, practically speaking).[7][8] Among owners and mechanics, the transmission has a reputation for being strong, quiet, and routinely able to handle considerably more torque than its official rating. However, internal shift linkages are its one known failure point, and neither BMW nor Getrag will provide replacement internal parts (except some shift linkage parts), rebuild instructions, or rebuild service. The only solution to a failed gearbox is a replacement transmission. Gear ratios:
Applications:
References1. ^{{cite web | url = http://www.realoem.com/bmw/partxref.do?part=23001222564&showus=on&showeur=on&details=1 | title = Part 23001222564 (RMFD-6 Speed Gearbox) | publisher = realoem.com | accessdate = 2007-11-08}} {{Getrag}}{{automotive-part-stub}}2. ^{{cite web | url = http://www.realoem.com/bmw/partxref.do?part=23001222564&showus=on&showeur=on&details=1 | title = Part 23007505869 (RMFD-6 Speed Gearbox) | publisher = realoem.com | accessdate = 2007-11-08}} 3. ^{{cite web | url = http://www.realoem.com/bmw/partxref.do?part=23001222564&showus=on&showeur=on&details=1 | title = Part 23007501757 (RMFD-6 Speed Gearbox) | publisher = realoem.com | accessdate = 2007-11-08}} 4. ^{{cite web | url = http://realoem.com/bmw/showparts.do?model=HC92&mospid=47387&btnr=23_0222&hg=23&fg=05&hl=13 | title = Part 23001222697 (RMFD-6 Speed Gearbox) | publisher = realoem.com | accessdate = 2010-12-25}} 5. ^{{cite web | url = http://realoem.com/bmw/showparts.do?model=BG92&mospid=47433&btnr=23_0222&hg=23&fg=05&hl=7 | title = Part 23001434507 (RMFD-6 Speed Gearbox) | publisher = realoem.com | accessdate = 2010-12-25}} 6. ^{{cite web | url = http://realoem.com/bmw/showparts.do?model=BR93&mospid=47708&btnr=23_0222&hg=23&fg=05&hl=10 | title = Part 23002229721 (RMFD-6 Speed Gearbox) | publisher = realoem.com | accessdate = 2010-12-25}} 7. ^{{cite web | url = https://www.bimmerforums.com/forum/showthread.php?2155289-Getrag-420g-parts-interchangeability | title = Getrag 420G interchange info | publisher = bimmerforums.com | accessdate = 2019-04-01}} 8. ^{{cite web | url = https://forum.e46fanatics.com/showthread.php?t=1046393 | title = HOW TO: E39 M5 trans into E46 non M, must have info for all inside | publisher = e46fanatics.com | accessdate = 2019-04-01}} 1 : Getrag transmissions |
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