23 00 Transmission In General
| Type | Thread | Tightening specification | Measure | ||
|---|---|---|---|---|---|
| 2AZ | Transmission to clutch housing | B / C / D / E / F / G / H / I / J-transmission | M12 | 76 Nm | |
| 3AZ | Reinforcement plate to transmission | B / C / D / E / F / G / H / I / J-transmission | M8 | 23 Nm | |
| 4AZ | Oil drain plug / filler plug | B / C-transmission | 50 Nm | ||
| D / E-transmission | 52 Nm | ||||
| G / H-transmission | M18x1.5 hexagon socket | 35 Nm | |||
| H / I-transmission | M12x1.5 | 25 Nm | |||
| J-transmission | 40 Nm | ||||
| 5AZ | Transmission extension | G / H transmission | M10 | 46 Nm | |
TIGHTENING SPECIFICATION - TRANSMISSION IN GENERAL (23 00)
| Type | Thread | Tightening specification | Measure | ||
|---|---|---|---|---|---|
| 1AZ | Transmission to engine. See TRANSMISSION DESIGNATIONS | ||||
| Hex screws | B / C / D / E / F / G / H / I / J-transmission | M6 | 9 Nm | ||
| B / C / D / E /F / G / H / I / J-transmission | M8 | 25 Nm | |||
| B / C / D / E / F / G / H / I / J-transmission | M10 | 49 Nm | |||
| B / C / D / E / F / G / H / I / J-transmission | M12 | 74 Nm | |||
| Torx bolt | B / C / D / E / F / G / H / I / J-transmission | M6 | 9 Nm | ||
| B / C / D / E / F / G / H / I / J-transmission | M8 | 22 Nm | |||
| B / C / D / E / F / G / H / I / J-transmission | M10 | 43 Nm | |||
| B / C / D / E / F / G / H / I / J transmission | M12 | 72 Nm | |||
| J-transmission | M10x55 8.8 | 43 Nm | |||
| J-transmission | M10x42 8.8 | 42 Nm | |||
| H / G-transmission | M12 | 73 Nm | |||
| Steel screws with Torx head N52 / N54 / N53 | I / G / H-transmission | M8 | 19 Nm | ||
| Steel screws with Torx head N52 / N54 / N53 / N46T | I / G / H-transmission | M12 | 66 Nm | ||
| 2AZ | Transmission to N52 / N52K / N53 / N54 aluminium screws marked blue | I / G / H-transmission | Replace screws Jointing torque and angle of rotation must be observed without fail | ||
| I / G / H-transmission | M10x30 | Jointing torque | 20 Nm | ||
| Torque angle | 90-110° | ||||
| I / G / H-transmission | M10x85 | Jointing torque | 20 Nm | ||
| Torque angle | 180-200° | ||||
| G / I / H-transmission only with E9x | M12x91 | Jointing torque | 34 Nm | ||
| Torque angle | 90-110° | ||||
| I / H / G-transmission | M12x91 | Jointing torque | 25 Nm | ||
| Torque angle | 130° | ||||
| 3AZ | Cover plate, transmission | I transmission | M6 | 6 Nm | |
TIGHTENING SPECIFICATION - TRANSMISSION IN GENERAL (23 00)
23 11 Case And Cover
| Type | Thread | Tightening specification | Measure | ||
|---|---|---|---|---|---|
| 1AZ | Transmission housing, rear section/front section | B / C / D / E / F / G / H / I / J-transmission | 22 Nm | ||
| 2AZ | Cover with guide tube/transmission case | B / C / D / E / F / G / H / I / J-transmission | M8 x 22 | 18 Nm | |
| B / C / D / E / F / G / H / I / J-transmission | M8 x 30 | 25 Nm | |||
| B / C / D / E / F / G / H / I / J-transmission | M6 | 10 Nm | |||
| 3AZ | Bearing cap/sealing flange | B / C / D / E / F / G / H / I / J-transmission | 10.5 Nm | ||
| 4AZ | Reverse gear wheel axle to intermediate housing | B / C / D / E / F / G / H / I / J-transmission | 49 Nm | ||
| 5AZ | Retaining plate for reverse gear wheel axle to intermediate housing | B / C / D / E / F / G / H / I / J-transmission | 25 Nm | ||
| 6AZ | Transmission closing plate | B / C / D / E / F / G / H / I / J-transmission | M6 | 8 Nm | |
| 6AZ | Reverse gear shaft to case | B / C / D / E / F / G / H / I / J-transmission | M8 | 25 Nm | |
| S5D 310Z / S5D 320Z | M8 | 20 Nm | |||
| B / C / D / E / F / G / H / I / J-transmission | M10 | 45 Nm | |||
| 7AZ | Support for reverse gear shaft | B / C-transmission | M8 | 25 Nm | |
| 8AZ | Bearing holder to rear housing section | B / C-transmission | M6 | 10 Nm | |
| 9AZ | Retaining tabs for sealing cap | C-transmission | M6 | 10 Nm | |
| 10AZ | Bearing on countershaft B-transmission | M10 | 90 Nm | ||
| C-transmission | M10 | 30 Nm | |||
| C-transmission | M10 | 60 Nm | |||
| 11AZ | Screw plug to rear housing section | B / C / D / E / F / G / H / I / J-transmission | M20 | 60 Nm | |
| B-transmission | M16 | 40 Nm | |||
| B / C-transmission | M22 | 60 Nm | |||
| 12AZ | Sealing caps to rear housing section | B / C-transmission | M6 | 10 Nm | |
| 13AZ | Reversing bolt to reversing lever | ZFS-5-16 / C-transmission | 43 Nm | ||
| 14AZ | Clamping claw to rear housing section | ZFS-5-16 / C-transmission | 33 Nm | ||
| 15AZ | Screws on detent plate | ZFS-5-16 / C-transmission | 9 Nm | ||
| 16AZ | Holder to transfer case | 265 / Sport | M6 | 9 Nm | |
| 17AZ | Retaining plates for bearings on housing | S5D 310Z / S5D 320Z / S5D 200G / S5D 250G | M6 | 10 Nm | |
| 18AZ | Retaining plate to housing | S5D 320Z SMG | M6 | 5.5 Nm | |
TIGHTENING SPECIFICATION - CASE AND COVER (23 11)
23 21 Transmission Shafts
| Type | Thread | Tightening specification | Measure | ||
|---|---|---|---|---|---|
| 1AZ | Output flange | S5D 200G / S5D 250G / S5D260Z / S5D 310Z / S6S 420G | Collar nut installed with bolt cement | ||
| Pretension | 190 Nm | ||||
| Release | |||||
| Tighten down | 120 Nm | ||||
| S5D 280Z / S5D 320Z | Collar nut installed with bolt cement | ||||
| Pretension | 170 Nm | ||||
| Release | |||||
| Tighten down | 130 Nm | ||||
| S5D 390Z | Collar nut installed with bolt cement | ||||
| Pretension | 200 Nm | ||||
| Release | |||||
| Tighten down | 145 Nm | ||||
| GS6-37BZ / GS6-17BG | Collar nut installed with bolt cement | ||||
| Pretension | 170 Nm | ||||
| Release | |||||
| Tighten down | 120 Nm | ||||
| GS6-53DZ | Collar nut installed with bolt cement | ||||
| Pretension | 200 Nm | ||||
| Release | |||||
| Tighten down | 140 Nm | ||||
| GS7S47BG | Collar nut installed with bolt cement | 200 Nm | |||
| 2AZ | Gear to countershaft | 265 / Sport | M10 | 60 Nm | |
TIGHTENING SPECIFICATION - TRANSMISSION SHAFTS (23 21)
23 31 Interior Shift Components
| Type | Thread | Tightening specification | Measure | ||
|---|---|---|---|---|---|
| 1AZ | Shift arms to transmission case | S5D 310Z | 45 Nm | ||
| 2AZ | Sealing cap for locking sleeves of gearshift rods | S6S 420G | M6 | 10 Nm | |
| 3AZ | Retaining screw, shift actuator / selector shaft | S5D 320Z / S6S37BZ / S6S53BZ SMG | M6 | 10 Nm | |
TIGHTENING SPECIFICATION - INTERIOR SHIFT COMPONENTS (23 31)
23 41 External Gearshift Components
| Type | Thread | Tightening specification | Measure | ||
|---|---|---|---|---|---|
| 1AZ | Servomotor / actuator to transmission housing Insert screws with screw securing adhesive | D / G / H SMG transmission | M6 | 10 Nm | |
| 2AZ | Switch for gear recognition to servomotor | D SMG transmission | M5 | 6 Nm | |
| 3AZ | Hydraulic lines to servomotor | D SMG transmission | M12x1 | 17 Nm | |
| 4AZ | Actuator to transmission casing | D SMG transmission | M8 | 25 Nm | |
| 5AZ | Reversing light switch | B / C / D / E / F / G / H / I / J-transmission | M12 | 16 Nm | |
| 6AZ | Pressure accumulator to valve block | C / G / H SMG transmission | 30 Nm | ||
| 7AZ | Protective plate Expansion tank Shift actuator Hydraulic pump Valve block to transmission housing Ground strap to transmission housing | C / G / H SMG transmission | M6 | 10 Nm | |
| 8AZ | Protecting plate / valve block to transmission housing / | C / G / H SMG transmission | M8 | 20 Nm | |
| 9AZ | Valves to valve block | C / G / H SMG transmission | M4 | 3.5 Nm | |
| 10AZ | Pressure sensor to valve block | C / G / H SMG transmission | 15 Nm | ||
| 11AZ | Shift/selector sensor to transmission housing | C / G / H SMG transmission | M4 | 2.8 Nm | |
| 12AZ | Retaining screw for hydraulic line | C / G / H SMG transmission | 18 Nm | ||
| 13AZ | Banjo bolt for hydraulic line | C SMG transmission | 16 Nm | ||
| 14AZ | Heat shield to expansion tank/pump bracket | H transmission | 6 Nm | ||
| 15AZ | Clutch speed sensor | G / H-transmission | 35 Nm | ||
| 16AZ | Transmission oil cooler to transmission | E60 / E63 / E64 / E61 | 7-speed SMG M6x35 | 10 Nm | |
| 17AZ | Transmission oil screen in transmission oil cooler | E60 / E63 / E64 / E61 | 7-speed SMG M18 | 25 Nm | |
| 18AZ | Banjo bolt to transmission oil cooler | E60 / E63 / E64 / E61 | 7-speed SMG M16x1.5 | 40 Nm | |
| 19AZ | Union nut to screwed socket | E60 / E63 / E64 / E61 | 7-speed SMG | 40 Nm | |
| 20AZ | Oil cooler connection to transmission oil cooler | E60 / E63 / E64 / E61 | 7-speed SMG | 40 Nm | |
| 21AZ | Oil pump to transmission oil cooler | E60 / E63 / E64 / E61 | 7-speed SMG M6x20 | 10 Nm | |
| 22AZ | Speed sensor to transmission | E60 / E63 / E64 / E61 | 7-speed SMG M6x16 | 10 Nm | |
| 23AZ | Temperature and pressure sensor to hydraulic unit | E60 / E63 / E64 / E61 | 7-speed SMG | 15 Nm | |
| 24AZ | Clamp, pressure accumulator to transmission | E60 / E63 / E64 / E61 | 7-speed SMG | 22 Nm | |
| 25AZ | Pressure accumulator to pump block | E60 / E63 / E64 / E61 | 7-speed SMG | 29 Nm | |
| 26AZ | Pump block to transmission | E60 / E63 / E64 / E61 | 7-speed SMG | 22 Nm | |
| 27AZ | Banjo bolts, pressure lines clutch actuator and pump block | E60 / E63 / E64 / E61 | 7-speed SMG | 25 Nm | |
| 28AZ | Screws, actuator block | E60 / E63 / E64 / E61 | 7-speed SMG | 25 Nm | |
| 29AZ | Union nut, hydraulic line, actuator block | E60 / E63 / E64 / E61 | 7-speed SMG | 11 Nm | |
| 30AZ | Pump to electric motor | E60 / E63 / E64 / E61 | 7-speed SMG | 5 Nm | |
| 31AZ | Electric motor to pump block | E60 / E63 / E64 / E61 | 7-speed SMG | 5 Nm | |
TIGHTENING SPECIFICATION - EXTERNAL GEARSHIFT COMPONENTS (23 41)
23 71 Transmission Mounts
| Type | Thread | Tightening specification | Measure | ||
|---|---|---|---|---|---|
| 1AZ | Transmission mounts (rubber) to body | B / C / D / E / F / G / H / I / J-transmission | M10 | 42 Nm | |
| B / C / D / E / F / G / H / I / J-transmission | M12 | 73 Nm | |||
| 2AZ | Transmission cross-member to body | B / C / D / E / F / G / H / I / J-transmission | M10 | 42 Nm | |
| B / C / D / E / F / G / H / I / J-transmission | M8 | 19 Nm | |||
| B / C / D / E / F / G / H / I / J-transmission | M8 | E83, E85, E86, E46 only | 21 Nm | ||
| 3AZ | Mount bracket to transmission | B / C / D / E / F / G / H / I / J-transmission | M8 | 19 Nm | |
| 4AZ | Transmission support block to transmission | B / C / D / E / F / G / H / I / J-transmission | M10 ASA screw | 38 Nm | |
| B / C / D / E / F / G / H / I / J-transmission | M10 ISA pan head | 48 Nm | |||
| 5AZ | Transmission mount to transmission support bracket/transmission crossmember | B / C / D / E / F / G / H / I / J-transmission | M8 | 19 Nm | |
TIGHTENING SPECIFICATION - TRANSMISSION MOUNTS (23 71)
Transmission Designations
| A5S 300J (old designation) | ||
|---|---|---|
| A | Transmission Type | S = Manual transmission - A = Automatic transmission |
| 5 | Number of forward gears | |
| S | Type of top gear | D = Direct gear - S = Overdrive gear |
| 300 | Max. input torque (Nm) | |
| J | Code letter of transmission manufacturer | G = Getrag - J = Jatco - R = GMPT (General Motors Powertrain) - Z = ZF (Zahnradfabrik Friedrichshafen) |
| SMG | Notes | SMG = Sequential M gearbox/transmission |
| GS6-37BZ (new designation according to BMW Group Standard GS 90007) | ||
| G | Transmission | |
| S | Transmission type | S = Manual transmission - A = Automatic transmission |
| 6 | Number of forward gears | |
| 37 | Transmission type | |
| B | Gear set | |
| Z | Code letter of transmission manufacturer | G = Getrag - Z = ZF (Zahnradfabrik Friedrichshafen) |
BREAKDOWN OF BMW DESIGNATION
| BMW designation | Manufacturer | Manufacturer designation | Remark |
|---|---|---|---|
| S5D 200G | Getrag | B transmission (220/5) | |
| S5D 200G | Getrag | B transmission (221/5) | For M41 engine only |
| S5D 250G | Getrag | B transmission (220/5) | Reinforced design |
| S5D 260Z | ZF | C-transmission (S5-31 D) | For M51 engine only |
| S5D 280Z | ZF | C-transmission (S5-31) | |
| S5D 310Z | ZF | C-transmission (S5-31) | Up to 9.95 |
| S5D 320Z | ZF | C-transmission (S5-31) | From 9.95 (reinforced design) |
| GS5S31BZ (SMG) | ZF | C-transmission | SMG |
| GS5-39DZ | ZF | F transmission | |
| S6S 420G | Getrag | D-transmission (226/6) | |
| S6S 420G (SMG) | Getrag | D-transmission | SMG |
| S6S 560G | Getrag | E-transmission (286/6) | |
| GS6-37BZ | ZF | H-transmission | |
| GS6-37BZ (SMG) | ZF | H-transmission | |
| GS6-37DZ | ZF | H-transmission | |
| GS6-37BG | Getrag | H-transmission | |
| GS6-53BZ | ZF | G-transmission | |
| GS6-53DZ | ZF | G-transmission | |
| GS6-17BG | Getrag | I-transmission | |
| GS7S47BG (SMG) | Getrag | J-transmission (247) | SMG 7-speed |
MANUAL TRANSMISSION
| BMW designation | Manufacturer | Manufacturer designation | Remark |
|---|---|---|---|
| A4S 200R | GMPT | GM4 | |
| A4S 270R | GMPT | THM-R1w | Transmission wide-stepped |
| A4S 310R | GMPT | THM-R1 | |
| A5S 300J | Jatco | Jatco | |
| A5S 310Z | ZF | 5HP-18 | |
| A5S 325Z | ZF | 5HP-19 | |
| A5S 440Z | ZF | 5HP-24 | |
| A5S 560Z | ZF | 5HP-30 | |
| A5S 360R / 390R | GM | GM5 | |
| GA6HP19Z | ZF | 6HP19 | |
| GA6HP26Z | ZF | 6HP26 | |
| GA6HP32Z | ZF | 6HP32 |
AUTOMATIC TRANSMISSION
See also:
• TRANSMISSION DESIGNATIONS