Removing and Installing Automatic Transmission (6HP19Z/N52/N52K/N53)
24 00 030 - Removing and installing automatic transmission (6HP19Z/N52/N52K/N53)
Special tools required:
- 00 2 030 00 2 030 Universal Hydro-Lifter Basic Unit
- 00 9 010 00 9 010 Torx E18 Socket
- 00 9 120 00 9 120 Torque Angle Measuring Dial
- 00 9 130 00 9 130 Magnet with 1/2 " Connection
- 23 4 050 23 4 050 Universal Transmission Bracket
- 24 1 110 24 1 110 Socket with Magnet
- 24 2 390 24 2 390 Covering Cap
- 24 4 160 24 4 160 Support Bracket
- 24 4 161 24 4 160 Support Bracket
- 24 4 165 24 4 160 Support Bracket
Important!
After completion of work, check transmission oil level Checking/Topping Up Fluid Level in Automatic Transmission (GA6HP19Z).
Use only the approved transmission fluid.
Failure to comply with this requirement will result in serious damage to the automatic transmission!
Important!
E60/E61 and E63/E64 cars are equipped with the Auto-P function as from 03/07 and 09/07 respectively.
Consequence: With ignition on and selector lever in N position, the P position (transmission parking brake) is automatically engaged after 30 mins.
This can be prevented by manually unlocking the transmission interlock.
Warning!
Car must not be moved when the transmission interlock is engaged.
Failure to comply with this instruction will result in immediate transmission damage.
Important!
Aluminium-magnesium materials.
No steel screws/bolts may be used due to the threat of electrochemical corrosion.
A magnesium crankcase requires aluminium screws/bolts exclusively.
Aluminium screws/bolts must be replaced each time they are released.
Aluminium screws/bolts are permitted with and without color coding (blue).
For reliable identification:
Aluminium screws/bolts are not magnetic.
Jointing torque and angle of rotation must be observed without fail (risk of damage).
Necessary preliminary tasks:
- Remove front Removing and Installing / Replacing Front Underbody Protection underbody protection
- Remove rear underbody protection Removing and Installing / Replacing Rear Underbody Protection
- Remove reinforcement plate Service and Repair
Important notes on installation are described in this work step
- Remove complete exhaust system Service and Repair
- Remove heat shields and brackets
Disconnect plug connection (1).
Release screws (2).
Remove cover plate (3).
Tightening torque, 24 00 1AZ.
Installation Note:
Release aluminium screw on right next to cable retaining plate with special tool 00 9 010 00 9 010 Torx E18 Socket.
Aluminium screws must be replaced.
Tightening torque 24 00 2AZ Transmission in General.
Release screws (1).
Take off holder (2).
Version 2:
Grip clamping sleeve (1).
Slacken nut (2).
Detach retainer (3) downwards using a screwdriver.
Pull cable (4) out of holder.
Installation Note:
Adjust selector lever Adjustments
Version 2:
Release nut and disengage cable (1).
Installation Note:
Unfasten nut.
Adjust cable by means of holder (2) until spacing A = 1 mm is obtained
Tighten nut.
Support engine.
Supporting transmission:
Support transmission with special tools 23 4 050 23 4 050 Universal Transmission Bracket, 00 2 030 00 2 030 Universal Hydro-Lifter Basic Unit.
Secure transmission to mounting with tensioning strap (1).
Tasks are described in Transmission bracket Universal BMW Transmission Take-Up.
After completion of work, check transmission oil level.
Note:
N53 only
Disconnect plug connection (1).
Remove cable from holders on carrier.
Unfasten screws (1) and nuts (2).
Remove transmission cross-member.
Tightening torque 22 32 3AZ/4AZ 22 32 Transmission Mounts.
- Remove propeller shaft from transmission.
- Release center bearing.
- Tie propeller shaft to one side.
Tasks are described in Removing propeller shaft Removing and Installing Complete Propeller Shaft (Constant-Velocity Joint).
- Unlock and disconnect plug (1) by turning.
- Do not touch pins
- Release cable from retainers
- Insert special tool 24 2 390 24 2 390 Covering Cap in sealing sleeve.
These tasks are described in Notes on mechatronics Procedures.
Important!
Read and comply with important note.
Release screw (1).
Disconnect hydraulic lines (2) to transmission fluid cooler.
Installation Note:
Replace sealing rings.
Detach holder from transmission fluid lines on oil sump.
Crank engine at vibration damper in direction of rotation until screw (1) is visible in opening.
Release all screws of torque converter with special tool 24 1 110 24 1 110 Socket with Magnet.
Crank engine further and release remaining bolts.
Tightening torque 24 40 1AZ [1][2]Specifications.
Prepare special tool (1) 24 4 161 24 4 160 Support Bracket(A) with shaped section (2) 24 4 165 24 4 160 Support Bracket side (A) to (A).
Insert special tool 24 4 160 24 4 160 Support Bracket into opening of transmission housing and clamp gently with screw (1).
Twist in screw (2) and clamp down.
Then tighten down screw (1).
Release screws.
Installation Note:
Tightening torque, steel screws 24 00 1AZ Transmission in General.
Aluminium screws/bolts must be replaced.
Tightening torque and angle of rotation
Aluminium screws/bolts (7,8,9,10,11) 24 00 2AZ Transmission in General.
Screw 9 only on N54
Installation Note:
Secure angle of rotation special tool 00 9 120 00 9 120 Torque Angle Measuring Dial with magnet 00 9 130 00 9 130 Magnet with 1/2 " Connection to floor plate.
Screw down aluminium screws/bolts according to angle of rotation.
Angle of rotation 24 00 2AZ Transmission in General.
Installation Note:
Bore (1) in driving disc must be accessible from opening on engine oil pan.
Check that dowel sleeves are correctly seated.
Replace damaged dowel sleeves.
Installation Note:
Rotate torque converter until bore in torque converter is flush with bore in driving disc.
Flange automatic transmission to engine.