Oil Pan: Service and Repair

Removing And Installing, Sealing Or Replacing Oil Sump (M52TU / M54/ M56)

Special tools required:

00 0 200
00 0 201
00 0 202
00 0 204
00 0 208

Note: To remove the oil sump, you must lower the front axle support.
There is no need to perform a front axle alignment check.







Assemble special tool 00 0 200 with special tools 00 0 201 / 00 0 202 /00 0 204 /00 0 208 and fit. Secure special tool 00 0 200 to front suspension eye on engine.

Note:The supports ( 1 ) of special tool 00 0 208 must rest on the bolt connection of both side walls.







Tighten the screws ( 1 and 2 ).







Raise engine with special tool 00 0 200 approx. 5 mm.
- Remove suction filter housing. Remove engine splash guard.
- Drain engine oil. On vehicles with automatic transmission:
- Disconnect oil lines from automatic transmission and from oil pan.
- Release guide tube for dipstick.

Note: M52TU and M54 only.
- Detach return hose from cyclone oil separator on oil dipstick guide tube.






- Remove oil dipstick guide tube upwards.

Installation:







- Replace O-ring.
- Remove front end reinforcement.
- Detach steeling spindle from steering gear.
- Remove vane pump for power steering unit (lines remain connected).
- Disconnect plug connection to oil level sensor.






- Loosen top and unfasten bottom of left and right engine mounts.

E46 4WD only
- Remove left and right swivel bearings.
- Remove output shafts. Remove front propeller shaft.
- Remove front axle differential.
- Detach brackets for left and right control arms from engine carrier.
- Release retaining brackets for left and right stabilizer bars.
- Unfasten screw connection on front axle support and lower the front axle support.

Note: There is no need to detach the steering gear from the front axle support.







- Unfasten oil sump screws at transmission and engine ends.
- Lower and remove oil sump.

Installation:







Sealing faces clean and free of seal debris.
Apply approx. 3 mm wide, 2 mm high coat of Drei Bond 1209 sealing agent to the area around seams.

Installation:
1. Replace gasket
2. Install oil sump.
3. Insert all oil sump screws.
4. Insert screws in transmission end without preload at this stage.
5. Tighten down screws in engine end.
6. Tighten down screws in transmission end.

E60 Removing And Installing, Sealing Or Replacing Oil Sump (M54)

Necessary preliminary tasks. -
- Remove intake filter housing
- Remove guide tube for oil dipstick
- Lowering front axle support
- Drain off engine oil
- Disconnect plug connection to oil level sensor.

On vehicles with automatic transmission:
- Detach oil lines from automatic transmission and from oil pan.
- Unfasten oil pan screws at transmission and engine ends.
- Lower and remove oil pan.

Installation:
Sealing faces clean and free of seal debris.
Apply approx. 3 mm wide, 2 mm high coat of Drei Bond 1209 sealing agen to the area around seams.

Installation:
1. Replace seal.
2. Install oil sump.
3. Insert all screws on transmission end, without preload at this stage.
5. Tighten down screws on engine end.
6. Tighten screws on transmission end.