BMW 3 Series Service Manual (E39)
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4 Install engine lifting tool at front of engine and raise engine approximately 5 mm (114 in).
<Remove pinch bolt (arrow) at steering column universaljoint near steering rack. See 320 Steering and Alignment.
-Remove power steering pump, leaving hydraulic lines connected to pump. Suspend pump using strong wire. See 320 Steering and Wheel Alignment.
NOTE-
For better access to power steering assembly, unbolt fluid reservoir and suspend with wire.
Loosen upper nuts (arrow) in right and lefl engine mounts,
<Remove right and left lower engine mount nuts (arrow)
-On cars with automatic transmission, remove ATF cooler line brackets from engine oil pan.
-Disconnect electrical harness connector at oil level sensor on oil pan.
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4 Support subframe from below using BMW special tool 31 2 220 and appropriate shop lift. Remove subframe mounting bolts and lower subframe as far as possible.
Remove oil pan screws (arrows) at cylinder block and transmission bellhousing. Lower and remove oil pan.
NOTE-
I f oilpan will not slide backwards, disconnect stabilizer bar links and lower front axle support further.
If the oilpan does not separate easily from the engine cylinder block, a few taps with a rubbermalletshouldbreakit free. Do notpry the oilpan loose.
When installing oil pan:
Thoroughly clean all old gasket material from mating surfaces and use a new gasket.
Apply a small amount of non-hardening sealer (3 Bond 12098 or equivalent) to oil pan gasket directly below joints (arrows) for end cover and front timing case cover. Apply a bead 3 mm wide by 2 mm high.
Install all oil pan bolts finger tight. Tighten oil pan bolts toward front of engine first, then pan bolts at transmission end.
Tightening torques |
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Oil drain plug to oil pan (M12) |
25 Nm (18 ft-lb) |
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Oil pan to engine block |
10 Nm (89 In-lb) |
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MG (8.8 grade) |
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MG |
(10.9 grade) |
12 Nm (9 ft-lb) |
M8 |
(8.8 grade) |
22 Nrn (16 R-lb) |
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Remainder of installation is reverse of removal. |
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Replace self-locking nuts when reinstalling front suspension components.
Use new oil dipstick tube sealing O-ring.
After adding engine oil, start and run engine. Raise engine speed to 2,500 rpm until oil pressure warning light goes out (about 5 seconds).
NOTE-
BMW does not specify a front end alignment following this procedure.
Tightening torques |
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Front subfrarne to body rail |
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(M12, use new bolts) |
77 Nrn (57 ft-lb) |
8.8 grade |
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10.9 grade |
105 Nrn (77 ft-lb) |
12.9 grade |
110 Nrn (81 ft-lb) |
Stabilizer bar link to stabilizer bar |
65 Nrn (48 ft-lb) |
Steering shaft universaljoint clampingbolt |
19 Nrn (14 it-lb) |
(use new bolt) |
Lower oil pan, removing and installing (V-8)
-The V-8 engine is equipped with a 2-piece oil pan. The fasteners in V-8 engine oil pump assembly, including the sprocket retaining nut, are known to loosen and fall off into the oil pan. Be sure to install these fasteners with Loctite O or equivalent thread locking product and torque to specifications.
CAUTION-
It is recommendedthat the oilpump retainingbolts and oil pump drive sprocket retainingnut tightening torque be checkedany time the oilpan is removed.
-Raise car and place securely on jack stands.
WARNING-
Make sure the car is stable and well supported at all times.
Usea professionalautomotivelift orjack stands designedfor
-Remove splash shield from under engine.
-Drain engine oil
-On cars with automatic transmission, remove ATF cooler line brackets from oil pan.
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[LubricationSystem
<Disconnect electrical harness connector (arrow) at oil level sensor.
-When installing oil pan:
-Remainder of reassembly is reverse of disassembly
-After adding engine oil, start and run engine. Raise engine speed to 2,500 rpm until oil pressure warning light goes out (about 5 seconds).
10 Nm (89 in-lb)
12 Nm (9 ft-lb)
22 Nm (16 ft-lb)
25 Nm (18 ft-lb)
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Upper oil pan, removing and installing (V-8)
The engine oil pan removal procedure requires that the engine be supported from the top and the front suspension subframe be lowered.
-Disconnect negative (-) battery cable
4 -Lift hood into assembly position.
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< Remove oil dipstick support from right cylinder head.
4 Remove upper nuts (arrow) from left and right motor mounts.
(engine4 Attach BMW special tool 00 0 200 with tools 201/202R04/208 suppon bracket).
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Disconnect electrical harness connect01.(arrow) oil level sensor.
4 Remove lower oil pan bolts (arrows) and pan,
CAUTION-
If the lowerpan does not separate easily from upperpan, a few taps with a rubbermallet shouldbreakit free. Do notpry the oilpan loose.
Remove N C drive belt tensioner.
Remove adjustment bolt (B).
Remove retaining bolt (A) and remove tensioner from oil pan.
-Remove power steering pump from engine block, leaving hydraulic lines connected. Suspend from chassis using stiff wire. See 320 Steering and Wheel Alignment.
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4 Working at lefl side of engine, remove oil dipstick guide tube |
mounting bracket and remove dipstick tube. |
NOTE-
Replace dipstick O-ring seal.
<Working at right side of engine, remove oil return line from upper section of oil pan.
4 Separate lower steering column from steering box:
Remove retaining bolt (arrow) from lower steering column universal joint.
Slide lower steering column up and off of connection at steering box.
- Remove support bracket for hydraulic line at subframe.
Lubrication ~vsternl
Support subirame from below using BMW special tool 31 2 220 and appropriate shop lift.
Remove subirame mounting bolts (arrows) and lower subframe as far as possible.
<Working through lower oil pan opening, remove pump mounting bolts (arrows).
Remove oil pump. See Oil pump, removing and installing (V-8).