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11 00... Service - engine oil (N55)

Special tools required: 

WARNING: Risk of scalding!
Carry out work on the vehicle only when wearing oil- and heat-resistant protective gloves incl. forearm protection, face guard and protective apron.
IMPORTANT: Carry out engine oil service only when the engine is at operating temperature.
Observe the exact engine oil filling capacity.
Overfilling the engine with engine oil will result in engine damage. 
Test period and drip-off time (at least 10 minutes) must be adhered to.
IMPORTANT: Risk of damage!
Protect belt drive against dirt.
Cover with suitable materials.

Recycling: 

Catch and dispose of drained engine oil in a suitable collecting vessel.

Observe country-specific waste disposal regulations.

Release oil filter cover with special tool 11 9 240 .

Tightening torque: 11 42 1AZ .

NOTE: Engine oil flows out of the oil filter housing and back into the oil sump.
Fig 1: Releasing Oil Filter Cover Using Special Tool (11 9 240)
G10144666Courtesy of BMW OF NORTH AMERICA, INC.

Rear wheel drive:

Open oil drain plug (1) on oil sump.

Drain engine oil.

Installation note: 

Replace sealing ring. 

Tightening torque: 11 13 1AZ .

Fig 2: Oil Sump Drain Plug
G10144667Courtesy of BMW OF NORTH AMERICA, INC.

Four-wheel drive:

Open oil drain plug (1) of oil sump and drain engine oil.

Installation note: 

Replace sealing ring. 

Tightening torque: 11 13 1AZ .

Fig 3: Oil Sump Drain Plug
G10144668Courtesy of BMW OF NORTH AMERICA, INC.

Remove and insert oil filter element (1) in direction of arrow.

Installation note: 

Replace oil filter element (1) and sealing ring (2). 

Replace gasket (3) and renew if necessary.

NOTE: Coat sealing rings (2, 3) with engine oil.
Fig 4: Inserting Oil Filter Element
G10144669Courtesy of BMW OF NORTH AMERICA, INC.

Secure oil filter cover with special tool 11 9 240 .

Tightening torque: 11 42 1AZ .

NOTE: Pour in ENGINE OIL .
Start engine and run at idle until oil pressure indicator light goes out.
Switch off engine.
Check oil filter cover and oil drain plug of oil sump for tightness.
Assemble engine.
Fig 5: Securing Oil Filter Cover Using Special Tool (11 9 240)
G10144670Courtesy of BMW OF NORTH AMERICA, INC.

Recommendation: Check engine oil level: