BMW TIS Online

Engine oil change BMW B48A, B46A

00 00 610 


Risk of scalding!

When carrying out repair work on the vehicle always wear oil- and heat-resistant protective gloves incl. forearm protection, face guard and protective apron.


Carry out engine oil service only when the engine is at operating temperature.

It is essential to adhere to the exact capacities specified.

Overfilling the engine with engine oil will result in engine damage.


Catch and dispose of used oil in a suitable collecting vessel.

Observe country-specific waste disposal regulations.


Open service flaps (1) in front underbody protection.

Remove oil drain plug (1).

Drain the engine oil.

Unscrew the oil drain plug (1) at the hexagon head (2).

Drain the engine oil.

Undo oil filter cover (1) at hexagon head (2).


Check the freedom of movement of the non-return valve (1).

Renew oil filter (1).

Parts: Oil filter (1).

Ensure that the oil filter (1) engages audibly.

Renew O-ring (2) and coat with engine oil.

Parts: O-ring (2).

Replace the bolt with the O-ring (1).

Parts: Bolt with O-ring (1).

Wet the O-ring (1) with engine oil.

It is imperative that the thread (1) is cleaned with original BMW brake cleaner (part number: 83 19 2 365 214) prior to installation!

The thread must be completely free of engine oil!


Risk of damage!

Elastomers (O-rings) must not touch brake cleaner!

Brake cleaner must be completely vented. Blow dry with compressed air as needed.

Join the oil drain plug (1).

Mount the oil filter cover (1) and tighten it at the hexagon head (2).

Tightening torque: 11 42 1AZ:

1AZ Oil filter cover to oil filter housing
B46M0/O0 / B48M0/O0 S88.5×3 O-ring lightly oiled

Tighten the oil drain plug (1) at the hexagon head (2).

Tightening torque 11 42 2AZ:

2AZ Oil drain plug to oil filter cover
B46M0/O0 / B48M0/O0 Renew screw. 5 Nm

Renew the sealing ring.

Part: Sealing ring.

Tighten oil drain plug (1).

Tightening torque: 11 13 1AZ:

1AZ Oil drain plug
B46M0/O0 / B48M0/O0 M12 x 1.5 Renew the sealing ring. 25 Nm

Check oil filter cover and oil drain plug of the oil sump for tightness.

Close service flaps (1) in front underbody protection.

This post was last modified on April 28, 2018, 3:25 pm

Categories: 00 Maintenance and general data
Tags: b46ab48abmwoil changeoil service
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