11 40 000 Checking oil pressure (N47 D20 O1)

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Special tools required:

Necessary preliminary work:

Remove OIL PRESSURE SWITCH .

Install special tool 11 4 050 with sealing ring (1) in place of oil pressure switch.

Fig 1: Identifying Special Tool (11 4 050)

G09945072

Courtesy of BMW OF NORTH AMERICA, INC.

Check engine oil pressure with DIS Tester

Attach special tool 13 6 054 with sealing ring (1) and special tool 13 6 051 and connect to DIS Tester.

Check engine oil pressure with pressure gauge

Install special tool 13 3 063 and special tool 13 3 061 (pressure gauge).

Fig 2: Checking Engine Oil Pressure With Pressure Gauge

G04740315

Courtesy of BMW OF NORTH AMERICA, INC.

Fit pressure gauge 13 3 061 .

Check engine oil pressure.

Start engine and run at idle speed.

Nominal value. See OIL PUMP WITH STRAINER AND DRIVE (N47T) .

Fig 3: Identifying Pressure Gauge (13 3 061)

G09945074

Courtesy of BMW OF NORTH AMERICA, INC.

Remove all special tools.

Reassemble vehicle and set in horizontal position.

Switch off engine, wait approx. 5 minutes and then check engine oil level.

Top up engine oil if necessary.