Oil pressure testing

# Engine oil pressure test

Oil pressure sender is located on oil filter housing.

Remove wire(s) from switch.

Remove oil pressure switch (M3 may require removal of air box and airflow meter to access switch )

Install BMW special tool 11 4 060, or equivalent adapter into switch location.

Attach a pressure gauge.

Follow gauge instructions to get a reading.

E30 M3 Repair Manual V2.7. Copyright ©1999-2001 Koala Motorsport & Brett Anderson