SYS.OK|MANUAL.DB● LIVE
HOMESERVICE MANUALSBMW2011335I 2D CONVERTIBLE, STANDARDREPAIR AND DIAGNOSISENGINE PERFORMANCEENGINE CONTROL SYSTEMSENGINE - REPAIR - E90 (N55)OIL SUPPLY11 40 000 CHECKING ENGINE OIL PRESSURE (N55)
2011 BMW 335i 2D Convertible, Standard

11 40 000 Checking engine oil pressure (N55)

2011 BMW 335i 2D Convertible, StandardSECTION 11 40 000 Checking engine oil pressure (N55)

Special tools required: 

IMPORTANT: The regulated oil pump can only be checked and measured with the diagnosis system.
Vehicles with a regulated oil pump have a HYDRAULIC VALVE  fitted.
Diagnosis path:
  • DME Digital Motor Electronics
  • Complete vehicle
  • Power train
  • Engine electronics
  • Engine oil
  • Oil-pressure control

Special tool 11 9 250 must be converted for N55

Necessary preliminary tasks: 

  • Connect BMW diagnosis system to vehicle.
  • Observe diagnosis instructions.
  • Protect drive belt against dirt
  • Have a cleaning cloth ready to catch escaping oil

Secure special tool 11 9 250 at hexagon head in a vice.

Release insert (2) using a slotted screwdriver (1) in direction of arrow.

Fig 1: Securing Special Tool 11 9 250 At Hexagon Head In Vice
G09836510Courtesy of BMW OF NORTH AMERICA, INC.

Release screw piece (1) on special tool 11 6 410 .

Fig 2: Releasing Screw Piece On Special Tool 11 6 410
G09836511Courtesy of BMW OF NORTH AMERICA, INC.

Install special tool 11 6 410 in special tool 11 9 250 .

Insert central bolt with a slotted screwdriver (1) hand-tight.

Fig 3: Installing Special Tool 11 6 410 In Special Tool 11 9 250
G09836512Courtesy of BMW OF NORTH AMERICA, INC.

Insert screw piece (1) hand-tight in direction of arrow on special tool 11 6 410 .

Fig 4: Inserting Screw Piece Hand-Tight
G09836513Courtesy of BMW OF NORTH AMERICA, INC.

Release oil filter cover with special tool 11 9 240 .

Tightening torque: 11 42 1 AZ .

Fig 5: Releasing Oil Filter Cover Using Special Tool 11 9 240
G09836514Courtesy of BMW OF NORTH AMERICA, INC.

Carefully detach filter element.

Installation note: 

Check all O-rings for damage, replace if necessary.

Fig 6: Checking O-Rings For Damage
G09836515Courtesy of BMW OF NORTH AMERICA, INC.

Install filter element (1) in special tool 11 9 250 .

Installation note: 

Coat O-ring with engine oil.

Fig 7: Installing Filter Element In Special Tool 11 9 250
G09836516Courtesy of BMW OF NORTH AMERICA, INC.

BMW Order number for special tool: Bolt 2 212 823 with 11 4 310.

Screw the pressure sensor (1) hand tight.

Apply light coating of oil to sealing ring at pressure sensor (1) 100 bar.

Fig 8: Applying Light Coating Of Oil To Sealing Ring At Pressure Sensor
G09836517Courtesy of BMW OF NORTH AMERICA, INC.

Measure the engine oil pressure with diagnosis system. 

BMW Order number for special tool, Screw to oil filter housing: 2 212 823.

Special tool 11 4 310 on special tool, order number: 2 212 823.

Screw in pressure sensor (1) 100 bar at special tool 11 4 310 (finger-tight).

Connect cable (2) of IMIB (Integrated

Measurement Interface Box) to pressure sensor (1) 100 bar.

Graphic N20.

Fig 9: Measuring Engine Oil Pressure
G09845988Courtesy of BMW OF NORTH AMERICA, INC.

Start engine and check engine oil pressure by means of diagnosis.

RENDER: 1.0x

NO RELATED

Recommended Tools & Savings

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

Affiliate disclosure: We may earn a commission at no extra cost to you.

Shop Manual-Ready ToolsFree Quote CheckQuote Shield Pro

When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.