BMW 7 Series: Window Washer System

ADJUSTING WASHER JETS FOR WINDSCREEN WASHER SYSTEM

Triple nozzle system

Fig. 351: Identifying Washer Spray Jet Adjusting Values

The spray jets should hit the middle of the wiping area.

Adjustment values in mm

A1= 200
A2= 400
B1= 400
B2= 400
C1= 450
C2= 450
D1= 230
D2= 350
E1= 500
E2= 350
F1= 550
F2= 350

If necessary, adjust left/right or middle washer jet (1) by way of screw (2).

NOTE: If necessary, remove adhesive residue from windscreen.

Fill up with washer fluid.

Fig. 352: Identifying Washer Jet With Screw

CHECKING FUNCTION OF SPRAY NOZZLES FOR WINDSCREEN WASHER SYSTEM

• Switch on terminal "R" and then switch on again immediately.
• Press wiper lever to "Clean windscreen" for more than 3 seconds.
• Washer fluid is sprayed out of the spray nozzles without the wiper arms being moved.
• Check function of spray nozzles.
• If necessary, REPLACE spray nozzles.
• Top up washer fluid.

OVERVIEW OF WINDSCREEN WASHER SYSTEM AND HEADLIGHT WASHER SYSTEM (SRA)

Fig. 353: Overview Of Windscreen Washer System And Headlight Washer System (SRA)

1. Windscreen wiper blades
2. Windscreen wiper arms
3. Spray nozzles for windscreen washer system
4. Wiper bracket
5. Washer pump for headlight washer system
6. Windscreen washer pump
7. Fluid reservoir for windscreen washer system
8. Level switch for windscreen washer system
9. High-pressure nozzles of SRA
10. Checking, adjusting, venting

PROCEDURE FOR REPLACING HIGH-PRESSURE LINES

When replacing the H.P. lines, you must carry out a venting procedure after filling the fluid reservoir.

During the venting operation, a large amount of washer fluid may emerge from the spray nozzles. Have cleaning cloths at hand.

Call up service function "Vent headlight cleaning system" by way of DIS or MoDiC (refer to Diagnosis and vented.

Top up washer fluid.

REMOVING AND INSTALLING/RENEWING ALL WASHER JETS OF WINDSCREEN WASHER SYSTEM

Turn clamp (3) in direction of arrow and washer fluid line (2) in direction of arrow.

Disconnect plug connection (1) and remove from bracket (4).

Fig. 354: Turning Clamp

Press all washer jets (1) in direction of arrow upwards and remove.

Fig. 355: Pressing Washer Jets

Installation note:

• Retaining lugs (1) must not be damaged.
• Check ADJUSTMENT OF WASHER JETS and correct if necessary
• Observe FILLING CAPACITY FOR WINDSCREEN WASHER SYSTEM

Fig. 356: Identifying Retaining Lugs

REMOVING AND INSTALLING/REPLACING WINDSCREEN WASHER PUMP

Necessary preliminary tasks:

• Remove FRONT WHEEL ARCH COVER REAR SECTION
• Remove RIGHT AUXILIARY DIRECTION INDICATOR
• Drain fluid tank for windscreen washer system.

Feed cable for auxiliary direction indicator (1) out of fluid reservoir (2).

Press windscreen washer pump (3) upwards in direction of arrow and lay to left side.

Fig. 357: Pressing Windscreen Washer Pump

Disconnect plug connection (1).

Detach washer fluid line (2) from windscreen washer pump (3).

Remove windscreen washer pump (3).

Fig. 358: Identifying Windscreen Washer Pump, Washer Fluid Line And Plug Connection

Installation:

Replace strainer for windscreen washer pump.

If necessary, coat sealing ring of windscreen washer pumps with lubricant.

Ensure hose is laid without kinks.

Make sure electrical leads are correctly laid.

REPLACING WASHER FLUID RESERVOIR FOR WINDSCREEN WASHER SYSTEM

Necessary preliminary work:

• Remove FRONT LEFT AUXILIARY TURN INDICATOR
• Remove FRONT WHEEL ARCH PANEL COVER

NOTE: Washer fluid will escape when the windscreen washer pump is pulled out. Have a suitable collecting vessel and cleaning cloth ready. OBSERVE filling capacities of fluid reservoir.

Remove level switch for windscreen washer system, windscreen washer pump and if necessary washer pump for headlight cleaning system from fluid reservoir and set to one side.

NOTE: Lines remain connected.

Release cable strap (1).

Pull filler channel (2) out of washer fluid reservoir (3).

Installation note: Replace sealing ring on filler channel (2).

Release nut (4) and remove washer fluid reservoir (3) in direction of arrow.

Fig. 359: Removing Washer Fluid Reservoir

Installation note:

Replace sealing rings and strainers of windscreen washer pumps.

Coat sealing rings of windscreen washer pumps with lubricant.

Lay windscreen washer pump lines without kinks and clip into holders on fluid reservoir.

Fill washer fluid reservoir for windscreen washer system.

OBSERVE capacities.

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