Campaign - L/H Engine Mount Support Replacement
GROUP 22Engine and Gearbox Suspension
Bulletin Number
22 01 01
Woodcliff Lake, NJ
August 2001
Service Engineering
PERFORM THE PROCEDURE OUTLINED IN THIS SERVICE INFORMATION ON ALL AFFECTED VEHICLES THE NEXT TIME THEY ARE IN THE SHOP FOR MAINTENANCE OR REPAIRS.
Note:
Vehicles affected by this Service Action may also be affected by the Service Action described in Service Information bulletin 12 07 01 - Battery B+ Cable Replacement.
If a vehicle is affected by both Service Actions time should be scheduled accordingly to perform both repairs during the same visit.
SUBJECT:
Left Side Engine Mount Support Replacement
MODEL:
E52 Z8
SITUATION
Under extreme load conditions, the left side engine support may break, which will allow the left side of the engine to drop approximately 15 mm (5/8 inch) onto the front axle carrier.
AFFECTED VEHICLES:
This Service Action involves Z8 vehicles with S62 engines which were produced up to 11/21/2000.
In order to determine if a specific vehicle is affected by this Service Action, it will be necessary to utilize the "Service Menu" of the DCS (Dealer Communication System). Based on the response of the system, either proceed with the corrective action or take no further action.
The Chassis Number Ranges shown are only for informational purposes and are not to be considered as the only deciding factor.
CORRECTION PROCEDURE
Replace the left side engine mount support on all affected vehicles.
Note:
The below repair procedure is incorporated (With illustrations) in the repair manual, group 11, section 11 13 010.
1. Disconnect battery.
2. Remove left side upper section of the intake air filter housing with air mass meter.
3. Remove power steering fluid reservoir from bracket and move toward the front of the engine compartment. Hoses remain connected.
Note:
Do not lay reservoir on its side since fluid will escape through the cap breather hole.
4. Open engine oil filter housing cover to allow oil in the housing to flow back into the engine oil sump.
5. Remove the heater valve with support bracket from left frame rail / shock tower and lay aside. Hoses remain connected.
6. Remove 2 top engine mount nuts (left and right side).
7. Remove the engine and transmission plastic covers from under vehicle.
8. Drain engine coolant in a clean drain pan, to be reused after repairs have been performed.
9. Remove upper radiator hose (left side) from radiator.
10. As outlined in repair manual group 11, section 11 13 010, carefully raise the engine (using BMW special tools) approximately 6 - 8 millimeters (1/4 inch).
11. Replace the left side engine mount support.
Note:
Install new 0 rings.
Torque specifications:
Engine mount support to block (M8 bolts) = 22 - 24Nm (16 - 18ft.lb.)
Top engine mount nut (M10) = 42Nm (31ft.lb)
12. Reinstall all components removed above, in reverse order and reconnect battery.
Note:
Refill engine coolant and bleed coolant system as outlined in repair manual group 17, section 17 00 039.
PARTS INFORMATION
LABEL INSTRUCTIONS
This Service Action has been assigned code number 307. After the vehicle has been checked, and corrected if necessary, obtain a label (SD 92-170) and:
a. emboss your BMW dealer warranty number in the middle of the label (1);
b. punch out code number 307 printed on the label and,
c. affix the label to the B pillar as shown.
If the vehicle already has a label from a previous Service Action/Recall Campaign, affix the new label next to the old one. Do not affix one label on top of another one because a number from an underlying label could appear in the punched-out hole of the new label.
WARRANTY INFORMATION
Reimbursement for this Service Action will be provided through Campaign Entry.