PRE-RELEASE
Spark plugs
| Spark plugs |
| 1. |
With Motronic, 2.3/2.0 litre engines
|
|
| 2. |
With Trionic
|
|
| 3. |
With Motronic, V6
|
|
| 4. |
Wire gauge
|
|
|
Engine
|
Designation
|
|
2.0 l fuel injection
|
NGK BCP 5EV (Precious metal)
|
|
2.0 Turbo
|
NGK BCPR 7ES
|
|
2.3 l fuel injection
|
NGK BCP 6EV (Precious metal)
|
|
V6 fuel injection
|
Bosch FR 8 LDC (Normal driving) Bosch FR 7 LDC (Hard driving)
|
| Electrode gap |
Tool 85 80 045
Spark plugs (type 1 in the Fig.) should be checked and adjusted using tool 85 80 045. Spark plugs (types 2 and 3 in the Fig.) should be checked with a wire gauge.
|
Engine management system
|
Engine
|
Electrode gap, mm (in)
|
|
Motronic
|
2.3/2.0 l
|
0.6 ± 0.1 (0.023 ± 0.004)
|
|
Trionic
|
2.0 l
|
1.0 - 1.1 (0.039 - 0.043)
|
|
Motronic
|
V6
|
0.8 ± 0.1 (0.031 ± 0.004)
|
Turning torque, spark plugs 27 Nm (20 lbf ft).
| Spark plug replacement, B258 engine |
Tightening order for intake manifold, B258
| • |
Remove the intake manifold.
|
|
| • |
Change the spark plugs.
|
|
| • |
Refit the intake manifold.
|
|
Tightening torque, intake manifold: 20 Nm (15 lbf ft)
Note: Tightening order for intake manifold.
| Spark plug replacement recommendations |
| 1. |
Tool 83 94 785 - complete
|
|
| 2. |
Sleeve 83 94 843
|
|
|
Petrol
|
Replacement interval km miles
|
|
|
Unleaded
|
60000 36000
|
|
|
Leaded petrol
|
20000 12000
|
|
| Important | ||
|
Use tool 83 94 785 to avoid all danger of breaking the spark plugs. |
||
