MOTRONIC ignition system, V6 engine

Firing order

1-2-3-4-5-6

Spark plugs

Engine		Type	Remarks
B258		Bosch FR8LDC FR7LDC	For hard driving
Replacement interval US Others			See applicable service programme
Electrode gap	mm	0.8
Tightening torque (non-lubricated plug)	Nm	25

Ignition coil

Resistance of primary winding across terminals 1 and 15	Ohm	0.42-0.58
Resistance of secondary winding across terminal 1 and the HT terminal	kOhm	10.2-13.8

HT leads

Resistance of lead (including connectors) between distributor and plug

kOhm

7-9 (rear cylinder row) (1, 3, 5) 2-6 (front cylinder row) (2, 4, 6)