3 Series E30 324td (M21) TOUR
11 12 Cylinder head with valve seat cover M21 D 24 W, D 24 WA
Valve seat angle
°
45
Correction angle outside
°
15
Correction angle inside
°
60
Valve seat width (dimension "B")
Intake
mm
1.75
±
0.25
Exhaust
mm
2.75
±
0.25
Valve seat diameter
Intake, outside
∅
mm
34.5
Exhaust, outside
∅
mm
30.6
Valve inset (dimension "R")
Intake
mm
0.65 ... 0.85
Exhaust
mm
0.85 ... 1.05
Combustion residue (dimension "B")
mm
0.02 - 0.07
TD Cylinder head with valve seat cover, M21, D 24 W, D 24 WA
BMW AG - TIS
25.01.2013 01:27
Issue status (12/2007) Valid only until next DVD is issued
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