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Engine - Technical Data - E90-E91 (-08); E92/E93 (N51/N52)
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34 valves with springs
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11 34 Valves with Springs N51 / B30
11 34 Valves with Springs N51 / B30
TECHNICAL DATA - VALVES WITH SPRINGS N51 B30
Plate dia.
Inlet
mm
34.2
±0.05
Exhaust
mm
29.0
±0.1
Stem Ø
Inlet
mm
5.0
-0.1
-0.06
Exhaust
mm
6.0
-0.1
-0.06