M57 E38/E39
• Exhaust backpressure distinctly reduced (< 200 mbar)
• Modified heat shields
• E38
1x primary catalytic converter Volume =1.7 litres
2x main catalytic converter Volume total = 2.66 litres
• E39
2x primary catalytic converter Volume total = 2.17 litres
2x main catalytic converter Volume total = 2.66 litres
M67 E38
• Close-to-engine catalytic converters
• Two-flute arrangement with two rear silencers
• Acoustically decoupled by means of corrugated tube
• Body connection similar to M62
• E38
2x primary catalytic converter Volume total = 3.22 litres
2x main catalytic converter Volume total = 5.77 litres
