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Home >> BMW >> 2011 >> Z4 35is >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 13 (Exhaust System - Tightening Torques (N52)) >> Exhaust Assembly >> 18 00 Exhaust Assembly

18 00 Exhaust Assembly

WARNING: This page is about a different variant/trim than selected.
TIGHTENING TORQUE SPECIFICATION - EXHAUST ASSEMBLY

  Type Thread Tightening specification Measure
1AZ Primary catalytic converter to turbocharger/or jacket pipe to catalytic converter M57/M57TU M10   42 Nm
M67     15 Nm
M30/M70   Tighten down compression spring with nut uniformly to full extent, then slacken by 1.5 turns 10 Nm
M51   Preload compression springs with nut to 27± 1 mm  
S50 M10   30 Nm
S54/ECE M10   27 Nm
S54/US M10   24 Nm
2AZ Exhaust pipe to flow section E23     25 Nm
3AZ Clamp for final muffler All M8   15 Nm
4AZ Catalytic converter on silencer E36/M42/M43/M44   Version with compression spring:
Evenly preload compression springs with nuts to 30 mm
 
5AZ Connection of positive and negative leads to E catalytic converter M73     5 Nm
6AZ Rear muffler to intermediate muffler E53 M8   30 Nm
7AZ Vacuum tank to retaining plate E46/M54 M8   10 Nm
8AZ Exhaust system to exhaust manifold M40/M42/M43/M44 M10   45 Nm
9AZ Primary cat. to exhaust system M57TU/E65     55 Nm