5 Series E34 525i (M50) SAL
Figure 1: Previous version:
1) Manifold
2) Idle speed control valve
3) Air hose, old version
4) Crankcase ventilation
5) Bellows
Figure 2: Modified version:
1) Manifold
2) Idle speed control valve
3) Modified air hose
4) Crankcase ventilation
5) Bellows with labyrinth/shielding
Additionally on M50 B20:
-
Install a modified bellows between throttle housing and air mass meter to reduce
soiling (please refer to Figs. 1, 2 and 3).
Fig. 3: Bellows with labyrinth/shielding:
1)
Crankcase ventilation
(KGE)
2)
Connection idle speed control
valve
x)
Shutoff in order to minimize soiling
through crankcase ventilation
Parts:
Idle speed control valve (service variant with
increased resistance to dirt)
BMW Part Number
M50 B20 without VANOS up to
8/92 (M3.1)
13 41 1 433 626
SI Idle control valve soiled M50
BMW AG - TIS
20.01.2013 18:27
Issue status (12/2007) Valid only until next DVD is issued
Copyright
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