BMW Z3
Workshop
CLASSIC BMW (RHD-UK)
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Useful Information
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Note: One recommends reading the diary first and then linking to workshop notes to maintain the continuity of the theme...
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A
(For Larger Final Diagram)>>>
Earth or Ground Strap
Press Starter Button
Relay
Car Ignition Switch
Power to Switches
inline Fuse
e.g. Fuel Pump
Starter Motor
Relay
C
Adding An Ignition Key, Push Start Using A Relay
For higher rating of accessory add a relay per accessory, at this stage the fuse rate can be lowered (inline) to a 5 amp
Pin 30 on Relay +
to Fuse - Blue wire
For higher load accessories:
The 3rd switch on the board controls the relay
Pin 87 is Yellow Wire + of e.g. Fuel Pump
Pin 86 is the White Wire + power's the relay from the switch
Pin 85 is the Black Wire - Ground
Y
Blu
BLK
W
To Starter Liver Terminal
+
+
+
+
+
+
-
-
+
+
+
+
Courtesy of Wiring Rescue (Jeremy) YTube:
Diagram 'C' will be used on the Z3 (2024)
No Liability Do On test bed First
to 3
4 to Starter
To 3
To 3
4 to Starter Motor Solenoid
4
3
Ground
G
pin 2
Constant 12V to fuse panel
Double click to start editing the text
Pin 1
with Jumper
Jumper goes
to 3 or 4
Lights
Relay
Red......... PIN to 3 or 4 Switch
White...... PIN
Blue........ PIN Starter
Black...... PIN 85 Ground
Off Side - Positive Live
