BMW 3 Series E30 car engine power system

Engine power system. general information
The engine fuel system includes the fuel tank, fuel lines, fuel filter, fuel pump, and carburetor or fuel injection device with an air filter. The fuel tank is...

Carburetor adjustment
Each carburetor is tested and adjusted at the factory. The factory setting must not be changed. The decrease in power and increase in fuel consumption most...

Rules for keeping cleanliness when working on the fuel system
When working on the fuel system, be sure to observe the following rules: Thoroughly clean the connections and their surroundings before removing them. Place...

Checking and adjusting the idle speed and CO content
Warm up and turn off the engine. The oil temperature must be at least 60°C. Switch off electrical consumers. Check the condition of the air filter element (see...

Carburetor PIERBURG-2B4
In the event of deviations, adjust the idle speed with the adjusting screw -1-. Check CO content. Setpoint see table in section « Ignition system ». If the CO...

Checking and adjusting the performance of the accelerator pump
The amount of fuel injected by the accelerator pump must be checked with its increased consumption and transient disturbances during gas supply, with poor...

Removal and installation of the carburetor
Withdrawal Disconnect the ground wire from the battery. Remove air filter (see section « Removal and installation of the air filter »). Remove throttle cable...

Carburetor PIERBURG-2BE
Installation Remove the rag, place the carburetor on the insulating flange and tighten the fastening screws with a tightening torque of 10 Nm. Connect the fuel...

Throttle cable adjustment
Attention: The throttle cable is sensitive to bending and therefore requires special care during installation. A single slight bend in the cable can cause it...

Disconnecting the throttle cable from the carburetor
Remove air filter (see section « Removal and installation of the air filter »). Operate the throttle lever -1- to unload the nipple -6- of the throttle cable....

Checking the idle speed — adjusting the CO content
There is no idle speed adjusting screw on the 2BE carburetor. To slightly increase the idle speed, you can connect the plug connection on the carburetor...

Check, removal and installation of a regulator of the air damper
Air damper mounted on an eccentric support. roughly corresponds to the choke on the old carburetor. The air damper regulates the ratio of the mixture of air...

Removing and installing, checking the throttle valve controller
The throttle control is required to automatically control engine starting, engine warm-up, top speed, idle, overdrive shutdown, and engine shutdown. The...

Removal and installation, checking the throttle potentiometer
The throttle potentiometer is connected to its axis and is a throttle position sensor for the carburetor control unit. Withdrawal Remove air filter (see...

Removal and installation of the air filter
Withdrawal Remove bolt -1-. Open quick locks (arrows) and remove the air filter cover. Pull out the filter element. Loosen the nuts (arrows) attaching the air...

Carburetor basic data
Carburetor type - 2V4 Release period - September 1982 - August 1983 Index - 1284605.9 Number of turns of idling — 850±50 rpm CO content - max. 1.0% Carburetor...

Removal and installation, check of the gauge of a stock of fuel
When the fuel level in the fuel tank drops, the float of the fuel reserve sensor drops. This increases the resistance of the sensor, removed from the sliding...

Removal and installation of the fuel pump
The fuel pump is located on the side of the cylinder head and is driven by the camshaft. Withdrawal Attention: Do not make open fire! Fire hazard! Clamp the...

Carburetor maintenance work
Replacing the air filter element The filter element should be replaced every 20,000 km. In case of severe dust, replacement should be carried out more often....

Carburetor Troubleshooting
To troubleshoot using this table, the necessary conditions are the perfect adjustment and functioning of the engine, all units mated to the carburetor, as well...