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E46 (1998-2006) E46 (1998-2006, petrol) E36 (1990-2000) E30 (1982-1994) E21 (1975-1983)
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  • MOTRONIC injection device

MOTRONIC injection device (BMW 3 Series E30)

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The engine speed is measured directly by an inductive speed sensor located near the flywheel.

Caution: When working on the fuel injection system, it is necessary to maintain impeccable cleanliness. Before removing, the relevant parts must be cleaned with gasoline. The system is under high pressure. Therefore, before replacing parts, it is necessary to relieve the pressure by slowly releasing the fuel pipe on the cold start nozzle. In this case, it is necessary to place a rag at the connection point. Danger of fuel escaping under pressure! Wipe off leaking fuel with a rag.


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БМВ E30: Fuel injection
Next articles

LU-JETRONIC injection device
L-/LE-JETRONIC injection device
Injection device L-/LE-/LU-JETRONIC, MOTRONIC
Rules for maintaining cleanliness when working with a fuel injection…
Safety rules for working with fuel injection devices
Checking the idle speed and CO content
Removal and installation the fuel pump
Removal and installation, checking of the starting valve


Similar articles on other types of BMW cars:
Rules for maintaining cleanliness when working with a fuel injection… BMW 5 Series E34 (1988-1996)
Injection system device with a high-pressure common fuel line… BMW 5 Series E39 (1995-2003)
Scheme 1. Fuel injection systems «Motronic» BMW 7 Series E32 (1986-1994)
Fuel injection system injectors (N47) BMW X3 E83 (2003-2010)
Fuel injection system — general information BMW X5 E53 (1999-2006)
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BMW E46 (1998-2006) 
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BMW E46 (1998-2006, petrol) 
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BMW E36 (1990-2000) 
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BMW E30 (1982-1994) 
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  • Fuel injection
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BMW E21 (1975-1983) 
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