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Fuel System

At a time when carburetors were King, BMW introduced fuel injected engines into production cars. They proved so successful, suddenly there was a new King! 

Over the years, BMW fuel injection systems have taken many forms. The classic 2002 tii used a Kugelfischer fuel injection system, but most BMW fuel injection systems have been made by Bosch. Some of the more common BMW systems are Jetronic and Motronic.

featured sites

Featured Sites

Motronic Fault Codes from Unofficial BMW/Jim Conforti shows how to get the fault codes to appear on the "Check Engine" light, and then how to read the codes. Click here for Unofficial BMW Motronic page.

How to get BMW Flash Codes instructions from Bonneville Motorwerks.

Fuel Injection System tech tips from All BMW Parts.

Korman info and tables:

Airflowmeter_Adjustments from a BMW electronics technician.

L-JET TO Motronic Conversion tip from FirstFives describes how to upgrade to Motronic.

E28 Home Page has a FAQ on the idle control system of Motronic system cars.

Unichip ECU from Air Power Systems.

88 pin Motronic Reference PDF file for download.

Fuel Injection Information site contains information on the Bosch D-Jetronic and L-Jjetronic electronic fuel injection systems:

Intake System Deposits can Effect Performance and Emissions, says Chevron.

Hot Rod Magazine archives has articles and tips on fuel injection.

Common Fuel Injector Flow Rates for Bosch and other injectors.

diy_efi is a Do-It-Yourself Electronic Fuel Injection project with software, mailing-list and more.

books

Books

Books (USA):
  • Bosch Fuel Injection and Engine Management by Charles O. Probst 
  • How to Tune and Modify Bosch Fuel Injection by Ben Watson
  • Diesel Fuel Injection by Robert Bosch
  • Fuel Injection : Installation, Performance Tuning, Modification from Motorbooks International Powerpro by Jeff Hartman 
  • Engine Management Systems, Vol. 3, Asian by Autodata Publications 
  • Fuel Spray Technology and Applications by Society of Automotive Engineers
  • Technology for Diesel Fuel Injection and Sprays by Society of Automotive Engineers
  • The Haynes Fuel Injection Manual : The Haynes Workshop Manual for Automotive Fuel Injection Systems 1978 Through 1985 by Don Pfeil, John H. Haynes 
  • Diesel Engine and Fuel System Repair by John F. Dagel, Robert N. Brady (Contributor)

Books (UK):
  • Bosch Fuel Injection and Engine Management by Charles O. Probst 
  • How to Tune and Modify Bosch Fuel Injection by Ben Watson
  • Distributor Fuel Injection Pump Type VE by Bosch
  • Fuel Injection : Installation, Performance Tuning, Modification from Motorbooks International Powerpro by Jeff Hartman 
  • Automotive Engine Management & Fuel Injection Manual by Charles White
  • Restoration & Miscellaneous: Electronic Fuel Injection Manual / Mitchell's a Troubleshooting Guide by Robert Bentley
  • Diesel Fuel Injection-An Overview by Robert Bentley
  • Diesel Fuel Injection and Controls: Student Book by D. Bowler
  • Fuel Injection 4 - Models Introduced Between 1991-93 from Autodata
  • Fuel Injection 5 - Models Introduced Between 1993-94 from Autodata
  • Direct Fuel Injection for Gasoline Engines (Progress in Technology, 80) by Arun S. Solomon (Editor), Richard W. Anderson (Editor), Paul M. Najt from Society of Automotive Engineers
  • Fuel Spray Technology and Applications from Society of Automotive Engineer
  • Technology for Diesel Fuel Injection and Sprays from Society of Automotive Engineer
  • The Haynes Fuel Injection Diagnostic Manual : The Haynes Automotive Repair Manual for Maintaining, Troubleshooting and Repairing Fuel Injection systems by Mike Stubblefield, John Harold Haynes
  • The Haynes Computer Codes and Electronic Engine Management Systems Manual : The Haynes Automotive Repair Manual for Maintaining, Troubleshooting (1986 thru 1996) by Robert Maddox, John H. Haynes, John Harold Haynes
  • The Haynes Fuel Injection Manual : The Haynes Workshop Manual for Automotive Fuel Injection Systems 1978 Through 1985 by Don Pfeil, John H. Haynes 

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