Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
1990 BMW 535iFACTORY OEM SERVICE PROCEDURE
Fault Code & Test Code Printout (12 11 97)
Publication date: 1997-08-01
Reference number: 12 11 97
Supersedes refnos: 12 09 88 (1719)
FAULT CODE & TEST CODE PRINTOUT
Reference number: 12 11 97
Supersedes refnos: 12 09 88 (1719)
FAULT CODE & TEST CODE PRINTOUT
TECHNICAL SERVICE BULLETIN
Reference Number(s): 12 11 97, Date of Issue:
August, 1997
Superceded Bulletin(s): 12 09 88 (1719), Date of Issue:
May, 1989
| BMW: | All Models |
| GROUP: | 12 - Engine Electrical System |
Factory Service Tools
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.
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