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.
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HOMESERVICE MANUALSBMW1999328I 2D CONVERTIBLE, AUTOMATICREPAIR AND DIAGNOSIS (SINGLE PAGE)ENGINE PERFORMANCETESTING & DIAGNOSISDIAGNOSTIC TROUBLE CODES WITH TEST CHARTS
1999 BMW 328i 2D Convertible, Automatic
Diagnostic Trouble Codes With Test Charts
1999 BMW 328i 2D Convertible, AutomaticSECTION Diagnostic Trouble Codes With Test Charts
- Introduction
- Check Engine Light
- Self-Diagnostic System
- Drive Cycles
- Summary
- Diagnostic Trouble Code Definitions
- Diagnostic Trouble Code Cross-Reference & Tables
- Notes
- DTC Chart (M3, M Coupe, M Roadster & 328is, 6-Cylinder, 2.8L TLEV) - 1 Of 5
- DTC Chart (M3, M Coupe, M Roadster & 328is, 6-Cylinder, 2.8L TLEV) - 2 Of 5
- DTC Chart (M3, M Coupe, M Roadster & 328is, 6-Cylinder, 2.8L TLEV) - 3 Of 5
- DTC Chart (M3, M Coupe, M Roadster & 328is, 6-Cylinder, 2.8L TLEV) - 4 Of 5
- DTC Chart (M3, M Coupe, M Roadster & 328is, 6-Cylinder, 2.8L TLEV) - 5 Of 5
- DTC Chart (Z3, 323i, 328i & 528i, 6-Cylinder, 2.8L LEV) - 1 Of 5
- DTC Chart (Z3, 323i, 328i & 528i, 6-Cylinder, 2.8L LEV) - 2 Of 5
- DTC Chart (Z3, 323i, 328i & 528i, 6-Cylinder, 2.8L LEV) - 3 Of 5
- DTC Chart (Z3, 323i, 328i & 528i, 6-Cylinder, 2.8L LEV) - 4 Of 5
- DTC Chart (Z3, 323i, 328i & 528i, 6-Cylinder, 2.8L LEV) - 5 Of 5
- DTC Chart (318ti, 4-Cylinder) - 1 Of 3
- DTC Chart (318ti, 4-Cylinder) - 2 Of 3
- DTC Chart (318ti, 4-Cylinder) - 3 Of 3
- DTC Chart (323is, 6-Cylinder, 2.5L TLEV) - 1 Of 5
- DTC Chart (323is, 6-Cylinder, 2.5L TLEV) - 2 Of 5
- DTC Chart (323is, 6-Cylinder, 2.5L TLEV) - 3 Of 5
- DTC Chart (323is, 6-Cylinder, 2.5L TLEV) - 4 Of 5
- DTC Chart (323is, 6-Cylinder, 2.5L TLEV) - 5 Of 5
- DTC Chart (540i, 740i & 740iL, V8 ) - 1 Of 5
- DTC Chart (540i, 740i & 740iL, V8 ) - 2 Of 5
- DTC Chart (540i, 740i & 740iL, V8 ) - 3 Of 5
- DTC Chart (540i, 740i & 740iL, V8 ) - 4 Of 5
- DTC Chart (540i, 740i & 740iL, V8 ) - 5 Of 5
- DTC Chart (750iL, V12) - 1 Of 4
- DTC Chart (750iL, V12) - 2 Of 4
- DTC Chart (750iL, V12) - 3 Of 4
- DTC Chart (750iL, V12) - 4 Of 4
- Diagnostic Trouble Code Cross-Reference & Tables
- Component Locations
- Connector Identification
- Test Group Identification
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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.