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.
SYS.OK|MANUAL.DB● LIVE
HOMESERVICE MANUALSBMW1999328I 2D CONVERTIBLE, AUTOMATICREPAIR AND DIAGNOSIS (SINGLE PAGE)ELECTRICALGAUGESCOMMUNICATION SYSTEMS - SERVICE INFORMATIONCAR PHONE PROFESSIONALNOTES FOR SERVICE STAFFPROFESSIONAL CAR PHONE DIAGNOSTICS
1999 BMW 328i 2D Convertible, Automatic
Professional Car Phone Diagnostics
1999 BMW 328i 2D Convertible, AutomaticSECTION Professional Car Phone Diagnostics
Option 638 "Professional car phone" can be connected to the vehicle diagnostics connector for diagnostics using the BMW diagnosis system. Diagnostics with the BMW diagnosis system comprises:
- Identification/read Bluetooth passkey
- Reading fault memory
- Clearing fault memory
- Diagnostics request
RENDER: 1.0x
NO RELATED
Recommended Tools & Savings
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Affiliate disclosure: We may earn a commission at no extra cost to you.
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.