1986 BMW L7 service and repair manual — a detailed, factory-style reference for maintenance, diagnostics, and repair. Use it to confirm correct procedures, specifications, and system coverage before you start work.
Designed for technicians and DIY owners, this manual helps you troubleshoot accurately, follow step-by-step repair procedures, and reference wiring diagrams and system sections quickly while you work.
What’s included
- Step-by-step repair procedures and service information
- Specifications and reference data (where provided)
- Wiring diagrams and electrical sections
- Powertrain, brakes, steering, suspension, HVAC and more
Trims covered
- Base Sedan 4-Door
Engines covered
- 3.5L 3430CC l6 GAS SOHC Naturally Aspirated
Index / Table of contents
- Body
- Brakes
- Chassis Electrical
- Driveline
- Engine Cooling
- Engine Electrical
- Engine Mechanical
- Engine Performance & Emission Controls
- Fuel System
- General Information & Identification
- Heating, Ventilation, & Air Conditioning
- Hybrid & Electric Vehicle Systems
- Steering
- Suspension
- Transmission, Clutch, & Transfer Case
- Wiring Diagrams
BRAKE LIGHT SWITCH COULD OVERHEAT, EVENTUALLY LEADING TO MELTING OF PLASTIC INTERNAL PARTS IN AREA OF ELECTRICAL CONTACTS.
CONSEQUENCE OF DEFECT: SWITCH PLUNGER COULD JAM, RENDERING BRAKE LIGHTS EITHER INOPERATIVE OR CONTI
REPLACE BRAKE LIGHT SWITCH WITH REVISED SWITCH WITH INCREASED ELECTRICAL LOAD CAPACITY.
IF YOU RAISE THE RPM ABOVE 2500 YOU DESTROY THE TRANSMISSON. PLEASE DESCRIBE. TT
Showing the 1 most serious of 2 complaints filed with NHTSA.
