The BMW E28 automobile platform was the basis for the 1981 through 1988 BMW 5-Series automobiles. The European model form BMW E28 series range from 518 M10B18 carburetted, 518i M10B18 fuel-injected engine, 520i M20B20 early, fuel-injected engine, 520i M20B20 late, fuel-injected engine, 524d M21D24 diesel 2.4 L e ngine, 524td M21D24 turbocharged diesel 2.4 L engine, 525i M30B25 fuel-injected (LE-Jetronic) 2.5 L engine, 525e M20B27 fuel-injected (Motronic) 2.7 L high efficiency engine, 528i M30 fuel-injected BMW E28 524TD Electrical Cable Harness Routing(LE-Jetronic) 2.8 L engine, 535i M30B34 fuel-injected (Motronic) 3.4 L engine, to the M5 S38 fuel injected 3.5 L engine. (for more information about BMW E28 series visit wikipedia).

The following article apply for the 1986 BMW E28 524TD’ electrical system. Here you will find detail information regarding the service and troubleshooting procedures for 524TD electrical system. There is also detail description and illustration about the electrical schematic/circuit and wiring diagram of the vehicle which covers following components/functions: power distribution system, glow plugs control, charging system, start, engine control block diagrams, injection electronics, brake lining warning, antilock breaking system (ABS), power mirrors, central locking, power windows and seats, sunroof, body electrical system, wiper and washer, instrument cluster, active check control, light switch details, headlight, fog light, hazard lights, stop and interior light, A/C temperature control, A/C blower control, radio, power antenna and audio system, cruise control, and component location chart.

Find the detail information about 1986 BMW E28 524TD Electrical Cable Harness Routing Service and Troubleshooting manual here – 11.84 MB PDF file. (source:, Other BMW Automotive Wiring Diagram you may interest.

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