Electrical Jack Problems of BMW 535

Insulation crumbling on all wiring inside both headlight (driver and passenger sides) units resulting in malfunctioning headlights, running lights, and marker lights. Unfortunately, a common problem and a huge safety concern. Issue is exacerbated but not caused by heat. Insulation on wiring to navigation, radio/media player, climate control unit, or ccc (car communication computer), crumbling causing malfunctions to occur in all the above sections. I suspect much of the car's wiring to be in similar, poor condition. I have read that many european cars from the '80s, '90s through the first ten or so years of the 21st century used a soy based, biodegradable wire insulation as part of a "green movement". This early implementation of said wire does not last much longer than 10 years, much less than that when exposed to heat. Please see: https://www. Bimmerforums. Com/forum/showthread. Php?2132684-headlight-wire-jackets-just-flake-off https://5series. . Read more...

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