Sounds like dead amp
Had the same problem in 91 M5, replaced the seemingly flawless amp with one from another car and everything worked fine again.
Major Contributor
Sounds like dead amp
Had the same problem in 91 M5, replaced the seemingly flawless amp with one from another car and everything worked fine again.
1990 Islandgrun 535iM Sedan
3k oil changes | Euro lights + trim | Eibach/Bilstein | EAT Chip
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