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Help. My e39 is very slow
Hey everyone,
About two months ago, I bought a 2001 BMW E39 530i. Previously, my dad had the exact same model, and even though we barely maintained that one, it was noticeably faster than mine is now.
Currently, my car is running Euro 0 software. One issue I know of is that the DISA valve is faulty, and I’m planning to replace it soon.
Another problem is that the ASC/DSC warning light is constantly on. Several mechanics told me that my ABS module is faulty, but I believe the ABS unit itself is in good condition.
Any suggestions on what else could be causing the loss of power and the ASC/DSC light? I’d really appreciate your help or advice from anyone who’s dealt with something similar.
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