As time goes on steel and rubber fuel lines tend to degrade and fall apart. If you see rust starting to form or rubber lines cracking, replace them to prevent a roadside failure.
A failed evap purge solenoid in your vehicle's evaporative emissions system will often have no noticeable symptoms beyond a check engine light, but it does cause your BMW to operate inefficiently and produce higher emissions. Solve your issues with this direct replacement from URO.
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