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Smog/air injection pump replacement suggestions

bunty660

E500E Enthusiast
Member
Hi All,

our 92 500 is running crisp but has the air pump whining now , also yesterday cel came on looks like air injection symptoms.

my question is has anyone recently refurbished their air injection unit, if so who did you go with.
did look at previous posts but need most recent experience .

Bunty
 
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