Any other ideas? I have a few oil leaks so its hard to tell if it uses more oil than its supposed to. I took a closer look when this happened the other day and the smoke is actually white, not gray. Also there is a smell of burnt gas/oil in the cabin when this happens.

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90 560SEL
H&R springs
17" Alba Frontiers
Cross drilled rotors
Magnaflow Cat
European Headlights
WALD front bumper
Keyless Entry
Burlwood shiftknob
Clear corners, taillights
Limo tint
2 JL 12W6's, JBL BP1200.1, Pioneer P8200R