Okay here's the story:

This summer I bought my 300D. With the last few days getting cold up here, I used the heater for the first times. The previous owner was an old French man, and I can tell he probably smoked a pack of cheap Gitanes in that car, every day for the last 30 years.

I haven't found any litterature mentioning an air cabin filter for my car. What would be an effective way of getting rid of that awful smell?

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1984 W123 300D
1974 VW Bug