So for the non iS models with Airbags ONLY on the rear axel, is it safe to assume that the comfort airbags should be bought where the Sport are only for the iS model e53's?
RockAuto sells them for $150 CAD where as Arnott sells them for $133 USD. Canadians are much better off buying from Rockauto based on the exchange rate alone (plus RockAuto is awesome).

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I swear, my cars are like a girlfriend.
Sometimes its a rough ride, sometimes its smooth motorin'.
Sometimes she doesnt like how i treat her and sometimes i dont like how she behaves.
BUT at the end of the day, she loves it when I am inside her.

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'91 850i
'05 X5 4.4i
'09 Clubman S