My '97 E39 BMW is on its original. My brother has a newer 3 Series which has the exhaust replaced, though. And he said through rust.
My '97 E39 BMW is on its original. My brother has a newer 3 Series which has the exhaust replaced, though. And he said through rust.
I think cats are the key here. They cause much less acidic residue to be left behind when you stop. It was almost a golden rule previously that exhausts would spring a hole where the moisture pooled.
I still have the original exhaust on my car at 15 years old. My wife's car, which does short journeys, had to have a new section last year. At 13.
Andy
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