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What causes exhaust to come into the car?

Updated: 4/28/2022
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15y ago

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Your catilitic converter may be plugged with dirt and junk. this happened to my friend's BMW 318IS. go get a universal cat at any auto parts store. it should cost you about $60. One word of advise though; don't buy a used one, it could have been stolen from someone else's car!

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15y ago
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Q: What causes exhaust to come into the car?
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