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Old 29th January 2013, 00:18   #1
XFengineering
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Cost of catalytic converter

I have a E60 M5,
last time I check out the whole catalytic converter system, it was quite pricey,and since I love to push my car from time to time and I am planning to own this car long term, I am afraid the catalytic converter will age prematurely from the high heat of the exhaust, should I :
1. purchase warranty for the catalytic converter?
2. ask a shop to make a bolt on section for test pipe or interchange with catalytic converter from other "more universal" part?
so I can always have brand new CAT when it comes to time for smog test?
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Old 29th January 2013, 00:59   #2
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3. Rely on the 8yr/80k federal warranty for the OEM equipment. Keep your air filter and O2 sensors in top condition.
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Old 29th January 2013, 01:11   #3
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3. Rely on the 8yr/80k federal warranty for the OEM equipment. Keep your air filter and O2 sensors in top condition.
this.
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Old 29th January 2013, 01:18   #4
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but how about after the 8yr/80k federal warranty ? (remember I said long term?)(with the ever strigent California smog law)
plus I would go through the 80k like nothing
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Old 29th January 2013, 01:32   #5
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Thermal failure is more a result of fuel getting into the exhaust, ( misfire, leaky injectors ect), than "pushing" the car.

Killers of Cats
1)Thermal failure
2)Plugging, running rich, leaded fuel, ect
3)Impact damage.
4)Dogs


Just keep the car in top shape ,don't do anything too stupid and then forget about it and enjoy the car
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Old 29th January 2013, 02:11   #6
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YA!!!! i once hit a dog, it really f-uped my cats

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Originally Posted by Ferris View Post
Thermal failure is more a result of fuel getting into the exhaust, ( misfire, leaky injectors ect), than "pushing" the car.

Killers of Cats
1)Thermal failure
2)Plugging, running rich, leaded fuel, ect
3)Impact damage.
4)Dogs


Just keep the car in top shape ,don't do anything too stupid and then forget about it and enjoy the car
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Old 29th January 2013, 02:49   #7
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Quote:
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Killers of Cats
1)Thermal failure
2)Plugging, running rich, leaded fuel, ect
3)Impact damage.
4)Dogs
Very funny

The catalytic converter has been stolen twice from a friend's 4runner
Older 4runners are a common target, since the cat is easy to access.
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Old 29th January 2013, 03:07   #8
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Quote:
Originally Posted by chowdah View Post
3. Rely on the 8yr/80k federal warranty for the OEM equipment. Keep your air filter and O2 sensors in top condition.
+1
The cats are very expensive from BMW. Aftermarket headers would be the most practical solution after the warranty expires.
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Old 29th January 2013, 03:23   #9
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Quote:
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+1
The cats are very expensive from BMW. Aftermarket headers would be the most practical solution after the warranty expires.
He's in California though and I'm not aware of any aftermarket cats for the E60 that will pass visual inspection.
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Old 29th January 2013, 03:24   #10
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Quote:
Originally Posted by XFengineering View Post
I have a E60 M5,
last time I check out the whole catalytic converter system, it was quite pricey,and since I love to push my car from time to time and I am planning to own this car long term, I am afraid the catalytic converter will age prematurely from the high heat of the exhaust, should I :
1. purchase warranty for the catalytic converter?
2. ask a shop to make a bolt on section for test pipe or interchange with catalytic converter from other "more universal" part?
so I can always have brand new CAT when it comes to time for smog test?
I like your #2. That's what I'm doing.
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