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      04-24-2016, 08:47 AM   #1
AshlandTE87
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Big Daddy Mini Cat

Good morning all. Is anyone using the Big Daddy mini cat?

http://www.bigdaddiesgarage.com/mini...ddies%20Garage

I tried a search but wasn't successful. Because I need to have emissions performed annually, I will be switching out my cat and DP at least once a year. Doing it once a year doesn't bother me but I will still be going in for scheduled service through the 40k mile mark (currently have 14k on the odometer) and I'm trying to avoid 2+ changeovers per year. I'm currently building a good relationship with my SA and am wondering if it will get to the point where I can bring the car in for scheduled service with my DP. As I would remove the JB4, my thought is that the Big Daddy mini cat will keep the car from throwing a CEL.

Thoughts? Thanks!
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      04-25-2016, 05:10 PM   #2
miguel _f32
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ya I had them they keep the cel light off for about 200 miles if you have a dp on then you would have to clear the light if you don't have a dp it stays off
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      04-26-2016, 08:59 AM   #3
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Quote:
Originally Posted by miguel _f32 View Post
ya I had them they keep the cel light off for about 200 miles if you have a dp on then you would have to clear the light if you don't have a dp it stays off
Why would you buy them if you don't have a dp?

Quote:
Originally Posted by Martz87 View Post
Thoughts? Thanks!
Did you end up buying one?
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      04-26-2016, 12:06 PM   #4
AshlandTE87
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Ok, thanks. So.....would the thought be that it is prone to burning out within 200 miles?

No, haven't pulled the trigger yet as I was hoping there were a number of folks with experience.
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      04-26-2016, 12:49 PM   #5
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Quote:
Originally Posted by Martz87 View Post
Ok, thanks. So.....would the thought be that it is prone to burning out within 200 miles?

No, haven't pulled the trigger yet as I was hoping there were a number of folks with experience.
Don't think the other guy knows what he is talking about.

Two more threads on the topic:
http://www.n54tech.com/forums/showth...gdaddiesgarage

http://www.n54tech.com/forums/showth...gdaddiesgarage

I'll buy one and see how it goes.
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      04-26-2016, 02:55 PM   #6
AshlandTE87
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Quote:
Originally Posted by austinTX View Post
Don't think the other guy knows what he is talking about.

Two more threads on the topic:
http://www.n54tech.com/forums/showth...gdaddiesgarage

http://www.n54tech.com/forums/showth...gdaddiesgarage

I'll buy one and see how it goes.
Thanks! That gives me some additional confidence in spending the $.
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      05-19-2016, 04:10 PM   #7
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You pull the trigger yet?
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      05-20-2016, 12:39 AM   #8
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Sub'd. this would save me some cash on Catted DP's
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      05-20-2016, 08:08 AM   #9
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I ordered one but won't be able to install for a couple weeks. I'll report back after the install.

Plenty of positive feedback on other forums: link
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      05-20-2016, 08:25 AM   #10
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Looks bad ass!
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      05-20-2016, 08:31 AM   #11
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This would definitely help me when it comes to my downpipe choice. Could save my like 600 bucks lol. Also, is the mini cat for the pre or post sensor?
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      05-20-2016, 08:50 AM   #12
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Quote:
Originally Posted by Chicken_Joe View Post
This would definitely help me when it comes to my downpipe choice. Could save my like 600 bucks lol. Also, is the mini cat for the pre or post sensor?
I'm going to install mine on the post sensor.
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      05-20-2016, 08:51 AM   #13
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Quote:
Originally Posted by austinTX
Quote:
Originally Posted by Chicken_Joe View Post
This would definitely help me when it comes to my downpipe choice. Could save my like 600 bucks lol. Also, is the mini cat for the pre or post sensor?
I'm going to install mine on the post sensor.
That makes sense.
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      05-20-2016, 02:04 PM   #14
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Very interested in the results ... Keep us posted
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      05-21-2016, 05:49 AM   #15
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      05-22-2016, 08:01 PM   #16
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I have the big daddy mini-cat with a VRSF catless downpipe. It's been installed on my 2015 335i for about a year and 12,000 miles. I got a CEL on a long 500 mile road trip when really pushing the car through the mountains. The CEL cleared after a week. My only other mod is an AA8 stage one piggy back tune. I've been in for service, nothing was mentioned (I only removed the AA8 tune). My SA is cool, I'm sure he could have said something as you can tell by the sound and smell but he has an M3 with JB4. I highly recommend the big daddy mini-cat, it will get you past your inspections.
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AA8 Tune, VRSF DP
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      05-22-2016, 09:29 PM   #17
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Quote:
Originally Posted by EBII335 View Post
I have the big daddy mini-cat with a VRSF catless downpipe. It's been installed on my 2015 335i for about a year and 12,000 miles. I got a CEL on a long 500 mile road trip when really pushing the car through the mountains. The CEL cleared after a week. My only other mod is an AA8 stage one piggy back tune. I've been in for service, nothing was mentioned (I only removed the AA8 tune). My SA is cool, I'm sure he could have said something as you can tell by the sound and smell but he has an M3 with JB4. I highly recommend the big daddy mini-cat, it will get you past your inspections.
Damn thats awesome! Thanks!!
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      05-25-2016, 03:59 AM   #18
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Yes, thanks for the feedback!
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      05-26-2016, 03:54 AM   #19
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Did not work for N26 Catless DP
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