Thank you so much for the info and saving me the headache! I was personally going to just turn off the burble and cold start-up roar for my inspection. But now I'm definitely going to revert it back to stock and drive a bit before inspection.
@@BIMMERLEAGUE Thanks again and keep up the amazing content! Just a little fun fact, your muffler delete video was also the main reason why I got my muffler delete 😂
I have a challenger and dealing with CA state ref.. TY for posting this video as it was the closest thing to what I was looking for to help me confirm a solution.
Glad I found this a few weeks ago. I just bought a e90 335i today and no codes no check engine light after driving about 80 miles just the catalyst monitor not ready. It's mhd stage 1 plus I'll be buying a mhd tomorrow local and hopefully get that monitor readiness gone
I can't speak about BMWs specifically, but the issue isn't that you are tuned. The issue is that the tune you are running disabled the rear O2 sensors. Many tuners do this by default so that their customers running catless downpipes, long tube headers, cat deletes, etc. won't throw a check engine light. Personally, I think it's dumb unless you speak to your customer about it first because every state has their own emissions requirements. In any case, if you still have stock converters, you should be able to get your tuner to give you a tuned file with the rear O2 sensors enabled. That way you should be able to get all readiness monitors to set correctly on a tuned map without having to constantly reflash for emissions testing.
I just ran into the same issue today. BMW wanted to charge me $150 to drive the car around until the monitor was ready. LOL Instead, I went to work, took it back after 60 miles or so, but had the same issue. That's when I noticed BM3 has a toggle switch for Catalytics Monitors. Taking it back Monday and hopefully toggling that setting to OEM gets it to pass PA emissions. For some reason BM3 isn't letting me flash back to stock, so I hope this works.
Hope that goes well i dont take mine in till December but I currently have a downpipe with my cel on and im trying to flash it so it doesnt show up for emissions
Hope that goes well i dont take mine in till December but I currently have a downpipe with my cel on and im trying to flash it so it doesnt show up for emissions
@@waddles6020 It did not go well. After the third attempt, they said I'd have to pay again. Going to drive it for a week or so on stock tune, CEL monitor switched to on/OEM via BM3, then take it somewhere else. And I did perform the drive cycle as defined. Actually I did it twice. I have til the end of the month so maybe I'll drive a couple weeks before re-attempting it.
Great to know as common as this was myself wouldve freaked out 😂but that does make sense the part where you'll need to wait a few days for the o2s to kick back back in all makes sense
Hard to flash back when you do FBO mods. Running stage 1 is not agressive at all and it's very easy to just flash back. Stage 2 and 2+ is very different and if add an xHP transmission time it's very very agressive. Good info for those that are using stage 1
@@xOscarIGZx when you leave "full bolt ons" (FBO) for your tune then flash back to stock you might not get what you want out of the car especially if you leave the catless downpipe on. so yes. if you want to take off all your bolt ons flashing back to stock is also ok. but mhd is still in the system. you should completely remove mhd (delete)
Kinda stuck in this type of situation but I actually have upgraded everything in the car including bigger turbo show in the hell could I pass ? I believe if I put it back to stock and do drive it lol the car is gana feel like shit and might cause problem? Not sure tbh
You have to go to the spots where they don't care. Here in Texas, I took my 08 m35 in with a cracked windshield, air bag light, hood zip tied shut, and no bumper. Not only did I pass I didn't even have to pay💀. Our inspection aren't as detailed as his, they check basic things like working lights, turn signals, horn, tint %, insurance, cracks in the windshield, and tires. My bmw is due the end of April and it has every mod as well as worn turbos making it smoke. So we'll see if they pass this vehicle too
I had a check engine light on my stage1 and flashed back to stock and my car turned in to a steamy pile of poop. Lurched and was inoperable. I put the stage1 back on and it runs like a champ. I messaged MHD and gave them the DME error and they asked how it was running, "steamy pile of poop' and they just said, flash to stage0...anyone pass smog with a stage0?
I'm currently not sure about something with my GR supra. I have a post June 2020 DME and need to send in my ECU to femto for an unlock with BM3 new customROM. When it comes time for emissions and I install my OEM cat and flash back to stock will it still fail emissions due to the Femto unlock?
That I’m not too sure . I can only state for a fact that they are able to see the MHD tune. I have no clue what they use to scan and the level of details they see
I'm curious... I've flashed back to stock and still getting too many Not Readys. Did you do a Drive Cycle? I've heard that's necessary to force the monitors back on otherwise you have to drive 200 miles
I have a catless downpipe and stage 1 tune I failed because of the catalyst not being ready. Can I get passed this if I just drive my car real slow for a few days and go back?
What if I got catless downpipes? Does that mean I have to flash to stock, and replace the catless downpipe with the stock ones? Or can i keep them as they are?
Hey man! I also live in Colorado. Was your car tuned with a cat less down pipe? I want to buy a bmw but it has a cat less down pipe on it. Will tuning it back to stock pop up a check engine light?
Hey, i just bought a x5 F15. Failed inspection today. So i just realized that it has a catless down pipe. Im assuming it has a tuned but im not sure by who. If i buy a tune from mhd how do they get the stock map? Is the stock within the car? I cant get in contact with the seller. But it failed emission becase of readiness could not get data from catalytic
Yea, my o2 sensor wont complete readiness. Is funny because i have catless DP but there is an aftermarket catalytic converter after the down pipe 🤔 and Stock exhaust. Im assuming i have to put back a catted down pipe to then put back the stock map. If i install the stock map with catless DP then the CEL will come on wont it
Yoo I’m in Thornton as well, I have to do emissions soon. My car is catless downpipe with straight pipe. (MHD Stage 2) So what I need to do is 1. Put on OEM catalytic converter 2. Tune MHD back to Stage 1?
@@sxmmyg Yes, but you'll have to check your emissions readiness monitors with something like OBD Fusion. It may take a few driving cycles for everything to show ready but once it does you're good to go.
It's interesting, My Car is MHD Stage 1, with an Active Autoworks Catted Downpipe and I've had the tune for 2 years and pass emissions M240i here. so this is quite interesting.
Robert lol muffler delete and resonator delete have nothing to do with the engine. Catless downpipe is like a straight ass pipe with no filter. Your engine will release toxic gas and stuff, that why you will gonne fail the emission.
Let the person who this was addressed to answer the question, depending on what state you are in it does matter, and who ever said anything about a catless downpipe??, of course your not passing with that!! Learning laws is like learning how to spell. And be prepared for decibel readers to be installed on cameras in cities and suburbs for exhaust. Now that they are not passing if you have a tune they soon won't be passing if you do not have factory exhaust or a MUFFLER. And not having or having an exhaust does have something to do with your engine, smh
@@robertdesousa6546 lol muffler muffles sound that’s all it does ! At this point of time in the state of Colorado you can pass emissions without muffler no issues whatsoever
That's what I was wondering lol. I have a 2015 535i rwd m package and I'm about to delete my mufflers after seeing your video. I live in NY and they are trying to pass a new law for exhaust to pass an inspection as well as trying to put up camera's that read your exhaust decibel to send you a ticket, as well as not passing you if you have a tune. So I will be keeping my mufflers if this does take effect. Thanks for all your videos, very inspiring 👍
I believe you can pass the inspection with stage 1 tune. The problem is do a driving cycle to let O2 sensor in ready status. Since stage 1 you can use stock cat.
@BIMMER LEAGUE yep it passed with an obd2 scan. The tune left the catalytic settings on factory. Although it does allow you to hide CEL from catless, this still wouldn't pass in NJ as doesn't change the "ready status" of cat. I was surprised too, as I expected to fail and switch back to stock to pass.
Enet cable can go wrong :D Mate, dont say stupid things. Enet cable is more stable then your adapater... Also let me know if you fuck up something in your car with bimmercode :D
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Thank you so much for the info and saving me the headache! I was personally going to just turn off the burble and cold start-up roar for my inspection. But now I'm definitely going to revert it back to stock and drive a bit before inspection.
These comments exactly what gives me the motivation! Thanks buddy 🙏 also you can check O2 sensor readiness in the MHD app Under “read codes”
@@BIMMERLEAGUE Thanks again and keep up the amazing content! Just a little fun fact, your muffler delete video was also the main reason why I got my muffler delete 😂
Hahaha good! Not it sounds like it should have ✌️
I have a challenger and dealing with CA state ref.. TY for posting this video as it was the closest thing to what I was looking for to help me confirm a solution.
Your comments is what makes me want to keep doing these videos ! Thank you
Glad I found this a few weeks ago. I just bought a e90 335i today and no codes no check engine light after driving about 80 miles just the catalyst monitor not ready. It's mhd stage 1 plus I'll be buying a mhd tomorrow local and hopefully get that monitor readiness gone
I can't speak about BMWs specifically, but the issue isn't that you are tuned. The issue is that the tune you are running disabled the rear O2 sensors. Many tuners do this by default so that their customers running catless downpipes, long tube headers, cat deletes, etc. won't throw a check engine light. Personally, I think it's dumb unless you speak to your customer about it first because every state has their own emissions requirements.
In any case, if you still have stock converters, you should be able to get your tuner to give you a tuned file with the rear O2 sensors enabled. That way you should be able to get all readiness monitors to set correctly on a tuned map without having to constantly reflash for emissions testing.
I just ran into the same issue today. BMW wanted to charge me $150 to drive the car around until the monitor was ready. LOL Instead, I went to work, took it back after 60 miles or so, but had the same issue. That's when I noticed BM3 has a toggle switch for Catalytics Monitors. Taking it back Monday and hopefully toggling that setting to OEM gets it to pass PA emissions. For some reason BM3 isn't letting me flash back to stock, so I hope this works.
Ah darn fingers crossed man.
Hope that goes well i dont take mine in till December but I currently have a downpipe with my cel on and im trying to flash it so it doesnt show up for emissions
Hope that goes well i dont take mine in till December but I currently have a downpipe with my cel on and im trying to flash it so it doesnt show up for emissions
@@waddles6020 It did not go well. After the third attempt, they said I'd have to pay again. Going to drive it for a week or so on stock tune, CEL monitor switched to on/OEM via BM3, then take it somewhere else. And I did perform the drive cycle as defined. Actually I did it twice. I have til the end of the month so maybe I'll drive a couple weeks before re-attempting it.
Ah darn it . Do you have a way to read the readiness? I was able to with the MHD app and my wireless adapter.
Great to know as common as this was myself wouldve freaked out 😂but that does make sense the part where you'll need to wait a few days for the o2s to kick back back in all makes sense
Hard to flash back when you do FBO mods. Running stage 1 is not agressive at all and it's very easy to just flash back. Stage 2 and 2+ is very different and if add an xHP transmission time it's very very agressive. Good info for those that are using stage 1
Also true statement 🤝
You shouldn't have to tube back for downpipe and a intercooler do u?
Why would that be the case? I plan on reverting back to stock tune once I change my downpipe back to stock
@@xOscarIGZx when you leave "full bolt ons" (FBO) for your tune then flash back to stock you might not get what you want out of the car especially if you leave the catless downpipe on. so yes. if you want to take off all your bolt ons flashing back to stock is also ok. but mhd is still in the system. you should completely remove mhd (delete)
Kinda stuck in this type of situation but I actually have upgraded everything in the car including bigger turbo show in the hell could I pass ? I believe if I put it back to stock and do drive it lol the car is gana feel like shit and might cause problem? Not sure tbh
You have to go to the spots where they don't care. Here in Texas, I took my 08 m35 in with a cracked windshield, air bag light, hood zip tied shut, and no bumper. Not only did I pass I didn't even have to pay💀. Our inspection aren't as detailed as his, they check basic things like working lights, turn signals, horn, tint %, insurance, cracks in the windshield, and tires. My bmw is due the end of April and it has every mod as well as worn turbos making it smoke. So we'll see if they pass this vehicle too
My lord 🤣👍
just did today on my m235i awesome vid thankyou
Of course!
THE DON OF BIMMER LEAGUE
Hahaha 🤣👍
A great vid bro.. thanks.
👍👍👍
Question is it possible to hook up a laptop or something to switch between tunes heard of that being done to deal with echeck but I'm not sure
Hei sir thanks for the video! I have a questions. Can i install Soft burbles on my 535if10 without to install catless downpipe?
Of course bud! And yeah totally, I have a MHD stage 1 with burbles and stock cats 👌
@@BIMMERLEAGUE thanks for the reply, do you notice a difference between stock and stage1?
Yeah definitely pulls harder
I had a check engine light on my stage1 and flashed back to stock and my car turned in to a steamy pile of poop. Lurched and was inoperable. I put the stage1 back on and it runs like a champ. I messaged MHD and gave them the DME error and they asked how it was running, "steamy pile of poop' and they just said, flash to stage0...anyone pass smog with a stage0?
Lmfao dude. that’s crazy , mine was totally fine on stock
I'm currently not sure about something with my GR supra. I have a post June 2020 DME and need to send in my ECU to femto for an unlock with BM3 new customROM. When it comes time for emissions and I install my OEM cat and flash back to stock will it still fail emissions due to the Femto unlock?
That I’m not too sure . I can only state for a fact that they are able to see the MHD tune. I have no clue what they use to scan and the level of details they see
What if you have a after market downpipe?
You won’t pass emissions with downpipe man not in Colorado at least
I have bootmod3. Its tuned back to stock, but do I have to lock DME??
Naw you’re good
Hi how about with careless down pipe? Does that works?
Nope that won’t pass
I'm curious... I've flashed back to stock and still getting too many Not Readys. Did you do a Drive Cycle? I've heard that's necessary to force the monitors back on otherwise you have to drive 200 miles
That is also correct 👍
I have a catless downpipe and stage 1 tune I failed because of the catalyst not being ready. Can I get passed this if I just drive my car real slow for a few days and go back?
Unfortunately no you have to put your stock cats back on and tune it back to stock
What if I got catless downpipes? Does that mean I have to flash to stock, and replace the catless downpipe with the stock ones? Or can i keep them as they are?
Yeah unfortunately stock DPs have to go back on to pass
Will a VRSF catted Downpipe pass emissions for the n63 motor?
I can’t say for sure but if both cats and both o2 sensors all there then it should ! Try googling maybe someone has the same setup
So there’s no need to put the stock cat back on? I just need to flash back to stock?
Mine already had stock cats and yes you do need stock cats back on to pass unfortunately
Hey man! I also live in Colorado. Was your car tuned with a cat less down pipe? I want to buy a bmw but it has a cat less down pipe on it. Will tuning it back to stock pop up a check engine light?
Catless down pipe and tune both won’t let you pass. Your have to put the stock catted down pipe back on and de-tune the car unfortunately
Hey, i just bought a x5 F15. Failed inspection today. So i just realized that it has a catless down pipe. Im assuming it has a tuned but im not sure by who. If i buy a tune from mhd how do they get the stock map? Is the stock within the car? I cant get in contact with the seller. But it failed emission becase of readiness could not get data from catalytic
Ahh that’s not good man. You have to have a dealer put a stock software on it now and it’s like $350 at least
Yea, my o2 sensor wont complete readiness. Is funny because i have catless DP but there is an aftermarket catalytic converter after the down pipe 🤔 and Stock exhaust. Im assuming i have to put back a catted down pipe to then put back the stock map. If i install the stock map with catless DP then the CEL will come on wont it
Yeah it would. That’s the down side of buying a tuned one
Failed my inspection, stage 2+
I didn't realize I'm never going to pass readiness cause , i guess i gotta flash back to stock😢
Ya I’ve been there too
I have vrsf car downpipe and can’t pass emission in Thornton Colorado.. what catalytic converter do I need to buy in order to buy
You need to put stock downpipes back on , no other way to pass
Yoo I’m in Thornton as well, I have to do emissions soon. My car is catless downpipe with straight pipe. (MHD Stage 2) So what I need to do is
1. Put on OEM catalytic converter
2. Tune MHD back to Stage 1?
@@sxmmyg Yes, but you'll have to check your emissions readiness monitors with something like OBD Fusion. It may take a few driving cycles for everything to show ready but once it does you're good to go.
It's interesting,
My Car is MHD Stage 1, with an Active Autoworks Catted Downpipe and I've had the tune for 2 years and pass emissions M240i here.
so this is quite interesting.
What state
illinois here
if you have cats can you pass with stage 0 ?
Stage 0 is stock?
Luckily in finland I can run catless downpipes with mhd 2+. Next inspection will be a different story tho, because now running single turbo on n54.
Darn inspections lol
If I have Catless downpipes + Stage 3 Custom Tune. I just need to put the Stock map on and I'm good to pass?
I’m afraid you can’t pass with catless DPs
did you pass?
if i'm just do the muffler delete, is it will fail the Inspection??
No it won’t
@@BIMMERLEAGUE okay, thank you for reply..
No issues passing with the muffler delete?
Not at all
Robert lol muffler delete and resonator delete have nothing to do with the engine. Catless downpipe is like a straight ass pipe with no filter. Your engine will release toxic gas and stuff, that why you will gonne fail the emission.
Let the person who this was addressed to answer the question, depending on what state you are in it does matter, and who ever said anything about a catless downpipe??, of course your not passing with that!! Learning laws is like learning how to spell. And be prepared for decibel readers to be installed on cameras in cities and suburbs for exhaust. Now that they are not passing if you have a tune they soon won't be passing if you do not have factory exhaust or a MUFFLER. And not having or having an exhaust does have something to do with your engine, smh
@@robertdesousa6546 lol muffler muffles sound that’s all it does ! At this point of time in the state of Colorado you can pass emissions without muffler no issues whatsoever
That's what I was wondering lol. I have a 2015 535i rwd m package and I'm about to delete my mufflers after seeing your video. I live in NY and they are trying to pass a new law for exhaust to pass an inspection as well as trying to put up camera's that read your exhaust decibel to send you a ticket, as well as not passing you if you have a tune. So I will be keeping my mufflers if this does take effect. Thanks for all your videos, very inspiring 👍
What horsepower did you get when tuned?
Not sure . Prolly 30 maybe 40 hp gain
Good to know!
👍
My f15 has a stage 2 plus tune and Catless downpipe and I passed my emissions test
What state?
Jb4 BEF passes with flying colors, note I do have stock cats.
Interesting. Thanks for sharing
I believe you can pass the inspection with stage 1 tune. The problem is do a driving cycle to let O2 sensor in ready status. Since stage 1 you can use stock cat.
Nope you can’t. The moment you tune it, it triggers ECU tempering which they can read nowadays
Are you in California?
No, Colorado
Believe it or not. Alot of states are starting to put these laws into the books. It was inevitable.
I need somebody to do this for my 2012 x5
Turning into California that's horrible
Yeah dude
It's not the tune it's the readiness monitors which has to do with the catless downpipes...
Oh no it was the tune
By the way how far did you have to drive it after flashing back to stock?
Man I think it took about 4-5 days
I only went to work and back tho which is a 25 min drive
@@BIMMERLEAGUE nice thanks mine went away in about 30 miles. Car has another code now. I don't think im about this bmw life lol.
Do u have downpipes in ya car
What did it say the hp on the display when tuned?
I don’t remember exactly but it increased
I passed with OTS n55 Stage 1 93 bm3, very odd. (NJ)
Wut wut . OBD2 test?
@BIMMER LEAGUE yep it passed with an obd2 scan. The tune left the catalytic settings on factory. Although it does allow you to hide CEL from catless, this still wouldn't pass in NJ as doesn't change the "ready status" of cat. I was surprised too, as I expected to fail and switch back to stock to pass.
@@GodKing804 whoa must have gotten extremely lucky bro
@@BIMMERLEAGUE not sure, many people in bm3 forums with stage 1 have passed (where there is obd2 scans)
Perhaps BM3 is better for that reason hmmm. Once I get that F80 I’ll try the BM3 tune 👌👌👌
Bro its pretty obvious if you have any performance flashed tune on ur bmw , you wont pass smog! 😂
Dead giveaway 😀👌🙌
Enet cable can go wrong :D Mate, dont say stupid things. Enet cable is more stable then your adapater... Also let me know if you fuck up something in your car with bimmercode :D
Where you get your info from? Russian news channels ?
My garage very kindly gets confused and probes the car next to it to get my stage 2 to pass.
Bhahahaah nice !
Stage 0.
This video is 7 mins too long
Lol my bad
But you still didnt pass
lol I did pass after going back to stock tune
Another worthless video about BMW emissions
You must be a Audi driver