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E46 M3 (2001-2006) Engine: S54 - Max Hp: 333 hp at 7,900 rpm / 262 lb/ft at 4,900 rpm
Total Produced: 45,000+ - Years Produced: 2001 to 2006.


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Old Mon, Aug-14-2017, 12:50:08 AM   #11
Barish_76
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Default Re: Passing emmision readiness test with 02 sensors off

I will moving to Missauga toy4to. Why do you ask?
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Old Tue, Aug-22-2017, 02:14:32 AM   #12
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Default Re: Passing emmision readiness test with 02 sensors off

I'm in Los Angels with a TTFS tune also but I still run cats. My secondary system wasn't ready for smog, guy checked my afe intake and since it didn't have the CARB # he wouldn't pass me, looked under the car and checked my cats (thought my ar20's were cats). I re-mapped my car back to stock, changed the airbox, and everything passed.

I think it's also the guy who does the smog who can possibly help you out. For me one guy didn't check anything, the other guy checked everything. I was never offered the idle test.

I heard people use O2 simulators but I don't have experience with them.
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Old Mon, Jun-10-2019, 07:49:58 PM   #13
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Default Re: Passing emmision readiness test with 02 sensors off

Bumping this thread as I recently had my battery go dead on my TTFS tuned car, and cannot get my O2 monitors to set. I'm running a euro section 1, brand new Bosch O2 sensors, and have completed two drive cycles to no avail. Any ideas on what I can do to get the front O2 monitor to properly set?
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Old Mon, Jun-10-2019, 08:50:52 PM   #14
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Default Re: Passing emmision readiness test with 02 sensors off

As far as i'm aware in places i've tested my cars for emissions (NJ, PA, IL) You can have one monitor be not ready and still pass emissions as long as there is no check engine light on. Do you have more than one monitor not ready?
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Old Tue, Jun-11-2019, 01:53:15 AM   #15
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Default Re: Passing emmision readiness test with 02 sensors off

I had to drive 600 miles before my O2 sensors were "ready". I did the drive cycles a few times then just drove for a bunch.

I bought an OBD2 reader for like $15 bucks, use 4-stroke or auto doctor app on my iphone. It'll tell you what sensors are set, ready, and reading.
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Old Tue, Jun-11-2019, 02:38:44 AM   #16
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Default Passing emmision readiness test with 02 sensors off

The drive cycle consists of four tests. Each test can be done independent of the other tests. It does not matter what order you complete the tests in. Only one of the tests requires a cold start, the other three do not.

To solve your problem, you need to complete the third test shown in the graphic. You do this through the following process:

1) Fix all transmission and engine light faults before emissions testing and completing drive cycle tests. Before you perform the test, I strongly suggest you download the app called "Torque" on your phone and turn on the emissions control screen. This screen lets you know what tests you have completed in real time. In this case, you'll be looking at the Catalytic Converter test. You'll need a $10 blu-tooth OBD connector to connect the car to the phone. This step is optional, but you'll see why it is helpful in later steps.

2) Start your car and go directly to the freeway. DO NOT exceed 3000 rpm, DO NOT make sudden or large accelerations/decelerations, and DO NOT exceed 60 mph on your way to the freeway. Doing any of these will stop the test immediately and the test won't restart unless you restart your car. For these reasons, you'll want to get onto the freeway at night, preferably after midnight when traffic is the lowest. For me personally, I absolutely HAD to get my emissions test completed within a narrow time frame. To ensure I was successful, I did this test at 3AM when there is ZERO traffic.

3) Once on the freeway, SLOWLY accelerate to 55 mph and set the cruise control at 55mph. Just chill in the slow lane for 20 minutes (just to be conservative) and let the computer run its tests. As long as you stay in the slow lane, you're golden. If someone tailgates you, just stay where you are. You're in the slowest lane, they can go around.

4) Once 20 minutes has passed, get off the freeway. Open the Torque app and confirm the drive test is complete.


5) DO NOT do any work on your car until you get the emissions test done. DO NOT disconnect the battery. DO NOT run any diagnostic or performance software plugged in via the OBD port. DO NOT make software modifications. DO NOT clear any codes from the car at all. Wait until you've completed emissions testing to do any of these because the emissions test results get wiped from the ECU when you do them. If you wipe the results, you gotta perform the test again.

The test is easier than you think and works like a charm. That said, BMW engineers are retarded for requiring the test to be performed between 40 and 60 mph for 15 minutes. Essentially all American freeways are 65mph, so its hard to do the test during routine traffic without pissing off other drivers or getting stopped in rush hour. Stopping ceases the test. Two-lane undivided highways pose their own problems for the tests because some turns may force you to slow down beyond the bounds of the test (slower than 40mph) and hitting a stop sign ensures you have to start over. Secondly, for those of us with M3's, we almost always exceed 3000 rpm in first gear (and often in 2nd and 3rd too), we like going faster than 60mph, and we like sudden accelerations. My last point is EXACTLY why so many of us end of with cars not ready for emissions after we've worked on our car and cleared codes.



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Last edited by WOLFN8TR; Tue, Jun-11-2019 at 03:37:38 PM.
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Old Tue, Jun-11-2019, 04:37:28 AM   #17
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Default Re: Passing emmision readiness test with 02 sensors off

Quote:
Originally Posted by WOLFN8TR View Post
The drive cycle consists of four tests. Each test can be done independent of the other tests. It does not matter what order you complete the tests in. Only one of the tests requires a cold start, the other three do not.

To solve your problem, you need to complete the third test shown in the graphic. You do this through the following process:

1) Fix all transmission and engine light faults before emissions testing and completing drive cycle tests. Before you perform the test, I strongly suggest you download the app called "Torque" on your phone and turn on the emissions control screen. This screen lets you know what tests you have completed in real time. In this case, you'll be looking at the Catalytic Converter test. You'll need a $10 blu-tooth OBD connector to connect the car to the phone. This step is optional, but you'll see why it is helpful in later steps.

2) Start your car and go directly to the freeway. DO NOT exceed 3000 rpm, DO NOT make sudden or large accelerations/decelerations, and DO NOT exceed 60 mph on your way to the freeway. Doing any of these will stop the test immediately and the test won't restart unless you restart your car. For these reasons, you'll want to get onto the freeway at night, preferably after midnight when traffic is the lowest. For me personally, I absolutely HAD to get my emissions test completed within a narrow time frame. To ensure I was successful, I did this test at 3AM when there is ZERO traffic.

3) Once on the freeway, SLOWLY accelerate to 55 mph and set the cruise control at 55mph. Just chill in the slow lane for 20 minutes (just to be conservative) and let the computer run its tests. As long as you stay in the slow lane, you're golden. If someone tailgates you, just stay where you are. You're in the slowest lane, they can go around.

4) Once 20 minutes has passed, get off the freeway. Open the Torque app and confirm the drive test is complete.

5) DO NOT do any work on your car until you get the emissions test done. DO NOT disconnect the battery. DO NOT run any diagnostic or performance software plugged in via the OBD port. DO NOT make software modifications. DO NOT clear any codes from the car at all. Wait until you've completed emissions testing to do any of these because the emissions test results get wiped from the ECU when you do them. If you wipe the results, you gotta perform the test again.

The test is easier than you think and works like a charm. That said, BMW engineers are retarded for requiring the test to be performed between 40 and 60 mph for 15 minutes. Essentially all American freeways are 65mph, so its hard to do the test during routine traffic without pissing off other drivers or getting stopped in rush hour. Stopping ceases the test. Two-lane undivided highways pose their own problems for the tests because some turns may force you to slow down beyond the bounds of the test (slower than 40mph) and hitting a stop sign ensures you have to start over. Secondly, for those of us with M3's, we almost always exceed 3000 rpm in first gear (and often in 2nd and 3rd too), we like going faster than 60mph, and we like sudden accelerations. My last point is EXACTLY why so many of us end of with cars not ready for emissions after we've worked on our car and cleared codes.



Solid, I'll try this again tomorrow night. My mechanic ran the car on a dyno, but the monitors didn't set. Will try it out in the real world again in case the ECU was in dyno mode.

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Originally Posted by icanseeyou View Post
As far as i'm aware in places i've tested my cars for emissions (NJ, PA, IL) You can have one monitor be not ready and still pass emissions as long as there is no check engine light on. Do you have more than one monitor not ready?
Sadly, CA emission nazis require all monitors except Evap to be ready. No CEL, nothing wrong with the car, just can't get the damn O2 monitor to set
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Old Tue, Jun-11-2019, 01:21:46 PM   #18
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Default Re: Passing emmision readiness test with 02 sensors off

Glad I saw this thread pop up. I got lucky when I bought my car and I didn’t need it inspected.. But I took it anyways just to see. I failed based on readiness. And that is is NC. I will be needing to pull this off next April, so I figure its good to read about it now. I do plan to do some exhaust modification at some point to my car. I have a p0134 code that came with the car lol, so I have to track that down as well
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Old Tue, Jun-11-2019, 03:42:22 PM   #19
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Default Re: Passing emmision readiness test with 02 sensors off

The drive cycle worked for me when my O2 Sensors weren't ready. I did it for 15 minutes and did not exceed 60 mph.

2) Start your car and go directly to the freeway. DO NOT exceed 3000 rpm, DO NOT make sudden or large accelerations/decelerations, and DO NOT exceed 60 mph on your way to the freeway. Doing any of these will stop the test immediately and the test won't restart unless you restart your car. For these reasons, you'll want to get onto the freeway at night, preferably after midnight when traffic is the lowest. For me personally, I absolutely HAD to get my emissions test completed within a narrow time frame. To ensure I was successful, I did this test at 3AM when there is ZERO traffic.

3) Once on the freeway, SLOWLY accelerate to 55 mph and set the cruise control at 55mph. Just chill in the slow lane for 20 minutes (just to be conservative) and let the computer run its tests. As long as you stay in the slow lane, you're golden. If someone tailgates you, just stay where you are. You're in the slowest lane, they can go around.
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Old Fri, Jun-14-2019, 05:18:30 AM   #20
T-Rex
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Default Re: Passing emmision readiness test with 02 sensors off

Quote:
Originally Posted by WOLFN8TR View Post
The drive cycle worked for me when my O2 Sensors weren't ready. I did it for 15 minutes and did not exceed 60 mph.

2) Start your car and go directly to the freeway. DO NOT exceed 3000 rpm, DO NOT make sudden or large accelerations/decelerations, and DO NOT exceed 60 mph on your way to the freeway. Doing any of these will stop the test immediately and the test won't restart unless you restart your car. For these reasons, you'll want to get onto the freeway at night, preferably after midnight when traffic is the lowest. For me personally, I absolutely HAD to get my emissions test completed within a narrow time frame. To ensure I was successful, I did this test at 3AM when there is ZERO traffic.

3) Once on the freeway, SLOWLY accelerate to 55 mph and set the cruise control at 55mph. Just chill in the slow lane for 20 minutes (just to be conservative) and let the computer run its tests. As long as you stay in the slow lane, you're golden. If someone tailgates you, just stay where you are. You're in the slowest lane, they can go around.
Dropping in here to give you a public thank you! After the retune and doing this method, the monitors finally set today. This forum is a lifesaver
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Discussing Passing emmision readiness test with 02 sensors off in the E46 M3 (2001-2006) Forum - Engine: S54 - Max Hp: 333 hp at 7,900 rpm / 262 lb/ft at 4,900 rpm
Total Produced: 45,000+ - Years Produced: 2001 to 2006. at BMW M3 Forum.com (E30 M3 | E36 M3 | E46 M3 | E92 M3 | F80/X)