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Thread: M3 O2 sims

  1. #1
    Join Date
    Jan 2011
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    Northern CA
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    1998 M3/4/5

    e36 M2 O2 sims

    $115 (includes shipping)

    They will eliminate the check engine light when you are running without cats (track pipe or custom exhaust). They simulate the stock O2 heaters and signal. It is a single black box that simulates *both* post-cat O2 sensors, so you only need 1 per car.

    These look similar to my SAP sims and are built to the same high-quality specs:

    • easy to install in 10 minutes
    • plug & play using OE connectors
    • includes detailed instructions with photos
    • electronics sealed in epoxy for protection against moisture/vibration
    • high-temperature, color-coded GXL wire cut to correct length and covered in wire loom
    • individually tested




    Last edited by gpeterson; 04-04-2016 at 09:52 AM.
    S54 swap DME flashing - $100
    S54 swap CAN interface board (for proper A/C & check engine light) - $275
    e36 SAP sim/secondary air pump simulator:
    $75 - standard or $170 - plug & play
    e36 post-cat O2 sims: $115 shipped, plug & play

  2. #2
    Join Date
    May 2011
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    Southern Maryland
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    '98 M3
    Subscribed for more details. How exactly does this single unit take car of both sensors?

  3. #3
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    Quote Originally Posted by RatedM3 View Post
    How exactly does this single unit take car of both sensors?
    Since it is currently for the e36 M3 only there was no need to package it into 2 separate enclosures. Just one box to mount - and it actually has an aluminum mounting tab instead of the cheesy zip-tie mounting that some others use.

    It will have leads coming out with 2 O2 sensor connectors (pictures coming soon).
    S54 swap DME flashing - $100
    S54 swap CAN interface board (for proper A/C & check engine light) - $275
    e36 SAP sim/secondary air pump simulator:
    $75 - standard or $170 - plug & play
    e36 post-cat O2 sims: $115 shipped, plug & play

  4. #4
    Join Date
    Mar 2003
    Location
    Winnipeg, Manitoba
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    1997 BMW M3
    I'm interested I've got post cat o2 issues on the 328 and once that's fixed I'd swap it over to the M3 for off roading.
    97 BMW M3 (s52b32) - VF-Supercharger kit ( Vortech V2-SQ supercharger, 32 pound injectors, VF tuning ), VDO/LeatherZ Gauge Kit (Oil Temp, Oil Pressure, and Boost), UUC Motorwerks RSC36 Exhaust, Stainless Steel 6-2 Exhaust Headers, Bilstein Sports, Rear Adjustable Camber bushings, Wheel Spacers 10mm in front 25mm in back, Uprated Clutch, UUC Shift Knob, Short Shifter and Clutch Stop, Cross Brace, Mason Engineering front strut bar, Contour Wheels, Euro Ellipsoid (Angel Eyes) HID Headlights, braided steel brake lines, aluminum thermostat housing, mishimoto aluminum radiator and silicone hoses and a partridge in a pear tree

  5. #5
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    Quote Originally Posted by RobertFontaine View Post
    I'm interested I've got post cat o2 issues on the 328 and once that's fixed I'd swap it over to the M3 for off roading.
    The first revision of these won't work on your 328, but I'm hoping to have one for that car soon. I need 10min to hook my oscilloscope up to a 328 and am trying to find someone near me (Sacramento area) that has one.
    S54 swap DME flashing - $100
    S54 swap CAN interface board (for proper A/C & check engine light) - $275
    e36 SAP sim/secondary air pump simulator:
    $75 - standard or $170 - plug & play
    e36 post-cat O2 sims: $115 shipped, plug & play

  6. #6
    Join Date
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    Location
    Winnipeg, Manitoba
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    What's the difference between the 97 m3 sensor and the 97 328 sensor setup? same engine, same ecu both 41.1, same bosch sensors? different ecu software.

    I was hoping to do the 2 step and pop them into the 328 for the moment, drive around pick up parts and then pop them into the M3, putting the M3's bosch sensors into the 328.
    97 BMW M3 (s52b32) - VF-Supercharger kit ( Vortech V2-SQ supercharger, 32 pound injectors, VF tuning ), VDO/LeatherZ Gauge Kit (Oil Temp, Oil Pressure, and Boost), UUC Motorwerks RSC36 Exhaust, Stainless Steel 6-2 Exhaust Headers, Bilstein Sports, Rear Adjustable Camber bushings, Wheel Spacers 10mm in front 25mm in back, Uprated Clutch, UUC Shift Knob, Short Shifter and Clutch Stop, Cross Brace, Mason Engineering front strut bar, Contour Wheels, Euro Ellipsoid (Angel Eyes) HID Headlights, braided steel brake lines, aluminum thermostat housing, mishimoto aluminum radiator and silicone hoses and a partridge in a pear tree

  7. #7
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    Quote Originally Posted by RobertFontaine View Post
    What's the difference between the 97 m3 sensor and the 97 328 sensor setup? same engine, same ecu both 41.1, same bosch sensors? different ecu software.

    I was hoping to do the 2 step and pop them into the 328 for the moment, drive around pick up parts and then pop them into the M3, putting the M3's bosch sensors into the 328.
    ECU is supposed to be different (besides software). M3 is actually MS41.2 even though it is labeled MS41.1.

    I'm confident that I can produce a sim for non-M cars based on some things I've read, but I don't want to ship one out for blind testing without verifying some things with an oscilloscope first.

    Quote Originally Posted by RobertFontaine View Post
    I'm interested I've got post cat o2 issues on the 328 and once that's fixed I'd swap it over to the M3 for off roading.
    What code(s) related to post-cat O2s are you logging? How much driving does it take for the code(s) to come back after you clear them? Thanks.
    Last edited by gpeterson; 11-14-2012 at 05:08 PM. Reason: Automerged Doublepost
    S54 swap DME flashing - $100
    S54 swap CAN interface board (for proper A/C & check engine light) - $275
    e36 SAP sim/secondary air pump simulator:
    $75 - standard or $170 - plug & play
    e36 post-cat O2 sims: $115 shipped, plug & play

  8. #8
    Join Date
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    Sounds good. When I run diagnostics with INPA I use the 41.1 US OBDII configs. Yes the software level is 41.2. I am reasonably sure that the hardware on the ecu board is the same. The 256k rom on the 801C66 siemens eeprom however is definitely different both in the 24k data segment and the remaining code segment.

    The actual coding in the data segment is likely quite similar in terms of data structures but the hex locations are different. I've got a KP2000+ cable and a proper ADS cable in transit so that I can download roms off of both cars so that I can confirm this. I'm also guessing the data structures used from many of the 413 (OBDI) ecu's are similar. There are a few 41.0 (European rom definitions floating about that I'd like to see as they do not enforce the emissions standards and the diffs might be educational).

    So again, as I understand it the MS41.0/1/2 programming share the same hardware platform BUT the "software segments" are somewhat different (different locations and some different functions) AND the "data segments" are somewhat different (different locations and some different data options: maps, scalars).

    That said they are all BMW's and the engineers/programmers will have reused data structures, coding standards and working functions across both software and hardware platforms.

    Looking forward to your results w/ the hardware testing. I've got most of the ecu pinouts from the electrical diagrams and the Megasquirt/Vems installation guides but I haven't put together a bench set up with a couple of spare ecus so that I can see what is going on.

    I'm a little anxious about screwing w/ my working ecus as the M3 has VF's programming on it and the 328 is my daily driver. I need a couple of spare ecus to break.
    97 BMW M3 (s52b32) - VF-Supercharger kit ( Vortech V2-SQ supercharger, 32 pound injectors, VF tuning ), VDO/LeatherZ Gauge Kit (Oil Temp, Oil Pressure, and Boost), UUC Motorwerks RSC36 Exhaust, Stainless Steel 6-2 Exhaust Headers, Bilstein Sports, Rear Adjustable Camber bushings, Wheel Spacers 10mm in front 25mm in back, Uprated Clutch, UUC Shift Knob, Short Shifter and Clutch Stop, Cross Brace, Mason Engineering front strut bar, Contour Wheels, Euro Ellipsoid (Angel Eyes) HID Headlights, braided steel brake lines, aluminum thermostat housing, mishimoto aluminum radiator and silicone hoses and a partridge in a pear tree

  9. #9
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    Quote Originally Posted by RobertFontaine View Post
    Sounds good. When I run diagnostics with INPA I use the 41.1 US OBDII configs. Yes the software level is 41.2. I am reasonably sure that the hardware on the ecu board is the same. The 256k rom on the 801C66 siemens eeprom however is definitely different both in the 24k data segment and the remaining code segment.

    The actual coding in the data segment is likely quite similar in terms of data structures but the hex locations are different. I've got a KP2000+ cable and a proper ADS cable in transit so that I can download roms off of both cars so that I can confirm this. I'm also guessing the data structures used from many of the 413 (OBDI) ecu's are similar. There are a few 41.0 (European rom definitions floating about that I'd like to see as they do not enforce the emissions standards and the diffs might be educational).

    So again, as I understand it the MS41.0/1/2 programming share the same hardware platform BUT the "software segments" are somewhat different (different locations and some different functions) AND the "data segments" are somewhat different (different locations and some different data options: maps, scalars).

    That said they are all BMW's and the engineers/programmers will have reused data structures, coding standards and working functions across both software and hardware platforms.

    Looking forward to your results w/ the hardware testing. I've got most of the ecu pinouts from the electrical diagrams and the Megasquirt/Vems installation guides but I haven't put together a bench set up with a couple of spare ecus so that I can see what is going on.

    I'm a little anxious about screwing w/ my working ecus as the M3 has VF's programming on it and the 328 is my daily driver. I need a couple of spare ecus to break.
    Sounds like you and I have shared interests in figuring this stuff out. Someone already documented much of MS41.1 - http://www.students.oamk.fi/~t8kepa0...ng%20Guide.pdf

    People that have figured out MS41.2 don't share like that, so I've been slowing trying to figure things out but need to pick up a spare DME as well.
    S54 swap DME flashing - $100
    S54 swap CAN interface board (for proper A/C & check engine light) - $275
    e36 SAP sim/secondary air pump simulator:
    $75 - standard or $170 - plug & play
    e36 post-cat O2 sims: $115 shipped, plug & play

  10. #10
    Join Date
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    Winnipeg, Manitoba
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    Also very interting is http://www.romraider.com/forum/viewt...=8749&start=15

    And andy whittakers tutorials on how to dissassemble the roms with idapro
    http://www.andywhittaker.com/ECU/Dis...6/Default.aspx

    ogorek's post on deleting the o2 sensors on the old 8 series showing how the variant code works is also interesting and possibly relevant.

    http://forums.bimmerforums.com/forum....php?t=1891292
    97 BMW M3 (s52b32) - VF-Supercharger kit ( Vortech V2-SQ supercharger, 32 pound injectors, VF tuning ), VDO/LeatherZ Gauge Kit (Oil Temp, Oil Pressure, and Boost), UUC Motorwerks RSC36 Exhaust, Stainless Steel 6-2 Exhaust Headers, Bilstein Sports, Rear Adjustable Camber bushings, Wheel Spacers 10mm in front 25mm in back, Uprated Clutch, UUC Shift Knob, Short Shifter and Clutch Stop, Cross Brace, Mason Engineering front strut bar, Contour Wheels, Euro Ellipsoid (Angel Eyes) HID Headlights, braided steel brake lines, aluminum thermostat housing, mishimoto aluminum radiator and silicone hoses and a partridge in a pear tree

  11. #11
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    1998 M3/4/5
    I'm probably still a few days out from having sims ready to ship, had some things come up the past few days.
    S54 swap DME flashing - $100
    S54 swap CAN interface board (for proper A/C & check engine light) - $275
    e36 SAP sim/secondary air pump simulator:
    $75 - standard or $170 - plug & play
    e36 post-cat O2 sims: $115 shipped, plug & play

  12. #12
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    1996 ///M3
    :thumbsup:

  13. #13
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    subscribed

  14. #14
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    Sorry guys, I'm still lagging. Busy work week so far plus a tire taken out by a nail in the sidewall has cut down my testing time. Hope to finish testing & get sims ready to ship this weekend.
    S54 swap DME flashing - $100
    S54 swap CAN interface board (for proper A/C & check engine light) - $275
    e36 SAP sim/secondary air pump simulator:
    $75 - standard or $170 - plug & play
    e36 post-cat O2 sims: $115 shipped, plug & play

  15. #15
    Join Date
    Jan 2011
    Location
    Northern CA
    Posts
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    1998 M3/4/5
    Almost ready... finishing final testing now and should be assembling production O2 sims tonight. Should be ready to ship a few Thursday or Friday. $110.
    S54 swap DME flashing - $100
    S54 swap CAN interface board (for proper A/C & check engine light) - $275
    e36 SAP sim/secondary air pump simulator:
    $75 - standard or $170 - plug & play
    e36 post-cat O2 sims: $115 shipped, plug & play

  16. #16
    Join Date
    Jan 2011
    Location
    Northern CA
    Posts
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    My Cars
    1998 M3/4/5
    I finished testing and have 2 assembled units that can be shipped Friday. Hopefully I'll have pictures up tomorrow night.

    Added new picture to first post, better pictures coming soon.
    Last edited by gpeterson; 11-29-2012 at 07:19 PM. Reason: Automerged Doublepost
    S54 swap DME flashing - $100
    S54 swap CAN interface board (for proper A/C & check engine light) - $275
    e36 SAP sim/secondary air pump simulator:
    $75 - standard or $170 - plug & play
    e36 post-cat O2 sims: $115 shipped, plug & play

  17. #17
    Join Date
    Jan 2011
    Location
    Northern CA
    Posts
    1,975
    My Cars
    1998 M3/4/5
    Bump
    S54 swap DME flashing - $100
    S54 swap CAN interface board (for proper A/C & check engine light) - $275
    e36 SAP sim/secondary air pump simulator:
    $75 - standard or $170 - plug & play
    e36 post-cat O2 sims: $115 shipped, plug & play

  18. #18
    Join Date
    Jan 2011
    Location
    Northern CA
    Posts
    1,975
    My Cars
    1998 M3/4/5
    bump, more available, ready to ship!
    S54 swap DME flashing - $100
    S54 swap CAN interface board (for proper A/C & check engine light) - $275
    e36 SAP sim/secondary air pump simulator:
    $75 - standard or $170 - plug & play
    e36 post-cat O2 sims: $115 shipped, plug & play

  19. #19
    Join Date
    Aug 2012
    Location
    Calgary
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    1998 bmw m3 dinan stg4
    Will these work if I'm trying to use obd1 headers on an obd2 car for the manifold sensors?

  20. #20
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    Quote Originally Posted by 1hote36 View Post
    Will these work if I'm trying to use obd1 headers on an obd2 car for the manifold sensors?
    No, these simulate the post-cat O2 sensors when the cats have been removed. OBD2 M52/S52 won't run correctly without both pre-cat O2 sensors in place.
    S54 swap DME flashing - $100
    S54 swap CAN interface board (for proper A/C & check engine light) - $275
    e36 SAP sim/secondary air pump simulator:
    $75 - standard or $170 - plug & play
    e36 post-cat O2 sims: $115 shipped, plug & play

  21. #21
    Join Date
    Jan 2011
    Location
    Northern CA
    Posts
    1,975
    My Cars
    1998 M3/4/5
    bump, ready to ship
    S54 swap DME flashing - $100
    S54 swap CAN interface board (for proper A/C & check engine light) - $275
    e36 SAP sim/secondary air pump simulator:
    $75 - standard or $170 - plug & play
    e36 post-cat O2 sims: $115 shipped, plug & play

  22. #22
    Join Date
    Jan 2011
    Location
    Northern CA
    Posts
    1,975
    My Cars
    1998 M3/4/5
    bump, more ready to go
    S54 swap DME flashing - $100
    S54 swap CAN interface board (for proper A/C & check engine light) - $275
    e36 SAP sim/secondary air pump simulator:
    $75 - standard or $170 - plug & play
    e36 post-cat O2 sims: $115 shipped, plug & play

  23. #23
    Join Date
    Jan 2011
    Location
    Northern CA
    Posts
    1,975
    My Cars
    1998 M3/4/5
    I'm now offering these package discounts:

    -$20 off when purchasing a plug & play SAP sim and O2 sim together
    -$15 off when a standard SAP sim and O2 sim together

    That works out to:

    $255 shipped for plug & play SAP sim + post-cat O2 sim
    $165 shipped for standard SAP sim + post-cat O2 sim
    S54 swap DME flashing - $100
    S54 swap CAN interface board (for proper A/C & check engine light) - $275
    e36 SAP sim/secondary air pump simulator:
    $75 - standard or $170 - plug & play
    e36 post-cat O2 sims: $115 shipped, plug & play

  24. #24
    Join Date
    Jan 2011
    Location
    Northern CA
    Posts
    1,975
    My Cars
    1998 M3/4/5
    More of these are ready to ship!
    S54 swap DME flashing - $100
    S54 swap CAN interface board (for proper A/C & check engine light) - $275
    e36 SAP sim/secondary air pump simulator:
    $75 - standard or $170 - plug & play
    e36 post-cat O2 sims: $115 shipped, plug & play

  25. #25
    Join Date
    Jan 2011
    Location
    Northern CA
    Posts
    1,975
    My Cars
    1998 M3/4/5
    bump
    S54 swap DME flashing - $100
    S54 swap CAN interface board (for proper A/C & check engine light) - $275
    e36 SAP sim/secondary air pump simulator:
    $75 - standard or $170 - plug & play
    e36 post-cat O2 sims: $115 shipped, plug & play

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