So I did a pretest on my s50 full rebuild with stock everything else . Only one dme and MAF. The sniffer was about twice as much as the allowable . I have the stock oem 25+ year mid pipe and cats . Should I go to the red like that and have them tell me what’s up or should I just do new cats before I go in . About 1200$ installed for both at my local exhaust shop
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CAlifornia BAR/SMOG/engine swap thread.
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Went to the referee yesterday . S50 swap stock headers modified stock downpipe for clearance stock O2 sensor portion new walker cats . I have a red label 413 ecu apperently it’s out of an automatic and it wasn’t giving off the correct MPH signal . Also he wanted to see the actual ecu to verify the part number . So I failed because of the ecu . I need to find a manual ecu and when I go next time I have to have the glovebox taken apart so he can see the computer . I was hoping to pass first try . I was so close!! the ecu part is easily fixable . I have sourced a silver label ecu with the vin number that says it’s manual from a 95 M3 . I have an ews delete chip already so I’ll just swap it out and be okay I hope . I will report when I go back .
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Originally posted by prisonerofdoom83 View PostWent to the referee yesterday . S50 swap stock headers modified stock downpipe for clearance stock O2 sensor portion new walker cats . I have a red label 413 ecu apperently it’s out of an automatic and it wasn’t giving off the correct MPH signal.
How is your ECU mounted currently? Mine's in the OEM location, I cut the bracket to make it wider, and use big washers with the stock bolts to hold it up. Easy for me to undo them for that visual inspection.
So your emissions were good after the new cats? That's great to hear!
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Originally posted by Chilezen View Post
Interesting that the ECU modifies the signal from the diff based on the type of trans.
How is your ECU mounted currently? Mine's in the OEM location, I cut the bracket to make it wider, and use big washers with the stock bolts to hold it up. Easy for me to undo them for that visual inspection.
So your emissions were good after the new cats? That's great to hear!
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Well I went back with a chipped silver label manual 413 ecu with the vin number present from a 95 M3 . Showed up with the glovebox taken apart so he could see it . Ran the tail pipe test and confirmed the ecu and boom I got my sticker . This was in Rancho Cucamonga chaffey college . Guy was pretty knowledgeable on older bmws .
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Originally posted by prisonerofdoom83 View PostWell I went back with a chipped silver label manual 413 ecu with the vin number present from a 95 M3 . Showed up with the glovebox taken apart so he could see it . Ran the tail pipe test and confirmed the ecu and boom I got my sticker . This was in Rancho Cucamonga chaffey college . Guy was pretty knowledgeable on older bmws .Projects Hartge,Alpina & AC Schnitzer Builds.http://www.r3vlimited.com/board/showthread.php?t=280601
http://www.r3vlimited.com/board/showthread.php?t=227993
http://www.r3vlimited.com/board/showthread.php?t=289362
DSC04926 by Raul Salinas, on FlickrDSC03413 by Raul Salinas, on Flickr
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Who wants to be my new friend and correspond via PM or email regarding how I get my new headache 1994 e36 325i with s50 swap to pass smog?
Relocated to Norcal from NC for work and will be here about 2 years. Bought the car and am now in over my head due to being an e30 guy much more comfortable with m20s than 24v stuff. My e30 is here too which is a problem for another day. E36 was off the road for 10 years and owed 1100 in back fees by the PO which thankfully were mostly waived, however I have roughly 2 months to get it to pass smog as I paid posting fees to DMV through CVPRS to start the process of titling the car in my name.
Have new water pump and thermostat here already and new hoses, all fluids on the way as well as oil and filter, spark plugs and a stock airbox for a 95 325i as my realoem research seems to show that it will fit. Car has cats but no idea on condition and CEL is on. Any other must buys for the basic tune up for a first go at smog? Will check what ECU I have tomorrow.
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Originally posted by mtech325 View PostBumping this thread to share a guide I put together for anyone who wants to do an OBD1 M50 or S50 swap:
https://drivewerks.co/how-to-make-yo...ifornia-legal/
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I’m looking to start the process of bar swapping my e28 528e with an s50. What bar stations in socal are recommended or allow the use of a modified or custom mid pipe with the magnaflow cats for clearance?
I was reading this thread and saw that some locations require the use of an unmodified midpipe.
And does anyone know if I would be able to use e39 manifolds on an s50? Main reason is that the steering box and associated parts make the area for the exhaust tighter than e30sLast edited by Mnnguy; 04-09-2024, 11:02 PM.
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