E36 obd1 vs obd2. Look up ISO 9141-2 for the timeline of how it was implemented. Thread Tools 09-11-2010,10:36 PM #1 Bimmer182 Member Join Date Dec 2008 Location Akiya, Japan/Miami, FL Posts 123 My Cars 92 332i, 99 SC M3 E36 OBD1 S52 vs. The other two holes are in the exhaust manifolds. Jan 4, 2020 · Your 1997 328 is already OBD2 so I see no need to convert to OBD1, which would require you to change the entire engine harness. We offer E36 performance tunes for both OBD1 (1993–1995) and OBD2 (1996–1999) cars, plus dedicated turbo tunes for both platforms. having to flash a chip. OBD2 318i any reason for one over the other? I've been trying quite hard to find a good example of a ~100K-mile OBDI 318i but have had no luck at all. You can keep this or use a m50 OBD1 Fuel rail and FPR along with the M50 intake manifold (for a little power gain. I am currently running OBD2 M52 headers into a stock E36 OBD1 exhaust system and I am not happy with it in any way. Nov 9, 2022 · E36 Drift | What are the differences between OBD1 vs OBD2 135K Members E36 Drift Youssef MetriNov 9, 2022 What are the differences between OBD1 vs OBD2? Lorenzo Adrian and 1 other 2 20 Josh Vachon OBD1 is just easier imo, if you are swapping an m52 into an OBD1 car it's easy to convert Jun 12, 2024 · OBD2 is remotely used to diagnose ports, and reads data through a Bluetooth connection. In any case, I'm looking for an M3 full exhaust and am curious if the '95's differ from the '96+ OBD2 exhausts in any way or if they are all the same. The motor and harness came out of another e36 that was obd2. E36 converting from obd1 to obd2 I currently have a non vanos m50 in my 92 325i. obd1 is honey comb style platinum filled style, obd2 is just spiral stainless status. Thanks! Discover the key differences between OBD1 and OBD2 systems and how they impact your vehicle's performance. Buying an E36 - should I care about the difference between OBDI and OBD2? Is there any significant difference between OBD 1 and OBD 2 for repair and maintenance purposes? What's the best year to purchase? Sep 15, 2017 · How do you tell if your e36 is obd1 or obd2? 318 built late 95, no d connector under dash, vin decoder doesnt say anything, can't seem to find anything on real oem. 4. For that, we will show you what is possible with the Carly app. Only after 2000/2001 did bmw start using the standard 16 pin D-shaped socket, so anything after the E36 should have one. I am looking to do a swap into my '99 323ic since 323's are restricted to a one pipe midpipe/cat compared to 325/328/M3's that have two pipe midpipe/cats. OBD1 vs OBD2 matters: OBD1 is chip-based (simpler but more limited), OBD2 is flash-based (more features and flexibility). LS1 Z28 Confused about OBD1 vs OBD2? Learn the key differences, features, and benefits of both on-board diagnostic systems. 6K views 19 replies 10 participants last post by carcus Aug 15, 2011 RockLee Discussion starter Discover the main differences between OBD1 and OBD2 systems. There are three main cable interfaces used for BMW coding - the K-Line, K+DCAN, and ENET cables. Learn about features, benefits, compatibility, and which is better for your vehicle. that certainly helps thank you! the X20 pinouts should be the same for OBD-I/OBD-II since the guys who do the OBDII->I conversion simply swap out the engine harness Quick Navigation 1992 - 1999 M3 (E36) Go Top General BMW and Automotive Discussion sponsored by Intercity Lines Track, Auto-X & Drag Racing sponsored by Bimmerparts. Fueling: OBD2 cars (atleast the s52 cars, you'll have to double check for m52's) use a remote FPR and running loss valve that is mounted to the Frame rail. AFAIK the E36 OBD1 setup is the same as the OBD2 except for the 2 sensors being in 1 housing for OBD2 (black top). I hope this clears up the two adaptor types for INPA on E36, and helps you to ignore OBD2 - the language and OBD2 - the socket; and focus on the K line transciever that resides in the adaptors. Sep 15, 2017 · How do you tell if your e36 is obd1 or obd2? built late 95, no d connector under dash, vin decoder doesnt say anything, can't seem to find anything on real oem. The difference is the pre-cat "Y pipe" design of the OBD I vs. OBD1 side (body)-------------------------------------OBD2 side (engine harness) X20 connector Pin 8----------connect to----------X6031 Pin 1 X20 Pin 14 (speed signal)----connect to----------X20 obd1 or obd2 clusters all work the same, manual/auto doesnt matter either. I understand when the swaps were being done a couple of years ago OBD1 was the way to go as no one had the OBD2 flashing figured out yet. Would be cool if this worked, as it will also get rid of the ASC light after deleting mine. The reason all E36 clusters work the same is because they all use the ancient L-bus to communicate and not the K-bus that most E36 electronics use. I have been wanting to replace it with something better, preferable a full My neighbor is trying to decide on the best tuning option for his e36 turbo. Assuming I have the OBD1 wiring harness, sensors and DME will they be plug and play? I assume it will be plug and play but obviously this is the opposite of the normal E36 OBD question. . Also, the OBD II mid pipe has only 2 oxygen sensors holes, both post-cat. Also what is the advantage of running a OBD1 harness on a S52 engine with a M50 manifold? Join Date: Nov 2003 Posts: 34839 #16 12-14-2011, 07:40 AM OBD II FTW also, flashing the OBD II ecus, especially for the E36, is going to get easier and easier. Installing an "OBD2" cluster gives you more live digital readout functions using the Hidden Menu on the cluster tests. I'm going to install obd II factory exhaust manifolds onto 95 OBD I vehicle. On-board diagnostics "MaxScan OE509" – a fairly typical onboard diagnostics (OBD) scanner, 2015. Question to confirm after much research: will obd II manifolds connect to OBD I converters with no modification? Thanks! OBD1 engine into OBD2 car I recently purchased a non running but very clean 97 318is, with that I have a friend who will sell me an m50b25. I have a 93 325is with a s50 block and m50 head i need a obd2 conversion for my wiring harness does anyone have any information on obd1 to obd2 swap sensors,computers diagrams etc. The shop that installed it hacked it up the connection from the downpipes to the cats is a big bubble that is interfering with the system. LZ you are correct, from 1995 the OBD standard was "Phased in" so an E36 of around 1997 will be fully OBD, but a 1994 model will only possibly have OBD on the airbag but will most likely be fully ADS. Shop our wide selection of Fault Code Readers and OBD Scan Tools for your BMW E36 (1992-1998) M3 Before you buy one, it's crucial to understand the difference between OBD2 vs OBD1 — because if your car doesn't support the right system, that shiny new scanner might be useless. OBD2 comparison article. As European E36 cars never have the OBD2 connector, and the round 20-pin connector in the engine bay is sensitive to electromagnetic noise from the coils firing, this guy added a custom OBD2 interface to his E36. That should be the focus of your purchasing. Prior to this, the OBD1 standard was used. So turns out Australian delivered E36's don't have an OBD1/OBD2 port under the dash (due to the Euro spec) - OBD connection is via the round port under the bonnet only. And for those wondering why i want to keep it obd2, here are the reasons. Would like to know why OBD! is more preferable than OBD@, or is it anymore? In my car (BMW E46 323I 1998) I have both connectors, that is, the 20-pin OBD1 and the OBD2, what is the difference between the two, I am referring rather to the functionality in my car, that is . need to source as obd2 wiring harness, but have all the obd2 sensors for the engine and obd2 ecu. In this blog post, we’re going to show functionalities of the three cables and the compatible BMW models for each cable interface. Can it be done? Jump to Latest 22K views 16 replies 8 participants last post by jmelias Mar 1, 2016 jkmeisl Discussion starter OBD1 doesn't want or need them, OBD2 does. In this article, we’ll break down the key differences between OBD1 and OBD2, and explain what they mean for modern vehicle diagnostics. I have a 92 BMW 318i (obd1) I just purchased an M52 with complete wiring harness. Info about this everywhere, see step 5 also). OBD 1 or OBD 2? Jump to Latest 8. E36 OBD1??? My e36 has obd1, i have a very simple obd2 scanner and obd1 converter, it doesn’t work, is it cause i need a better obd2 scanner or is there an issue with my obd1 on my car. OBD1 vs. the "true dual" design of the OBD II. OBD I is a dead end. However, it is now on the brink of extinction as almost all new vehicles contain the updated OBD2 system. com Dyno Thread In this article, we'll discuss in details the difference between OBD1 and OBD2 vehicles and the best OBD Scanner for them. Right now my S52 is OBD1 but I will change it back to OBD2 and then the temp sensors will be also swapped back. These Plug-and-Play wiring solutions will make your engine conversion a breeze. I did put that in the title and the first line. If starting from scratch, I would go OBD2 tune, but I understand your dilemma and the costs involved. OBD1 was preferred for tuning in the early 2000's since it was "easier" and cheaper at the time. TIA! E36 1996 318is 1. See which cars use each system and how to choose the right diagnostic tool for your workshop. Searches have not come up with any luck, just people wanting to put an OBD2 cluster in an OBD1 car. Coming from the Audi world, I do know that being able to flash and tune an ECU via the OBD2 port opens up a new realm of possibilities vs. please help With this crank sensor any obd1 engine can natively be ran on obd2 electronics. Ive been doing some research, and I've heard a couple of opinions explained so that I understand the limitations of Motronic obd1. As such, it is easier to diagnose a problem remotely if you have a car made with an OBD2 system. However, I did find an instrument cluster for sale with nearly the exact same mileage as my car, but it is an OBD1 cluster. I've linked below the options that you have. 1. Is that true? I need informations about obd1 and 2. I have a complete 328 to pull parts from, so thats not a issue. Dec 5, 2025 · Learn the key differences between OBD1 and OBD2 ports, protocols and scanners. 9lt coupe 7/96 which one does it have and where is it located? I don't have a little panel above the pedals, so either my car doesn't have it or someone changed the foot-well plate. New components. OBD1 vs OBD2 Jump to Latest 22K views 11 replies 3 participants last post by mtorque6 Aug 27, 2009 M How do you tell the difference between an OBD1 328i and an OBD2 328i? Thanks you I have both a OBD 1 and 2 engine wiring harness and I am trying to find out the major diffences with them, and also verify one is OBD1. I'm picking up a 97 328i parts car in the next week and was wondering what is involved in converting my obd1 car to obd2. Thread: Powdered/welded OBD2 M3 headers for OBD1 Thread Tools 01-17-2013, 07:57 PM #1 rutgers No E36's have 16 pin OBDI/II ports, they're all 20 pin sockets under the bonnet, BMW used their own system. If you try to install OBD2 S52 headers on a S50, you need to weld the injection ports, or you will have flow reversions. Anyone can explain me pros & cons about obd1 (95M3) and obd2 (96~99M3) ? I heard obd1 is faster than obd2. It gives basic trouble codes that can help you to figure out why your BMW isn't running right, and it can also give you real-time and recorded information about how the vehicle is running. I know of a few cars that have upgraded obd1 turbocharged electronics to obd2 for smarter tuning and troubleshooting. OBD1 vs OBD2 Doors (anyone know?) Real simple question, Other then the window motors themselves what are the differences between OBD2 and OBD1 doors? are they swappable ? CHECK PRICE on eBay OBD Scanner DIY Guide OBD II, for Onboard Diagnostic System Version II, has been standard on all vehicles sold in the US since 1996. What Is the OBD 2 Interface? OBD (On-Board Diagnostics) is a standard developed in the 1990s installed in all new gasoline-powered vehicles from 2001 and all diesel vehicles from 2004. Explore the differences and their impact on modern automotive servicing. Was wondering what all needs to be done to converted over to work in my car. Just wondering if converting from obd1 non vanos to obd2 vanos has been done? And if so, what needs to be done to make the swap work. I would have to say not many have gone from obd-1 to obd-2 most go the the opposite way. EDIABAS gets upset if it sees this echo with STD:OBD and throws errors. Supporting Mods Upgraded coilpacks — our E36 coilpacks are some of our best sellers. com the plan is to have the obd2 engine harness hooked up to the obd1 body harness and fully functioning. Discover the evolution of vehicle diagnostics with OBD2 vs OBD1. The OBD2 car has a sensor that clips in via a plastic retainer, the OBD1 is threaded and screws in like a bolt. Are you planning on running with the stock ecu when you have the turbo on? Whos doing your tuning for you? There are two main versions of OBD system: OBD1 and OBD2. The supercharger body is setup for the OBD2 clip in style sensore. Can someone plese let me know. High temperature automotive grade wiring that resist oils, grease, and acids. All tools are connected to the vehicle via the OBD2 interface, which is our next topic. Read on to enhance your understanding. Just buy an OBD1 wiring harness, ECU and senders to convert the OBD2 car to OBD1 so you can run the OBD1 tune you already have. When did BMW start using OBD2? BMW began installing the 16-pin OBD2 socket in its vehicles from 1996. OBD1 vs OBD2 See Original Jump to Latest 22K views 11 replies 3 participants last post by mtorque6 Aug 27, 2009 These adapters ensure that your OBD2 engine functions correctly in your OBD1 chassis, or vice versa your OBD1 engine functions in your OBD2 chassis. The processsor is also more powerful and the same engine will run cleaner and more reliably on the newer electronics Sent from my GT-N7100 using E36 obd1 to obd2 coversion. You would actually have to get 2 scanners or 1 that has both options, as the E36 is an OBD1 and the others are OBD2. Thanks. On-board diagnostics (OBD) is a term referring to a vehicle's self-diagnostic and reporting capability. Only mod needed is a bend of the tabs on the m50 fuel rail that block the OBD1 was the first system introduced. Which OBD scanner is best. Any help is much appreciated Just to clarify, the OBD I midpipe has 2 resonators and 2 cats, just like the OBD II midpipe. That is all :D Check Us out on Facebook Needing a harness adapter or wiring help? Check it out: also have 24v motor mounts, E30 M3 covers and E36 ECU mounts! Full Product Line Tuning OBD2 Tuning Available! OBD2 E36, S54 Swap, S62 Swap, etc: tuning@MarkertMotorWorks. We’ll have a look at both OBD1 and OBD2 in this OBD1 vs. Anyway, I'm back in the market for an E36 M3 and I'm trying to decide on a 95 or later model. scrapped 93's got 220 just scrapped my 96's got 100 bucks i bitch and he showed me the differance hope that helps im no guru but im almost sure thats the deal Reply With Quote Quick Navigation 1991 - 1999 (E36) Go Top I had aimed this at people who knew what INPA was, and were aware the E36 was a sort of crossover car, and were confused as to OBD1, OBD2, ADS. 4f2wiz, kp4f3x, 5ldmc, 3xtgpc, zmqkcl, 07jsif, 62n1sj, u0ul, o1gz, 3rrl,