Bmw e46 secondary air pump delete There is a 1" hose coming from it to the Secondary Air Valve on top of the header. 450$ for part and labor. Radio shack parts were about $22. You may have to register before you can post: click the register link above to proceed. Secondary Air Pump - Delete or Leave?All times are GMT -5. I tried downloading euro 2 software on the ecu and that didnt delete it too. At Bimmerforums, you will find technical how-to information maintenance specifics audio advice wheel and tire combinations and model specific details not found anywhere else. In other latitutes with less strict legislatures, the thing is unnecessary and good riddance; one less plastic doodad to break down. Can someone please post a part number? Sep 12, 2011 · The hose for the secondary air pump finally developed a hole so I figured this was the perfect time to try out the SAP delete install. 6kg weight savings. Disconnect the two electrical connections to the air pump, then unscrew the hose clamp for the lower hose (standard BMW 6mm hose clamps). Add to cart Add to Wishlist Brand: MSW SKU: MSW-X54-EGR-DELETE Categories: Engine Components, Exhaust, Spec E46 Parts Tags: Blocking Plate, Delete, EGR, M52, M52TU, M54, MSW Product, Plate, S54, SAP, SE46, secondary air pump, specE46 Description Instructions Applications Apr 1, 2025 · Explore common issues with the BMW E46 secondary air pump, including symptoms, causes, and effective troubleshooting solutions. Made the project go a lot faster. Over on the e46 forum they have a delete using euro 2/3 OEM flash to the DME using Sep 8, 2025 · The secondary air system is used to improve catalytic converter efficiency and reduce the emission of harmful combustion byproducts in the automotive exhaust. Here's some quick info: The valve for the secondary air pump can and will get carbon build up. Description The Kassel Performance secondary air pump (SAP) removal / delete kit includes 1 OEM BMW block off plate and 1 OEM BMW block off plate gasket. Keep in mind an air pump code will come after after this modification, which should be tuned out. As expected, I have been told that the secondary air pump needs to be replaced. If you'd like to see me explain how to do some simple ECU writing an BMW fitted many of its petrol engines with a secondary air pump – a device that pumps fresh air through the exhaust ports to aid with catalytic converter heating and general emissions. Mar 4, 2023 · There is no confirmation that it will enable OBD Readiness. My question: can I remove this entire system and seal off the ports on the intake manifold & exhaust manifold, and still pass emissions testing in COLORADO? The primary purpose of the BMW secondary air pump (SAP) is to reduce hydrocarbon and carbon monoxide gasses which contribute to global warming and smog. CNC'd from 6061 Aluminum, this is intended for track use only. The DIY on replacing the air pump did not mention if there's a work-around. It was loud for a minute or two every morning. Anyone have it handy?? 35K subscribers in the e46 community. CNC Machined from 6061 aluminum and type 3 hard black anodized for long lasting finish. Basically, it helps with measured figures during cold start emissions testing for about 45 seconds, by pumping air into the exhaust in order to Mar 29, 2020 · Forum Vehicle Discussion E46 (2001 - 2006) e46 Coding/Tuning If this is your first visit, be sure to check out the FAQ by clicking the link above. Please note that software changes are required to stop an engine management light on BMW S54 applications. Without SAP I don't want it throwing extra fuel down the exhaust. There is few options which I can delete as cold start and secondary air pump. Fits the following vehicles:. When enough carbon builds up the valve will not close on it's seat allowing exhaust and water (a combustion byproduct) to enter the secondary air pump, which over time will cause the pump to fail and drain your wallet. These kits contain the required parts to delete the secondary air pump on BMW S50 and S54 engines, as found in the E36 M3, E46 M3, Z3 M and Z4 Apr 14, 2017 · As above chaps purchased a few days ago however a change of plan means I don't need it! Includes : - SAP delete panel (BMW 11121438086) - SAP gasket (BMW 11727514860) - SAP nuts (BMW 11721742644) x 2 £30 delivered that is what I paid :thumbsup: Collection is also welcome from Jan 4, 2016 · Hi all - I purchased a 2003 540i about 4 months ago and have dealt with SAP issues from the beginning. Block off plate BMW Part # 11 12 1 438 086 Gasket BMW Part # 11 72 7 505 259 When coupled with the European 2 (EU2) tune, the SAP and post-cat O2's are removed from the software as BMW intended for the Mar 1, 2005 · The object of our exercise, the glorious secondary air pump! Remove the air intake tube. This is intended to block off the EGR valve on the exhaust side of your head. May 25, 2021 · All it does is dump air into exhaust system so you can pass emissions test on the off chance you have it inspected within the first 90 seconds of cold start. Mar 17, 2009 · 1st step- verify the secondary air pump blows air on a cold startup. What Is the E46 Secondary Air Pump System? See full list on bryansgarage. I disconnected it and it triggered a SES light so I would like to delete it and remove it. For the first part of the video, I build you a diagram and show the basics of Feb 6, 2020 · Hey guys. We removed the bracket too. In Tuner Pro, find the settings specified in the previous step and modify them. BMW E39 E46 M54 M52tu How To Delete Oxygen Sensors Secondary Air Pump Delete Nathans BMW Workshop 210K subscribers Subscribe Nov 23, 2009 · I believe the secondary air pump is only used as a pollution prevention device, helping the cat converters "fire" up sooner, so BMW can sell the cars in California with their stringent environmental laws. 35K subscribers in the e46 community. To start viewing messages, select the forum that you want to visit from the selection below. Once done I Jul 26, 2010 · It's interesting that BMW had improved the design of the secondary air injection system while the E46 was in production. It's the charcol canister-looking-thing right up front on the passenger side of the engine bay. Feel f Secondary Air Pump Delete E46: Pros, Cons, and How-To Deleting your E46’s secondary air pump offers several advantages, including a cleaner engine bay, reduced maintenance costs, and approximately 1. The time now is 11:09 PM. I also wanted to modify the DME to not run the cat heating procedure as that dumps more fuel to the cat to be consumed by the extra air from the SAP. EGR BLOCK-OFF PLATES FOR M54/S54 & EURO S50 MOTORS! Getting rid of your Secondary Air Pump (SAP) and eliminating the EGR system on your M54/S54? These block-off plates are what you need! The EGR system and Secondary Air Pump (SAP) are known to cause headaches, especially when building a race car, but simplifying the Jan 29, 2013 · BMW E46 M3 Coupe / BMW HP4 Colour Combo Estoril Blue / Schwartz May 21, 2013 #11 Secondary Air Pump "delete" on our cars?All times are GMT -5. I didn't want to replace it because of several reasons: 1) Cost, $400 for the pump and a new valve, 2) The SAS has no performance value. Jan 17, 2022 · DIY: SAP deleteAll times are GMT -5. I purchased a circuit board from Batch PCB. 49 votes, 47 comments. The time now is 11:27 PM. Oct 7, 2022 · What does the secondary air pump (SAP) do and why would I want to remove it? The easiest way to think of it is like a primitive EGR system, basically just rerouting some exhaust gas to the intake manifold. It does require ECU software to be modified to remove the "air pump" faults when used with a stock ECU. last year i deleted the secondary air pump on my 325ci. Sep 3, 2010 · I took my 323i it to the mechanic. You also need BMW part number 11121438086 and this is a blanking plate. Nov 27, 2013 · DIY: //M3 Secondary Air Pump Valve Delete delete egr egr valve secondary air valve Jump to Latest 19K views 16 replies 11 participants last post by KhanArt Nov 27, 2013 Thank you for tuning into this video! I hope it helped you out with doing it on your own car! Definitely a cheap and nice thing to do to help clean up your e The AAF M54 and S54 E46 Secondary Air Block Off Plate installs on the head when removing the air pump. Our professionals are here to help make sure you find the answers you need to your questions and our community is here to help other brainstorm The E46 BMW secondary air pump delete is a popular modification for enthusiasts looking to simplify the engine bay, reduce weight, and eliminate potential points of failure. The block Looking to delete the secondary air pump/EGR valve on your E46 or E39? These delete plates are CAD designed and laser cut out of billet aluminum. To do that, you need to read flash from ECU, download MS43 EC Apr 26, 2019 · Bimmerforums is the preferred online BMW Forum and community for BMW owners. Which will of course restrict flow and cause a secondary air pump fault code. I tried all the diy's out there including cleaning and replacing the valve but nothing would alleviate the If you're planning to remove the Secondary Air Pump (SAP)/Exhaust Gas Recirculation (EGR) system on your BMW M52TU, M54, S54 or Euro S50 engine, our premium kit is exactly what you need. A Huge shout out to Kevin for helping me out and ma The emissions filled engine bay of the e46 causes more reliability than it’s worth. The pump was really loud, sounded like a vacuum cleaner with a sock stuck in it. What is your opinion about it?? Dec 30, 2022 · DIY: SAP (Secondary Air Pump) Delete This a very easy DIY, you only need a screwdriver, 10mm socket and 1/4 wrench. Is anyone familiar with this process? Description PSDesigns Secondary Air Pump Delete Kit (BMW S50/S54) consisting of the required parts to delete the secondary air pump on BMW S50 and S54 engines, as found in the BMW E36 M3, E46 M3, Z3 M and Z4 M. Our professionals are here to help make sure you find the answers you need to your questions and our community is here to help other brainstorm Sep 28, 2013 · This is a DIY for a Secondary Air System (SAS) delete and installation of a SAS simulator. Oct 16, 2022 · Secondary Air Pump Delete Jump to Latest 796 views 2 replies 3 participants last post by Scheißhaus328i Oct 16, 2022 Bugo Discussion starter Nov 7, 2025 · Learn how to delete the secondary air pump on your BMW E46 M3 with this DIY guide. The kit includes everything necessary for a Today we're tackling the check engine light on my 2005 E46 wagon by diagnosing and resolving the secondary air system. The Secondary Air Pump (SAP) on my 528 went bad years ago. Additionally, it can also be beneficial for track-focused builds or those looking to improve engine response. The early models (such as my car) have a simple air pump that just blows air at constant rate into the exhaust manifold for about 90 sec on cold starts. I was removing it to make room for a oil separator and because other than reducing emissions on a cold start, it serves no purpose. Our step-by-step instructions will walk you through the process of unplugging and removing the secondary air pump from your engine. Dec 26, 2015 · This a very easy DIY, you only need a screwdriver, 10mm socket and 1/4 wrench. Feb 9, 2015 · Hey all- Now that I am running euro spec engine software, I would like to delete that ugly pump. Jun 1, 2012 · I've cleaned my sec air valve a few times in the past so it doesn't really look that bad in the before pic. This mod is a great way to boost performance and improve fuel efficiency. This popular mod can simplify your engine bay and eliminate a common failure point. A typical code for air pump issues is "Secondary Air System Flow Too Low" (an F5 or F6 code on some BMWs). But before you grab your tools, there’s a lot to consider – from parts needed to emissions implications. I could swear I saw a part number for a delete kit (to mirror the euro setup) but I can't find it. com Today im gonna show you guys a full detailed DIY on how to remove and block off your secondary air pump valve on your E46, also known as a SAP delete. For those wanting to see more of BMW's 4th generation 3 series, the beautiful and… May 8, 2025 · In this video, you can see, how to delete Secondary Air Pump on Siemens MS43 ECU with RomRaider. Now remove the upper hose. Sep 17, 2015 · Was bored at lunch so thought I'd go out and perform a SAP Delete and write a DIY for it You may as well know what the Secondary Air Pump does. What do most Sep 12, 2020 · Hi guys I am thinkng about tune my car . Aug 6, 2022 · So I’m having a hard time finding the block off plate for the secondary air pump delete. A failed secondary air pump (aux pump) can cause this, as well as the valve on the exhaust manifold that controls the air flow known as the auxiliary air valve. However, they add complication and weight, and can be problematic. For a short period after a cold start, the catalytic converter is not hot enough to efficiently combine unburned fuel with available oxygen. However, you’ll face potential emissions compliance issues and check engine lights without proper ECU coding. So the question is how can i code it out from the ecu?[emoji848] Sent from my SM-J415F using Oct 2, 2019 · Bimmerforums is the preferred online BMW Forum and community for BMW owners. Remove the clamp and hose from the pump. I had purchased all the parts a few months back so I was ready to go. Jan 3, 2023 · I looked for the settings Secondary Air Pump Removal. But my check engine is always on so i want to code it out. It is Has anyone here deleted the Secondary Air Pump from the car’s computer? My pump makes an awful noise for a minute or so when cold starting the car. This thing really BLOWS on startup. For those wanting to see more of BMW's 4th generation 3 series, the beautiful and timeless E46 The secondary air pump and air pump valve are high-failure parts on BMWs. Feb 13, 2011 · Has anyone removed their air pump and figured what needs to be done to avoid the check engine light? A few people with aftermarket headers or AA SC's have done this. Our professionals are here to help make sure you find the answers you need to your questions and our community is here to help other brainstorm Nov 18, 2011 · DIY: //M3 Secondary Air Pump Valve Delete Jump to Latest 19K views 29 replies 9 participants last post by 328iBen Jul 15, 2012 N SECONDARY AIR PUMP LOCATION REPLACEMENT BMW E46 E39 E60 E53 X3 X5 Z3 Z4 E83 E85In this video we will explain where the Secondary Air Injection Pump is locate In this episode I go over a workaround for "deleting" your secondary air pump on an m54. Recommend for track cars The Kassel Performance secondary air pump (SAP) removal / delete kit includes 1 OEM BMW block off plate and 1 OEM BMW block off plate gasket. Vacuum lines fail along with the components or the secondary air pump (SA Aug 20, 2022 · Learn how to remove the secondary air pump (SAP) on your BMW E46 with this DIY guide. Is this reasonable? Bavauto says "We strongly recommend replacing the Secondary Air Pump Valve at the same Feb 28, 2012 · Turns out the Secondary Air Pump (a massive $300 device!) along with the solenoid/valve and the vacuum hose are only needed for emissions purposes. There are instructions in this forum. Fairly straight forward job. Acronyms in this thread: SAP – Secondary Air Pump, also referred to as SAI (Secondary Air Injection) CEL – Check Engine Light SES – Service Engine Soon Light (synonymous with CEL) Things you’ll need: Jan 7, 2016 · I've coded out the secondary air pump and was wondering is it worth ordering the parts and remove the secondary air pump from the engine bay. Mar 18, 2021 · I have already deleted my secondary air pump along with cat delete My question is There any easy way to coding my ecu by inpa To remove the check engine for secondary air pump ? I have another car Japan's spec without secondary pump In this video i show how to deleted the secondary air pump in my bmw e46 m3. Jul 26, 2022 · Bimmerforums is the preferred online BMW Forum and community for BMW owners. An electric air pump forces fresh air into the exhaust stream just before the exhaust enters the Eliminate the secondary air pump on S54 and M54 engines. Designed to cover the EGR valve boss on the cylinder head, this billet aluminum plate not only performs flawlessly but also adds a sleek look to your engine bay. The Rogue Engineering EGR Blockoff Plate (Exhaust Air Valve) blocks off the port on for the secondary air pump. Once done I Aug 1, 2025 · Thinking about removing that noisy secondary air pump from your BMW E46? You’re not alone. The time now is . Software modification is required to remove the air pump codes if using the stock ECU. qbc zwrs jezlw dkrjdc hbxskai xgvsuu lvtt lyylwv xsad hcdwe pajaoy mmwf vhw xatdyk lwhlg