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Another EGR Cooler (P2457) Thread...
While I had the X5 there I had the shop do a full inspection. Shop suggested I keep an eye on the EGR Cooler as there was some soot near the common leak area. I noticed that as well before bringing it to them. No CELs at the time, so of course I wasn't going to worry about it. They quoted just under $1300 to replace it. Put another (200) miles on so on the X5 & pop, CEL comes on. It was the small CEL that is up top. Went by my local Advance Auto Parts, borrowed a scanned. P2457 was the code, "EGR Cooling System Performance".....of course. I did not clear the code as I am trying to decide if I wanted to take it by the dealer or my local bimmer shop. Performance & drive ability has not changed. Since the CEL popped on I have probably put another 150+ miles on the X5. I've been on the phone with BMW NA, my local BMW Dealer, the BMW Dealer I purchased it from & my local bimmer shop trying to decide what to do. According to the "Warranty Vehicle Inquiry" paperwork I received there is still an 'Active' Federal Emission Warranty up to 80k miles. Unfortunately the research I've done so far doesn't look like the Federal Emission Warranty will not cover the EGR Cooler. My vehicle does have the updated EGR Cooler Bracket installed. I've seen only a couple situations where people were super lucky & got the cooler replaced under that warranty but it looks like the majority have not. My question, will there be any issues if I continue to drive the X5 with the P2457? Like I said, currently no difference in performance or drive ability. With about 80k miles on the X5, if I replace the cooler, I might as well look into replacing most or all of the vacuum lines & have the CBU service completed. Local bimmer shop quoted around $1600 for the vacuum lines & CBU service. Usually I prefer to replace a bad OEM item with something better aftermarket. After a little research I came across this EGR Race Pipe... EGR Race Pipe for BMW 335D and X5 35D Does anyone have an experience with this item? I've already inquired about dyno tune packages with my local bimmer shop. Of course, if I were to delete the EGR Valve/cooler it would need to be tuned. Sorry for the long post, just trying to give all the info I can. Any feedback, input or suggestions is appreciated!! |
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Anyone?
And the local shop I am referring to in my above post is Bimmer Performance Center. Luckily I am local to them, 20 miles or so. |
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In general, unless CEL is blinking and/or you get "reduced power.." message, you can continue driving. Having said that, replacing the cooler itself isn't that difficult. Vacuum lines and CBU cleaning is purely optional and imho a waste of $$. Again, imho. Some invest in detailing suspension parts, so what do I know....
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Yup, I have experience with diesels and emissions failures, I purchased a 2011 "lemon" 335D under warranty that had to have extensive repair work to make it work right! The X5 35D and 335D have the same engine (though there are small differences). I've replaced everything in the emissions system at least 1x. My family used to laugh that the car spent more time in the shop than at home. I just said it was lonely and missed the dealer service bay. The SES was just a reminder that the car strayed to far from the dealer service bay ;-)
You should pull the BMW specific error code on the car to determine what the actual issue might be. Anyway with a possible "EGR" issue, there is no harm in continuing to drive the car with the SES light on. There will be no performance difference. I've done it countless times, the car does not enter limp mode for EGR failures. EGR codes are not possible to diagnose without the BMW specific codes. Everything from exhaust pressure sensor failures, EGR valve failures, Cooler Failures, MAF failures, differential pressure failures, etc. could throw an SES for the EGR. I'd actually spend a little time looking at the code because the car throws codes for "EGR implausibility" but it can mean a range of things that a tune/bypass won't fix. Assuming your EGR cooler is broken, the cheaper fix is to take the computer out and send it to JR tuning and have the EGR tuned out, then block it (unless you buy a salvage cooler). This will remove the SES, and improve fuel economy, and stop carbon build up. The race pipe above is fine, or use IAKNOWNS block plates, either will work. Frankly I'd be real surprised that a X5 needed a CBU cleaning at 80K, but hell mine had it done at 21K miles...... Last edited by Thecastle; 02-01-2017 at 11:17 AM. |
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Is it possible to delete the EGR with a tune and still have SCR and DPF in place? I always thought you had to delete all 3 at the same time?
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2018 Ram 2500 6.7L Cummins 68RFE 19k miles -Bright White/Black - Big Horn Sport - Crew Cab Short Bed 2013 X5 35D (CEO's) - Born on 5/17/2013 - 82k miles - Alpine White/Cinnamon Brown/Premium Pkg, Sport Activity/Premium Pkg and Sound/20" Style 214/Running Boards |
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I've had experiences in other tuned cars where if you don't follow the tunner recipe you can have unexpected "issues" However, the tuners do offer an EGR only delete with stock exhaust and emissions in place (DOC/DPF/SCR). I have this tune from JR tuning on my 335D for many months and 1000's of miles without any issues. Early on some tuners had issues with the EGR only delete preventing the DPF from successfully performing a regen, but this issue has since been fixed. |
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^^That is great to know! If it will improve reliability in the short term I absolutely would consider getting the EGR deleted and tuned for it - I was recommended JR Tuning for the 35D as well so would definitely go with their product -
So just deleting the EGR alone with a tune for it will increase fuel economy and health of the engine and reduce carbon build up correct?
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2018 Ram 2500 6.7L Cummins 68RFE 19k miles -Bright White/Black - Big Horn Sport - Crew Cab Short Bed 2013 X5 35D (CEO's) - Born on 5/17/2013 - 82k miles - Alpine White/Cinnamon Brown/Premium Pkg, Sport Activity/Premium Pkg and Sound/20" Style 214/Running Boards |
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I've seen the block off plates but I would prefer to do the Race Pipe. If the EGR Cooler is cracked might as well get the EGR valve out of there too. Cleaner setup & a little better air flow going into the motor. If I decide to go with the Race Pipe I would be getting rid of the item that creates the carbon build up. So if I do Race pipe & tune, might as well do CBU cleaning too, maybe get a little more hp & mpg out of the X5 with all that done at once. |
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This is what I wanted to confirm. Looks like Thecastle, and others, have been running that setup for a while so I guess that means we would be good to go. |
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You may also want to check your vacuum lines, red boost hose and vibration damper, these all fail at your milage. P.S. if you really want to read about mods/fixes for your car the e90post diesel forums are the most active. |
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