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01-24-2024, 05:33 PM | #23 |
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Redd Concur on NRW inline fuel filter. Planned near-term PM/upgrade along with new Bosch injectors.
Actually, an early NRW products adapter; their valve covers with silicone grommets. So-far ~3K of spirited driving - - no issues, leaks, all clean and pristine.
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e92 M3 - Interlagos Blue | Recaro GTs w/Fox Red Extended |Carbon Leather
Performance Mods: Alpine Stage II; SuperSprint config: catless, non-resonated header-back w/ F1s; do88 coolers; aFe CAI; Bilstein B16s w/EDC; Brembo BBK; AutoSolutions SSK Last edited by smokinjoe64; 01-24-2024 at 05:39 PM.. |
04-16-2024, 04:58 PM | #24 |
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So with something like this could I just install it along with new injectors and be all set? Or would I have to also change the fuel pump and fuel filter in the gas tank?..
I just got an e92 with under 50k miles but seeing the other user above blow his engine due to this issue at 60k miles is making me want to err on the side of caution. |
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04-19-2024, 03:51 PM | #26 |
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Bought & test installed NRW in line fuel filter, it’s high quality but the fitment is not OEM level given the tight space, filter bracket runs against the plastic ignition coil cover & the flexible fuel line to the rail needed to be relocated & twisted beyond my comfort level, also said rubber fuel line now sits closer/in the way of significant radiant heat from the driver side exhaust header.
I know some people have installed these & are happy, I personally wasn’t comfortable, so removed it. Another thing is, the NRW or similar fuel filter should not be considered an alternative to replacing fuel injectors at regular intervals as they may already be clogging up as most cars have 50,000 miles or greater.. I wish the NRW filter were smaller in size, it would fit so much better.. |
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05-06-2024, 07:22 AM | #27 | |
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Added ProjektAutoScott and AKJCCM3 injector>engine failures to the blown engines list.
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Oil analysis for finding wearing rod bearings?. Collation of oil analysis reports with some rod bearing photos for the M3's S65. My categorisation of pulled rod bearings in the rod bearing condition thread. My updated 'Blown engines' list. |
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05-06-2024, 09:18 AM | #28 |
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Year: 2019
Miles: 40,000 miles Injector Failure symptoms: raw fuel smell, limp mode reduced power, rough idle. Duration driven with symptoms: less than one kilometer, but I made another mistake that prevented me from saving that engine. Secondary failure: hydrolock because of several attempts to start the engine and investigate. one of those startups end up in starter locking up, and con rod fatigued, then engine blew up after injectors were replaced. cylinder walls were in pristine condition. Injector failure cause or theory: I bought the car far from home, and came driving it home, about 600 miles. previous owner always used bad (common) quality fuel. I got home, let the tank full of top tier gas, and went away for work for 2 weeks. after come back, at first ride it happened. do the math. common gas, high deposits. top tier gas, high cleaning. That was the moment of the hydrolock: |
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05-06-2024, 12:36 PM | #29 | |
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05-06-2024, 11:19 PM | #30 | |
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There has been 5 years since then, and never had any problems after that, always using top tier fuel. I work offshore in a regular basis, so the car runs for 3 weeks and sits for 2 weeks regularly. |
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05-07-2024, 05:47 AM | #31 |
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Ugh, now I am thinking to do this as preventative maintenance and look into a fuel filter solution. Although seems to be a lesser issue than the RB's and my mechanic told me to not worry about it. Which those have a pretty small failure rate, so this might be even less of a failure rate in the grand scheme. Guess it's not an insta engine grenade as long as you recognize the problem and don't try to turn the motor over multiple times. Stuff like this makes me appreciate the simplicity of EV's... oh the horrors of belonging to a car forum, lol.
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05-07-2024, 05:56 AM | #32 | |
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It's a pretty simple installation. Yes, you might have a good chance to save the engine. All cases I've seen, driver insisted on keeping engine running. But you must have the discipline to be sure that, whatever misfire your engine faces, you will disassembly all the needed parts to get to the injectors and take them to a shop to check. Yes, it may happen having the filter too, but I'm betting that the filter will reduce to close to zero that chance. Had to do it my own way here. 10-micron filter running now. May I add that, here in Brazil, the last three or four cases I heard of E9X losing engines were due to stuck injectors. Not a single one related to RBs. And not everyone here believes that RBs are a real problem. And no, I'm not an RB-denier. I'm running on BEs. |
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05-07-2024, 06:44 AM | #33 | |
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Edit: I did find this, might give it a try as it seems to be way lower profile. https://europowermotorsports.com/pro...t-bmw-s65-s85/ Last edited by PiZauL; 05-07-2024 at 07:04 AM.. |
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05-08-2024, 03:20 PM | #34 | |
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Quote:
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Oil analysis for finding wearing rod bearings?. Collation of oil analysis reports with some rod bearing photos for the M3's S65. My categorisation of pulled rod bearings in the rod bearing condition thread. My updated 'Blown engines' list. |
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05-08-2024, 08:51 PM | #35 |
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Unfortunately no.
I know that one of them was a victim of fuel adulteration, that consists basically in mixing fuel with solvents, which I think would help loosening old deposits. Result: scored cylinder. I wonder what is the injector screen (if it exists) for in that case? I only can think that it doesn't exist, or just isn't enough. Last edited by jvictormp; 05-08-2024 at 09:48 PM.. |
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05-09-2024, 10:01 PM | #36 |
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OEMs do not generally put a 10 micron filter in the fuel system as it could relatively easily clog up & thereby necessitate frequent fuel filter service which adds to cost of ownership & that’s a big deal for manufacturers..
Also not all fuels are good quality, therefore over time & mileage most injectors will have some deposits clogging them & affecting the spray pattern resulting in decreased performance/mileage at the best & rare occurrence of sticking open.. In my personal opinion, use the best quality fuel, use cleaner additive every 3,000 miles AND replace or professionally bench clean injectors every 50,000 miles. As we know, most European cars including BMWs do much better with preventative maintenence. Also read up a few places about in-tank fuel pump materials degrading over time & small particles breaking off & possibly clogging injectors causing failure.. Not sure how true this is.. A few people had to replace their fuel pumps around 75-90,000 miles due to failing check valve causing hesitation with morning cold starts & some causing fuel smell from the rear of the car due to retaining ring cracking/other.. Not sure if we should be preemptively changing the fuel pumps around that mileage…? |
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05-10-2024, 01:35 AM | #37 |
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I'm going to be checking my car's fuel filter.
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Oil analysis for finding wearing rod bearings?. Collation of oil analysis reports with some rod bearing photos for the M3's S65. My categorisation of pulled rod bearings in the rod bearing condition thread. My updated 'Blown engines' list. |
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05-10-2024, 09:36 PM | #39 |
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As far as I know, the only factory fuel filter is located inside the fuel tank.
For all the effort & time required to get to it, might as well replace the fuel/transfer pump since the filter is integrated into the pump! That way you’ll have no worries for another 75,000 miles.. |
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05-15-2024, 03:06 PM | #40 |
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Except the pump's fine, so why change it (unless the filter is damaged and can't be replaced).
No I didn't, not seen an M3 one so far, got a pic of one?
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Oil analysis for finding wearing rod bearings?. Collation of oil analysis reports with some rod bearing photos for the M3's S65. My categorisation of pulled rod bearings in the rod bearing condition thread. My updated 'Blown engines' list. |
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