07-23-2020, 10:31 AM | #2 |
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Drives: '18 M2 6MT
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Location: Missouri
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Just wow.
1. Buy a low-mileage used engine 2. Sell car 3. Start over with a fresh car |
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07-23-2020, 10:40 AM | #3 |
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Sorry to hear about your engine! If you do replace the engine and start tuning again, I would strongly recommend getting a custom map with the car on some rollers. Failing that, get a wideband O2 sensor fitted with an AFR gauge so you can see when it's running lean.
It does sound like the Dinan flash map has made the engine run lean leading to excessive det. |
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AmuroRay2282.50 |
07-23-2020, 11:17 AM | #4 | |
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07-23-2020, 12:28 PM | #5 | |
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Underwoodu7.00 |
07-23-2020, 01:14 PM | #6 | |
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Did Dinan inform you that the car "needed a motor" at the time of your order ?
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07-23-2020, 02:31 PM | #7 |
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Dinan probably would have just rejected your claim cus of BM3 anyway but to deny based on you just having the tuner and not the whole package doesn't make sense. Are they saying you need the S2 package to have warranty? I wonder if everyone knows this cus this is news to me.
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07-23-2020, 03:02 PM | #9 | |
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Regardless, he claimed he had removed the Dinan Sport, awhile back and went BM3 flash tuning, so Dinan's involvement is in this situation is completely irrelevant. By design, the second you flash tune these vehicles through the OBD2 port, the ECU's 'checksum' triggers an incremental flash counter, with a sequenced date and time stamp attached, which is a dead giveway to anyone checking, how and when software was changed. Thus, specifically the engine section of his warranty coverage would of been null & voided, either way. Case close, end of discussion. Also, I bet you anything that he volunteered more information than what was necessary, to the dealer. So, he kind of sunk himself but I guess that's "right" thing to do.. Or so I've heard It sounds like a used motor is in your future OP, good luck. |
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Happy Motoring474.00 |
07-23-2020, 03:56 PM | #12 |
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Perhaps, but we know it fits!
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07-23-2020, 04:27 PM | #13 | |
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OP a few things I want to add:
1) Did you data log your car after flashing the ots map for the first time and after the first misfire was addressed, if so can you post it? This is an essential part to ensuring your car or local fuel quality can handle the map without issue. 2) Why didn't you half the maintenance interval? BMW is notorious for having extremely long maintenance intervals which contributes to premature failure after warranty. This shouldn't have been an issue for such a low mileage car though, just some advice I suppose. 3) What were the exact misfire codes and were the from bm3, ista, or a generic obd2 tool? Also did any of the spark plug electrode fall off into the cylinder? 4) It is kind of weird that the engine failed from a misfire, generally at such low power levels misfires tend to be benign. 5) Did you use anti-seize on your plugs? 6) I would not advise in buying any used n55 engine and dumping it in the car and selling it. If you do not have the proper paper work proving that the used engine was in good shape and an m2 engine you will loose insane resale value since bmw already inspected it and now it will be on the car fax reports. 7) What I recommend is filing a claim through your car insurance, if you have comprehensive coverage that will count towards engine replacements. Your premiums will jump but I think the end cost will be less than doing a proper m2 engine replacement. Quote:
Yes that is exactly what he could have done.
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07-23-2020, 04:30 PM | #14 |
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it will fit but it will be hard and expensive.
From the different wiring harness, different ecu's, different intakes, exhaust, different LPFP, different engine mounts, different cooling set up (meaning different mounting brackets, different under body trays for the oil cooler). So not going to be an easy retrofit, and you have a bunch of extra stuff you have to buy.
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Hankdoll135.50 |
07-23-2020, 04:48 PM | #15 | |
Luxury at the redline :)
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07-23-2020, 05:00 PM | #16 |
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Oh yes my bad, I get confused since collector/modified car insurance also includes mechanical break down insurance which is different than comprehensive.
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Poochie9104.50 |
07-23-2020, 05:00 PM | #17 | |
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07-23-2020, 05:03 PM | #18 | |
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Also I don't believe the flash counter is everything, there are probably other mechanisms the car can use to detect tunes, like boost deviation in comparison to fueling for piggy backs. Or hidden ghost codes for flash tunes. There is even data stored on the key.
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07-23-2020, 06:03 PM | #19 | |
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07-23-2020, 06:36 PM | #20 | |
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07-23-2020, 06:43 PM | #21 |
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I’d see if Carbahn can rebuild it for you. They sell performance S55 engines, maybe they’ll do an N55 too.
https://carbahnautoworks.com/product...83-m4-f87-m2c/ |
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07-23-2020, 07:22 PM | #22 | |
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or try vac too.
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