06-11-2018, 04:28 PM | #1 |
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///M6 engine failure at speed... but a good ending
Well, a few nights ago I was traveling on the interstate around highway speeds in the far right lane getting ready for my exit. Came up behind a couple slow pokes, so it was time to pass - accelerated hard (but not to kickdown), car dropped a gear and made the pass in a couple seconds. Of course, at that point I'm going faster and taking my exit, which is a sharp cloverleaf... start braking and pedal is a rock, look down and my tach shows zero... [insert various obscenities and pant stains here]. I stand on the brakes, muscle the steering with both arms and manage to make the curve by using all of the paved lane, the paved shoulder and a touch of the edge. Coast out and find a wide shoulder to get off the highway and calm my racing heart
Car wouldn't turn over and had to be towed - fast forward a few days. Dealer diagnoses a seized engine, with metal shavings in the oil pan/filter... says I need a new engine. Fortunately, I made the decision last summer to buy the extended warranty/service contract from BMW as my base warranty was running out... SA states that they've already received approval from BMW NA to order and install a new engine (said the engine part alone costs over $30K). So, very happy that I didn't wreck and will get a new engine for my baby at no cost. Of course, I questioned the SA hard about why the engine blew but he doesn't have any answers for me yet. As a quick recap, I bought the '14 M6 vert with every option from an audi dealer in Scottsdale... it was as 3 year old garage queen with only 13k miles which had been owned by an older guy and driven lightly on weekends (he had traded it in on a RS7 b/c he needed more room) My m6 has no engine/performance mods at all - only an Akra cat-back exhaust and cosmetic mod's. My driving profile is moderate - I daily drive 50+ miles in Atlanta traffic, so 90% of the time I keep all the settings in comfort and drive relaxed, with occasional acceleration bursts to get around slow-pokes sitting in the fast lane. On weekends I engage in spirited driving on back roads once in a while and drive a little fast at highway speeds in the rare case when traffic is light. I've driven the m6 25k miles over the past 1.5 years since purchase. I'm religious about doubling up oil changes by having my indy do an "extra" oil change every 5k-6k miles (in b/n the bmw oil change intervals). Also OCD about not moving until after the engine start "idle-up" has dropped down to normal idle, and make sure to keep my rpms below 3k until after the engine is fully up to normal operating temps - have never launched it from a standing start and hardly ever floor it to kickdown. Will hopefully get some more info from my SA about root cause after the engine is pulled and will keep this group posted. I'm quite troubled that a stock m6 blows the engine at 38k miles when driven consistent with normal operating parameters... |
06-11-2018, 05:51 PM | #2 |
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Did you get a launch control initiation count prior to purchasing the vehicle?
Was there any way to catch this problem prior to your purchase from Scottsdale? And finally, prior to getting the extended warranty, did the dealership not do a thorough inspection of the vehicle to ensure they're risk was covered? |
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06-12-2018, 01:38 AM | #4 |
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Drives: BMW M6 comp
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oh jeeez. Thats scary. Thanks for sharing, pls keep us posted! 50k miles and counting w out warranty lol. I have a trackday coming up too haha!
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06-12-2018, 02:21 PM | #5 | |
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I don't believe there was any evidence of any problems when I purchased the car. I did get the oil changed 4 times and now I'm wishing I had been getting Blackstone oil analysis done at each change to see if there were any indicators of problems. I will probably do that with my new engine. I bought the extended warranty from BMW a few weeks before the original 4 year warranty ran out (about 10 months ago). BMW does not require an inspection when you purchase an extended warranty from them, but they do review their own service records to confirm the early service for M cars (if required) and generally review for other appropriate servicing. BMW also requires that you purchase the extended warranty before the coverage on the original base warranty expires, so that eliminates allot of the problems faced by aftermarket warranty companies where customers identify problems later, then decide to try to buy warranties (thus inspections and waiting period requirements to have coverage). I'm open to any other ideas on things I could have done, as this experience was a bit of a shock. Feel free to chime in with any other questions or thoughts. |
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06-12-2018, 02:30 PM | #6 | |
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Have fun at your track day and as they say "vaya con dios" (and with an extended warranty) |
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06-12-2018, 06:10 PM | #7 |
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Damn you guys are scaring me! Ive been looking for a M6 GC and with these engine failures im starting to think twice.I will be getting rid of near perfect Merc e63s but I think I will take my chances
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06-13-2018, 06:24 AM | #8 |
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I mostly blame the his avatar for the cause (Go Gators). That said, I would never own one of these cars w/o an extended warranty (mine expires 10/12; not sure what i will do). Engine failures are rare, and sometimes its just the luck of the draw, one weak component can lead to a cascade of failure.
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06-14-2018, 11:58 AM | #9 | |
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With that line of thinking, your excessive oil consumption must be karma from being a gators fan. |
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06-14-2018, 01:49 PM | #10 |
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I talked to a shop that sells 1 s63 motor a month due to blown motors. They said they see this problem in cars that are both stock and tuned. Not really sure if there is a root cause... I think the only thing anyone can do is constant oil changes, warming up car, and occasional oil analysis testing
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06-14-2018, 01:52 PM | #11 | |
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Just wondering was the car low on oil? Does your old engine burn oil between oil change? I always check my oil before I drive it because of these stories. |
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06-14-2018, 10:05 PM | #13 | |
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06-14-2018, 10:54 PM | #14 |
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If you are interested you can buy an OBDII WiFI adapter and purchase bimmerlink. You can monitor various oil level sensors with it and see if you are running low and even make on-the-fly measurements of your oil level. There is an oil pressure sensor there available as well.
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06-15-2018, 07:05 AM | #15 | |
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Good luck with the engine replacement.
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Previous BMW: 16 M4, 13 M6; 14 M235i, 12 BMW M3; 11 BMW M3; 08 BMW M3; 08 BMW Z4M; 04 X3; 02 M3 Convertible; 02 M3; 00 M Roadster; 94 325 convertible; 92 325i Convertible; and 85 635csi
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06-15-2018, 09:33 AM | #16 |
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Odd, most Seminoles M6s are just fine
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06-15-2018, 11:03 AM | #17 |
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My wife's a Gator, so my M6's diagnosis is good based on this logic, right??
I on the other hand went to Riddle, so that's 0pts for or against... |
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06-16-2018, 04:11 PM | #18 | ||
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06-16-2018, 04:12 PM | #19 | ||
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06-16-2018, 07:54 PM | #20 |
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You don't even have a M6....
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06-16-2018, 07:54 PM | #21 |
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So prior to the issue, when did you check the oil level, and what was the level?
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