05-05-2021, 07:25 PM | #265 | |
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05-05-2021, 11:02 PM | #266 | ||
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05-06-2021, 10:21 AM | #267 |
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The ombudsman can help resolve disputes with BMW. Those of you who are club members, can show bad performance data and show that the dealer was unhelpful could contact the ombudsman to help resolve the issue or at least get an official response from BMW. I can't do it since I don't have test data and haven't complained. It should be someone who is a club member and has solid data like from a Dragy (?). We can also point out that:
1. Car and Driver couldn't beat 4 seconds in the 2021 they tested in January. 2. Car and Driver tested a 2020 750i with the same engine, same transmission with virtually identical ratios, identical rear end ratio, and 400 lb more weight and it managed 4.0 secs. 3. Car and Driver tested a 2020 X5 M50 and it did 3.9 secs. It weighs 900 lb more. 4. Car and Driver tested a 2018 model with 456 HP and manage 3.8 sec! Another possible data point: anyone here tested their stock pre-2020 M550i with 456 HP engine using a Dragy? Seems like a lot of evidence here that something's fishy. If you have data it would be worth it to join the club just to try to get an answer from BMW via the ombudsman. You'll get a nice rebate on your next BMW purchase or lease. |
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05-06-2021, 11:12 AM | #268 |
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You know BMW CCA provides rebates on newly acquired cars, right (purchase or lease)? It's currently $1,000 on any 5 series - makes joining totally worth it:
https://www.bmwcca.org/vehicle_rebate |
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05-06-2021, 02:35 PM | #269 | |
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2021 Tanzanite Blue Metallic over Black Extended Nappa M550i xDrive
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05-06-2021, 03:25 PM | #270 |
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I'm bringing the car in on Tuesday. They're going to submit an online case to BMW. The only issue is that they need to include fault code info with the case, and AFAIK there shouldn't be any codes. But, we shall see. I'm more than willing to spend a few bucks on a rental if it'll fix this issue, or at least move it along with BMW.
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05-06-2021, 03:28 PM | #271 |
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The 2018 was as usual under reported at 456HP. Dinan had stock at 540HP at the crank.
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05-06-2021, 06:45 PM | #272 | |||
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05-07-2021, 08:57 AM | #273 |
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My Jb4 has arrived. No fitting instructions for the LCI m550i / M850i is a bit of a ball ache however. Also Have some BMC air filters and an X pipe on the way. Need to get this thing moving and sounding right!
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05-07-2021, 09:39 AM | #274 | |
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I know this is not stock, but here is a dragy of my 2019 m550i with dinan elite v2. I feel a 3.6x run would be possible since if you compare the 0-10 runs between the 2, if I launched my 3.77 run like the 3.82 run, would have been a faster time. |
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05-08-2021, 11:42 AM | #276 |
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11.7s quarter mile in wet conditions. This seems like how it should perform, no? That's pretty solid stock. I think all of us doing LCI dragy runs haven't really taken it 1/4 mile for the most part but I don't think we'd see anything outside of low to mid 12s at best with the issues in this forum. That to me indicates something is different from Euro models or if this is a press vehicle configured differently?
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05-08-2021, 01:39 PM | #277 |
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These guys got 3.8 sec 0-60 in a 2020 M550i. Australian review. It suggests that at least it’s not the engine’s fault. Don’t know if 2021 year would make a difference or US version is different.
https://performancedrive.com.au/2020...ew-video-1023/ |
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05-08-2021, 02:29 PM | #278 | |
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05-08-2021, 03:21 PM | #279 | |
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05-08-2021, 03:55 PM | #280 |
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I'm really surprised that it seems to be affecting US cars and not UK. At least the US cars still sound fantastic!
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05-08-2021, 04:43 PM | #281 | |
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05-08-2021, 04:58 PM | #282 | ||
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05-09-2021, 09:09 AM | #283 |
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The m550i lci is only pegged back in 1st and 2nd. Its faster than an RS6 on a roll so no doubt high 11's is correct. The point is a heavier M850i with the same motor is 3.4-5 0-60 a d Mid 11's over the quarter. The M850i is a $100 grand plus car so I guess BMW didn't fee the need to reign it in
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05-09-2021, 11:46 AM | #284 | |
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05-10-2021, 08:41 PM | #285 | |
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05-11-2021, 10:12 AM | #286 | |
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