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11-12-2014, 10:48 AM | #1 |
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A (semi) affordable replacement engine from DINAN!!
Finally, a nice replacement motor from Dinan. Looks to be a basic rebuild .30 over making it a 4.2 liter effectively. Aside from the core charge, the price isn't bad at all considering you get a 2 year unlimited mile warranty from DINAN.. I love it! And it should make some rest easier at night knowing a quality replacement is available!
http://dinancars.com/product/d850-11...ries&mid=1113/ |
11-12-2014, 10:49 AM | #2 |
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11-12-2014, 11:15 AM | #3 |
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$7k is cheap!!! After you get the $20k back for the core that is.
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11-12-2014, 11:18 AM | #4 |
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Now I just need to put on 150k more miles on my car and then it would make sense to get one.
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11-12-2014, 11:21 AM | #5 | |
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For a company where usually most things are priced wayyy out there, this is amazing. Hopefully prices continue to come down to reality now that the car is getting older. |
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11-12-2014, 11:46 AM | #6 |
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Hmmm, Dinan site says not legal for use or sale in Kalifornia, what? I guess you need a CARB number to sell a remanufactured stock engine???
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11-12-2014, 12:37 PM | #7 |
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Nice heads up. Finally the M taxes are coming down a bit for this car. About damn time.
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11-12-2014, 12:56 PM | #9 |
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Uhh, if you spin a bearing, send shavings throughout the engine, or throw a rod due to bearing failure, they will not accept your core (add $20k).
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11-12-2014, 01:03 PM | #10 |
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11-12-2014, 01:05 PM | #11 |
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11-12-2014, 01:10 PM | #12 |
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pretty much fact save for the metal through the motor part.
If it can be cleaned out fine. Dinan is looking for a usable core, meaning a motor that still turns freely. They will tear it down and inspect it I'm sure to make sure the block is in still good shape, but if you're car spins a bearing the next issue is kicking a rod out the block and that makes it a paper weight. |
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11-12-2014, 01:12 PM | #13 |
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Core policy: http://dinancars.com/core-policy/
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11-12-2014, 01:13 PM | #14 | |
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This went from "promising safety valve" to "expensive beginner's stroker" in 15 minutes. |
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11-12-2014, 02:38 PM | #15 |
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The only way this would make sense is to seed their dealers with a few engines to rotate out. $20,000 core charge is just stupid. Dinan can be fucking retarded sometimes.
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11-12-2014, 04:33 PM | #16 |
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I think this is a good option for those of us using blackstone oil analysis to keep an eye on the bearings already. I think they would accept any engine that does not have catastrophic failure. Reason being they are replacing most of the rotating assembly, and boring out the cyl walls so scratches would not be an issue. The only question would be if they re-use the factory crank. Specification states "BMW Forged Crankshaft" so that could be an issue.
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11-12-2014, 04:34 PM | #17 | |
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It's a stock rebuild. |
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11-12-2014, 05:06 PM | #18 |
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If you spun a bearing and find shavings in the pan or oil filter, if I were Dinan, I would not accept the core. Here's why. At the very least, you must replace both oil pumps, all oil lines (inside and outside the engine), oil squirters, and oil cooler. There is no fail safe way to clean these parts and guarantee they are free of metal shavings.
Once you see those metal shavings, it's almost guaranteed your crankshaft is damaged as well. Since there are no undersized rod bearings, the crank can't be ground down and fixed with +sized bearings. You need a new crankshaft. I've also seen two engines with spun bearings that also damaged the cylinder walls. It looks like the pistons started heat seizing on the cylinder walls. One block was reparable by boring the block. The other block bores were damaged beyond repair. So if I were you, once you spin the bearing, I would assume your core is unusable. |
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11-12-2014, 05:11 PM | #19 | |
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Playing on what you just wrote let's think about this. How many people on this forum have gone and replaced rod bearings that looked like they had gouges in them and put the motor back together. I agree with what you said and it makes me wonder how much crap is floating around in the motor (especially oil cooler) after bearings are chewed up. |
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11-13-2014, 04:23 PM | #20 | |
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D850-1130 For those seeking to replace their high mileage V8 engine, Dinan® offers a replacement performance engine for the M3 with a bored 4.2 liter version of BMW's V-8 engine. CLICK TO VIEW APPLIED MODELS ▲ This item is worth 10 point(s) towards your Dinan® Badge. PRICE: $16,999.00 CORE PRICE: $10,000.00 TOTAL PRICE: $26,999.00 TO ORDER CALL DINAN AT 1-800-341-5480
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11-13-2014, 04:29 PM | #21 | ||
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Quote:
Quote:
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11-13-2014, 04:41 PM | #22 |
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$17k, not $7k. This is also not news, they released this a few months ago, and the price back then was $17k too, not including core
I'm interested in what they do for cylinder wall coating, rings, and pistons. I had a call in to the tech guy there but didn't hear back or he tagged me back and I didn't notice
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