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| 01-20-2022, 12:23 PM | #1 |
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750LCI Water Damage
Hello guys
I bought a car with flood damage, Can you asist how I can diagnose is engine flooded or not without trying to start up. There is no water in filters on first sight. What else I can look before try to start up. |
| 01-20-2022, 12:53 PM | #2 | |
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| 01-20-2022, 02:12 PM | #4 |
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I'm from the world of old school American muscle cars where you put a socket on the water pump pulley and turn it over by hand. Not sure with these BMW motors though.
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| 01-20-2022, 08:17 PM | #5 | |
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| 01-21-2022, 10:31 AM | #7 |
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I would be less concerned with engine damage as I would be for all of the computers and wiring that may have been affected.
You folks that buy these flood damaged cars are much braver than I would ever be!
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| 01-21-2022, 11:08 AM | #8 | |
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| 01-21-2022, 11:27 AM | #9 |
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Thank you guys for support,
Do you think is good idea to look for aftermarket forged rods, because I read a lot about problems with bending rods on previous versions of N63. |
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| 01-21-2022, 01:23 PM | #10 |
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I think the bending rod issue is a combination of Internet lore, old wives' tales and over-boosted modified tuned engines.
Me personally, I generally prefer OE parts for proper fitment, quality and manufacturing tolerances.
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| 01-21-2022, 03:52 PM | #12 |
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The water issues go beyond the engine and extend to the electronics. These cars are loaded with vulnerable electronics, and water incursion can cause damage that will not show up until the corrosion that is inevitable occurs. I was driving a 4 year old 08 Mercedes E500 when I was caught in a flash flood due to a thunderstorm and poor road drainage. Water was up to the floorboards. The car was driveable and I got to work but coming home, I had multiple warning lights and the car stopped running. I had the car towed to the nearest MB dealer. The water hadn't been deep enough to affect the engine but there was significant electronics damage. Lots of most cars' wiring goes through the channels under the doorsills and in other low places. The estimate was about $14,000, which my insurance company agreed to pay. I was told that had it been salt water, they would have totaled the car. After thinking about it, I took the $14,000 but chose not to repair the car, as I felt that I could never be sure that there wasn't more damage that had simply not shown up yet. It became a salvage car, worth $20,000. I traded it for the 20K, added that to the 14k from the insurance company, and got a new car. YMMV but the problem is that the electronics may check out today and still fail as the water slowly does its damage to components.
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| 01-22-2022, 10:49 AM | #13 |
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The rods were updated even with the N63TU for 2013 or '14. Why not just get a used engine instead of rebuilding? But any car that got water high enough to enter the intakes is probably going to be an electronics nightmare.
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| 01-23-2022, 02:31 AM | #14 |
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My basic question is whether you saw the car to what level it was flooded in the photos or live...?
If the water got inside it doesn't matter if something flooded or not but in any case, if it got inside it must be cleaned. So all the equipment of the seats, carpet must be disassembled and everything must be cleaned very thoroughly. if the water was inside, the speakers under the seats should be replaced by 100% (this is the beginning) and there are also modules under the cockpit on the left and on the right, (in a word, it is a nightmare) Theoretically, without starting the engine, only applying voltage to the components with the start stop button, the "Christmas tree" should already appear on the dashboard & Idrive screen... Last edited by LuckyW; 01-23-2022 at 02:49 AM.. |
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