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Hydrolocked my '08 535!

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Old Aug 4, 2009 | 01:38 PM
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The title says it all. My wife drove through several inches of water that a Mini went through with no problems, but the engine died midway through. Talked to the dealer and they said there was water in two of the cylinders. I have the insurance company on it but I wanted to know how low the air intake is on this car. It does have the sport package so it sits a little lower, but I am amazed that this car sucked up water that wasn't even up to the rocker panels.
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Old Aug 4, 2009 | 01:46 PM
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Just last week I drove through at least 6 inches of standing water puddle at 5 mph and I had no issues.

My car is also sports.
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Old Aug 4, 2009 | 01:53 PM
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From: Originally from Koeln, Deutschland. Enjoying it in Bonita Springs, Florida Now :)
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Originally Posted by Kzang' post='965525' date='Aug 4 2009, 05:46 PM
Just last week I drove through at least 6 inches of standing water puddle at 5 mph and I had no issues.

My car is also sports.
The air intake isn't "low" I believe...
It sits around the same height as the top of the wheels.
Good luck!
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Old Aug 4, 2009 | 01:53 PM
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The air intake is fairly high on our cars (on the left side behind the kidney grille). It doesn't sound like it was the amount of water she drove through, sounds more like she was going to fast and produced a bow wave effect brining the water level to the level of the intake. All it takes is a table spoon of water to destroy an engine. The Mini was probably going much slower.
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Old Aug 4, 2009 | 01:55 PM
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From: Originally from Koeln, Deutschland. Enjoying it in Bonita Springs, Florida Now :)
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Originally Posted by pjinca' post='965538' date='Aug 4 2009, 05:53 PM
The air intake is fairly high on our cars (on the left side behind the kidney grille). It doesn't sound like it was the amount of water she drove through, sounds more like she was going to fast and produced a bow wave effect brining the water level to the level of the intake. All it takes is a table spoon of water to destroy an engine. The Mini was probably going much slower.
+1 and -1. I was driving the other day going about 55 and the car to the left and in front of me drove through a puddle and A TON of water slam onto my car and I couldn't see anything for about 3 seconds but I continued driving no problem, even with RPi scoop!
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Old Aug 4, 2009 | 01:57 PM
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Originally Posted by Krozi' post='965541' date='Aug 4 2009, 02:55 PM
+1 and -1. I was driving the other day going about 55 and the car to the left and in front of me drove through a puddle and A TON of water slam onto my car and I couldn't see anything for about 3 seconds but I continued driving no problem, even with RPi scoop!

Which only means that it probably wasn't enough water to send it through your filter. Pressure, remember?
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Old Aug 4, 2009 | 02:02 PM
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Sounds like the wave struck in just the right place and looks like you'll have an insurance claim ... probably get a new engine.

You do have flood insurance don't you?
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Old Aug 4, 2009 | 02:02 PM
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From: Originally from Koeln, Deutschland. Enjoying it in Bonita Springs, Florida Now :)
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Originally Posted by pjinca' post='965545' date='Aug 4 2009, 05:57 PM
Which only means that it probably wasn't enough water to send it through your filter. Pressure, remember?
Trust me, there was enough water!

And the water go shot into my grilles and into my scoop. I would think that water shooting into the scoop would have a better chance of hydrolocking an engine than driving through a water where the water doesn't really have a lot of pressure towards the grill since the water gets pushed away from the car... guess I was wrong.


How fast was she driving?
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Old Aug 4, 2009 | 02:06 PM
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Originally Posted by Krozi' post='965550' date='Aug 4 2009, 03:02 PM
Trust me, there was enough water!

And the water go shot into my grilles and into my scoop. I would think that water shooting into the scoop would have a better chance of hydrolocking an engine than driving through a water where the water doesn't really have a lot of pressure towards the grill since the water gets pushed away from the car... guess I was wrong.


How fast was she driving?

+1 you would need to have more water than air in the intake to force it through to the engine, which is why we are all pretty safe with our scoops in rain. However, if we drove too quickly through a puddle? We'd be F'ed.
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Old Aug 4, 2009 | 02:23 PM
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several inches of water is nothing. i live in florida, i drive in 6 inches of water all the time.
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