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The BMW Range
3 Series
F30, F34
heavy rain going through huge puddle and splash water cause my bmw f30 320i down
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<blockquote data-quote="willy5" data-source="post: 653507" data-attributes="member: 2319"><p>This has been a problem since the days of the e36 and many other models as well. It is water being sucked into the engine not coming in through the exhaust. The exhaust always maintains a positive pressure as long as the engine is running, there is no way flood waters can come in thru the exhaust.</p><p></p><p>BMW tends to locate the intake very low in order to get cool air. In most models, lower than the headlights. If you attempt to cross water more than depths of 6 inches, you run a risk of sucking water into the engine. </p><p></p><p>If you are forced to drive thru flood waters, make sure you are not following another vehicle, if the car in front stops, the waves closing the wake will flood your engine compartment. Also make sure there are no vehicles coming from the opposite side making waves that can flood you engine. </p><p></p><p>Keep you engine revs as low as possible, 2nd gear or 3rd gear (you need try this out coz I think our 8 speed transmissions automatically select 1st gear when slow), and crawl very slowly. This is to keep the suction at the intake as low as possible. Do not rev your engine.</p><p> </p><p>I have not looked at the F30 yet, but in some of the non turbo engines you can disconnect the piping before the air filter to isolate the lower sections of the intake manifold so that it is not sucking air from the bottom.</p><p></p><p>If for some reason, the car stalls in water, NEVER try to restart! Just get it towed to the workshop, have them clean out the engine of water. If you are lucky, no permanent damage is sustained. It will cost RM50,000 or whatever if you try restart. </p><p></p><p>Hope this helps.</p><p></p><p>On claims on this kind of damage, water being sucked into the engine, for the e36, we wrote to BMW Germany and their response was "please refer to your local service center", eventually my friend had to pay for the repairs, valves bent and stuff like that. Back in 1996, it cost RM13,000 for the 318i, the car was a few months old. SO this is not new to BMW.</p></blockquote><p></p>
[QUOTE="willy5, post: 653507, member: 2319"] This has been a problem since the days of the e36 and many other models as well. It is water being sucked into the engine not coming in through the exhaust. The exhaust always maintains a positive pressure as long as the engine is running, there is no way flood waters can come in thru the exhaust. BMW tends to locate the intake very low in order to get cool air. In most models, lower than the headlights. If you attempt to cross water more than depths of 6 inches, you run a risk of sucking water into the engine. If you are forced to drive thru flood waters, make sure you are not following another vehicle, if the car in front stops, the waves closing the wake will flood your engine compartment. Also make sure there are no vehicles coming from the opposite side making waves that can flood you engine. Keep you engine revs as low as possible, 2nd gear or 3rd gear (you need try this out coz I think our 8 speed transmissions automatically select 1st gear when slow), and crawl very slowly. This is to keep the suction at the intake as low as possible. Do not rev your engine. I have not looked at the F30 yet, but in some of the non turbo engines you can disconnect the piping before the air filter to isolate the lower sections of the intake manifold so that it is not sucking air from the bottom. If for some reason, the car stalls in water, NEVER try to restart! Just get it towed to the workshop, have them clean out the engine of water. If you are lucky, no permanent damage is sustained. It will cost RM50,000 or whatever if you try restart. Hope this helps. On claims on this kind of damage, water being sucked into the engine, for the e36, we wrote to BMW Germany and their response was "please refer to your local service center", eventually my friend had to pay for the repairs, valves bent and stuff like that. Back in 1996, it cost RM13,000 for the 318i, the car was a few months old. SO this is not new to BMW. [/QUOTE]
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The BMW Range
3 Series
F30, F34
heavy rain going through huge puddle and splash water cause my bmw f30 320i down
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