Effects of missing lower engine shield?






Adding one of these "belly pans" to an older 5 series (which never came with one originally, but was offerred by BMW for the later model ///M cars) has a surprisingly significant effect on high speed stability.
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The shield was ultimately damaged and lost because I have a lowered car, and because it is lower, the shield tends to get beat up a lot (unintentionally). The last straw came when I ran over something that the shield obviously did not clear.
Some would say that lowering a car is in and of itself mistreatment of the car. I did it because I prefer to (despite the fact that it is a wagon). I went the extra step and installed the proper eccentric bolts and adjustable rear end links so that my alignment spec is good.
Anyway, I don't normally get annoyed by other people's comments, but I do practically all the work on my car and take offense at the accusation.

Take off belly pans?
Why would they suggest that,when every high performance car on the market is trying to streamline the underside of the car as much as the upper.
How do you think the E-class rated a Cd of .28 and achieves 27mpg?
Not just the ulev engine that's for sure.
Why does a jet lift its wheels right after take off?Drag
why do race cars and high performance car have almost sealed undersides?Drag
Those mechanics are a drag.
Let me put this way , if you were to trade in or sell your car today , a missing belly pan would be an indication of you not taking care of the car at all, 2nd knowing that you have lowered your vehicle you should be even more careful when parking. I wonder what your rims look like, are they all scuffed? j/k
I have a lowered W202 on H&R sports and 18 inch Monoblock rims and every piece of plastic is intact under the belly.
Your inquiry whether to just leave it alone gives the impression you dont care about what happens underneath for as long as your paint continues to shine.
Its a Mercedes buddy not a pick up truck!!!!!
just my 2 cents. its your car , you are entitled to do whatever you please.
The shield was ultimately damaged and lost because I have a lowered car, and because it is lower, the shield tends to get beat up a lot (unintentionally). The last straw came when I ran over something that the shield obviously did not clear.
Some would say that lowering a car is in and of itself mistreatment of the car. I did it because I prefer to (despite the fact that it is a wagon). I went the extra step and installed the proper eccentric bolts and adjustable rear end links so that my alignment spec is good.
Anyway, I don't normally get annoyed by other people's comments, but I do practically all the work on my car and take offense at the accusation.


Take off belly pans?
Why would they suggest that,when every high performance car on the market is trying to streamline the underside of the car as much as the upper.
How do you think the E-class rated a Cd of .28 and achieves 27mpg?
Not just the ulev engine that's for sure.
Why does a jet lift its wheels right after take off?Drag
why do race cars and high performance car have almost sealed undersides?Drag
Those mechanics are a drag.

i personally took the belly pan off for close to a year, and i couldn't tell any difference in driving, fuel consumption etc with now that i have it on. also don't forget a lot of cars don't have belly pans from factory.
and i highly doubt he is going to drive the car at race cars or jet speeds. we are talking about city (25-45mph) and highway (55-75mph) speeds.



Secondly, I have no plans of selling the car. Otherwise, I wouldn't have lowered it in the first place.
Of all your assumptions, you were right in assuming that I've considered leaving it alone. That's why I asked. To assume that I don't care as long as my car shines is innacurate, because if I didn't care, I wouldn't have asked in the first place.
Anyhoo, this is pointless. Trying to reason with someone who assumes things broadly is even more pointless. Back on topic, please.
then the proper/wise thing to do is replace the pans.



The reason why I originally posted is to ask if there is anything else at risk aside from the ones I already knew. Can you think of anything else aside from what I mentioned, Martz?
I agree, the prudent thing is to replace. I don't doubt the functional aspects of the shield being there. However, missing a bottom shield isn't the same as driving with an engine without oil, so I don't have to pony up money immediately (I'm always looking for deals). Please don't lecture me on the benefits of preventive maintenance because I live that every day.
Just think if the debris went directly and punctured your oil pan, or a main hose ( radiator, power steering, A/C etc) =Devastating!!
Plus it provides the obvious- better air flow and deters accumulation of dirt ....



So I went to the dealer this morning to pick up parts for my neglected car, and got a quote for the shield plus the left and right fender well pieces. Total price: $240. Hmmm... I think I can do better than that.
So I went to the dealer this morning to pick up parts for my neglected car, and got a quote for the shield plus the left and right fender well pieces. Total price: $240. Hmmm... I think I can do better than that.
There is also an original MB protective plate of steel , for the oil pan area.
I have them under my, E300 TD, C180,and S320



but most of the roads in america are not that bad to where it's needed to have a metallic pan.



