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|5-Series (E12,E28, E34, E39, E60) Chat relating to the BMW 5-Series of all generations. Specific models include: BMW 518, BMW 520, BMW 520i, BMW 530i, BMW 528i, BMW 530i, BMW 518i, BMW 524d, BMW 525i, BMW 525e, BMW 528e, BMW 540i, BMW 535i, BMW 520d, BMW 525td, BMW 525d, BMW 530d, BMW 525i/xi, BMW 530i/xi. (BMW 5-Series Forum)|
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| Originally posted by billB@Sep 10 2004, 01:15 AM |
1. Yesterday I went to a nearby Honda dealer JUST to see the design of the Air Intake on the Civic. That is the plastic piece/opening that runs before the Air filter box (remember I said the Civic went through the water I did not make). So I was curious to see the difference between both cars-- In terms of routing the piece and/or the direction/location of the tip of the air intake.
I noticed in the Civic they had a straight plastic pipe (looks similar to tree leaves blower extended to the left of the Air filter box BUT IT WAS HIGH UPWARD on the top/left side of the engine.
The 528I Air intake (the plastic part that is after the Air filter away from the throttle body) is directed slightly DOWNWARD BUT LOW very close to the bumper right in front of the left tire.
To me (and if I am wrong PLEASE currect me) such design is very ALARMING at best for many reasons; among those:
A. Why this big and clumsey box of the Air filter sits and waste that precious and roomy space on the 528??
B. Why extend the intake beyond the box in a slightly DOWNWARD position??
C. Why locating the mouth piece of the Air intake in such a low spot (relative to the 528 ground clearance) to do so BMW is welcoming (NOT SO DEEP) water into the intake and hence the engine!!!
==>>The engine likes cold air, and lots of it. The more cold air you get into your engine, you get a horsepower gain. Theres a lot more cold air down low to the ground as compared to up high.
My own conclusions? well here where I need your thoughts/help:
A. Having the BULKY Air filter BOX removed/cancelled all together and replacing it with either a smaller box or even a straight pipe fitted with a good air filter; pointing it slightly to an upward position will definitely gives it a higher intake when it comes to a higher water level.
==>This is true, but you'll be getting warm air, and not as much of it, and thus lose horsepower.
B. This one is pure speculations (I need your comments/thoughts on this point) replacing that boxy filter with a straight fltered pipe may well increase or at least reduce the restrictions on the air flow to the intake and hence may boost more power. Again I am speculating here WHEN YOU THINK ALONG THOSE LINES YOU ARE ALWAYS FACING THE PROBLEM OF SHIELDING THE FILTER FROM THE HEAT OF THE ENGINE BUT My main point is to elevate the opening a bit higher with an acceptable design. ANY ACCEPTABLE DESIGN--ARMY HUMMERS STICK IT UP IN THE AIR AND SO THE BIG TRUCK.
C. My mechanic is talking about some type of chemical seized engine/or anti-seized engine type of a deal he poured the stuff into the engine; going to keep it in for 48 hours; then try to turn the seized engine manually. I got nothing to loose and I will know by this Saturday if it works. ANY COMMENTS ON THIS?
==>If it works, you may get away with your car running fine. Aside from the electrical problems you will face.
All comments are welcomed but please take it easy on me..I lost my car!!
I am NOT advocating a mod of a BMW boat. Just raising the mouth piece of the intake a bit higher may/can save the engine in those situations without affecting the quantity/quality of the air that gets sucked into the manifold. Honda for sure does it and probably other cars too.
==>However, the design of that intake will smoke a honda
When I desgined my cold air intake ( Took 3 inch aluminum tubing, and rerouted my airbox down behind the foglight, I noticed a SIGNIFIGANT boost in power.
| Originally posted by billB@Sep 11 2004, 02:54 PM |
Jersey City NJ. please read the above post just in case you want to prevent it. I have my own thoughts about the 528I intake location. Yes the 528i never meant to be a boat but for God's sake they could have elevated the plastic tip of the intake a bit higher than the left side of the bumper.
In winter I take off the 17" low profiles and use the stock 15" michelin to give a better chance (traction wise).
and yes when I went through the water it was up to the hub cabs when she died on me then (see the above post for the 528 location of the intake pre the air filter section) in about 10 minutes water flooded the car all the way to the tip of the back ashtrays/seats. I will trade as soon as i fix it. Walt I have to move on with my life but I loved my car sooo much..had it since 1997 fully covered but 3 months ago swicthed to liability when she got old...well it did last me till last Tuesday. Let me shut up for now and No more complains.
you guys out there on this forum are JUST GREAT thanks walt
P.S. Just thinking loud with you IS THERE ANY MODIFICATION OUT THERE FOR the 528i INTAKE, AIR FILTER???? I LOOKED ALL OVER ...NONE. LET ME KNOW IF YOU CROSS IT.
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