Quote:
Originally Posted by trader4
I never said anyone needs to accept my experience as universally
applicable. Do I need to add that as a disclaimer now to every post?
The video claims DISA is there for performance at the low and high end.
Bentley says it's to improve mid-range performance. All I can tell
you is that I couldn't see any *noticeable* difference in performance
with the DISA operational or not. I've seen others here post the same
thing. Your mileage claim is a new one and IDK what you're basing
that on. I did not see any difference in mileage. And I don't see
the harm in others hearing that. IMO, the DISA is like an appendix,
a wee little refinement that gives some minimal benefit that typical
drivers will never see. They will however see all the repair bills
associated with the added complexity. Others here have reported
exactly the same thing, why don't you start correcting them?
The 10hp fan is indeed pretty funny. It takes a whopping big fan moving
a whole lot of air to consume 10hp. It's the power of a lawn tractor.
If you want to believe that little mechanical X5 fan is using all that
power, be my guest. It would for sure make BMW pretty stupid.
I mean they are doing anything and everything, desperate to get
even a tiny boost in MPG for decades, yet they used a mechanical
fan that sucks up 10hp, about 20% of what the vehicle uses on
the highway. Go figure.
Removing the fan, you do it your way, I'll do it mine. You think a
water pump is fragile and it's going to be easily damaged. Can you
point us to one person here who damaged the WP removing the fan?
Lots of people are just using the 1 1/4" wrench and hammer, where
are all the failures? Others can judge for themselves. And I've said
many times, your car, your dollars, your choice.
Electric fan didn't blow up, just the controller, not much difference
IMO. It didn't last a year, my mechanical fan is original. And it's
news to me that the stock cooling system in the BMW is inadequate.
Maybe you should take that up with and explain it to BMW. They
are supposed to build the ultimate driving machine, yet they
produced millions of vehicles with inadequate engine cooling so
that you need to remove the stock fan?
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I've been giving you some slack since english is obviously your second language.
To your posts, yes, you should add a disclaimer--- Please note that my comments should not be taken seriously.
I can't see lost performance said the closed mind blind man.
It doesn't matter what source for verification we use. Don't use what I referenced. Use the Bentley manual stating there is lost performance which you claim is not the case. You are not agreeing with your own source of reference and have no awareness that is the case.
You don't know why I mentioned reduced mileage but then you say if an electric fan freed up any horsepower BMW would be using them to increase mileage. Doesn't seem you understand yourself. Have you noticed in many newer vehicles including BMWs the mechanical fan has been eliminated?
Never said, even implied, the cooling system is inadequate. I said in my application the electric puller fan has benefits I deem important.
Your opinion the controller is the same as a fan failure is ludicrous. The controller I am using could be an ongoing failure but there are many other controllers out there or I can eliminate the controller as the thermostat. The overall electric fan benefits are exceeding my expectations. The controller failure is a small bump in the road.
I'm not going to address your attic fan or a lawn tractor blade bs. If readers know the earth isn't flat they know that means nothing more than you know attic fans and lawn tractors exist.
I agree that there are those that hit the wrench with a hammer--have at it. My point is there is no logic to take the risk of damaging the water pump. I stand corrected the Bentley manual, states to put an inch and a quarter wrench on the nut and whack the hell out of it with a big hammer. I also spoke with several of the current ebay sources that sell the tool for $10-20. You are again correct, they keep offering it even though they've collectively only sold 7 in last 10+ years they have been making them.