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      02-15-2020, 08:55 PM   #1
niceast
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Can you name this part

Can you name this part?

It's a hose the contains oil, located near the power steering rack. Mine has a minor minor leak...

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Last edited by niceast; 02-15-2020 at 10:33 PM..
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      02-15-2020, 09:04 PM   #2
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Take a look on realoem.com
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      02-15-2020, 09:05 PM   #3
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https://www.realoem.com/bmw/enUS/sho...diagId=32_1643

One of these power steering lines I believe
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      02-15-2020, 10:49 PM   #4
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It's a power steering line...
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      02-16-2020, 11:10 AM   #5
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A close look:

I would like to question the design intent of the hose.

if we took a look at where it starts and ends, [both end points are on the driver side], there seems-to-be/is no reason for the hose to loop across the bottom of the vehicle to the passenger side, only to reroute back to the drive side...

disappointed in the wastefulness of the design when this hose could have been design to be less than 1 foot long, also reducing its potential failure points, cost to replacement, and manufacture.
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Last edited by niceast; 02-16-2020 at 12:02 PM..
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      02-17-2020, 01:14 PM   #6
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Wonder if the fluid drops in temp appreciably over the length of hose.
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      02-17-2020, 01:35 PM   #7
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It's basically the shock absorber for the system.
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      02-17-2020, 01:50 PM   #8
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With all the shared parts between models, there is probably different hoses or splitters that go there for cars with active steering, etc.
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      02-20-2020, 01:18 AM   #9
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Take a look on realoem.com
This site is a treasure chest of information. Not as good as 1addicts.com though lol.
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      02-20-2020, 08:21 AM   #10
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Quote:
Originally Posted by Suprgnat View Post
It's basically the shock absorber for the system.
So is it there just for more refined (less road feedback) steering feel or there to calm down the fluid (pump output vs rack intake flow resistance) before it enters the steering rack to improve reliability/longevity of the system?
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      02-20-2020, 09:24 AM   #11
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Quote:
Originally Posted by spidertri View Post
So is it there just for more refined (less road feedback) steering feel or there to calm down the fluid (pump output vs rack intake flow resistance) before it enters the steering rack to improve reliability/longevity of the system?
Something, something, pump harmonics is the most I've gleaned.
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      07-08-2020, 09:44 PM   #12
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Sounds like an easy mod to engineer a "race/short" power steering line cause the hype boys can't have enough mods.

- make 50 expect to sell 1-2 a month.
- sell for $xx
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      07-08-2020, 11:40 PM   #13
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Quote:
Originally Posted by niceast View Post
Can you name this part?
Thad?
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      07-09-2020, 09:20 AM   #14
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Bimmerworld's listing for the hose claims that it is longer for more fluid capacity.

https://www.bimmerworld.com/Suspensi...416784330.html
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      07-09-2020, 12:56 PM   #15
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I mostly trust what the German engineers at BMW designed into these cars.

It wouldn't make sense to design a longer hose with more fittings that serves absolutely no purpose. It's more expensive for them to produce, more materials and machining, etc. They could easily produce a simpler hose that costs them less and still charge the same price for the car!
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      07-09-2020, 01:13 PM   #16
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Quote:
Originally Posted by c0bra View Post
I mostly trust what the German engineers at BMW designed into these cars.

It wouldn't make sense to design a longer hose with more fittings that serves absolutely no purpose. It's more expensive for them to produce, more materials and machining, etc. They could easily produce a simpler hose that costs them less and still charge the same price for the car!
What the German Engineers at BMW should focus on is making sure their gaskets/gasket applications work for more than 4 years, just my opinion though.
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      07-09-2020, 01:22 PM   #17
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Quote:
Originally Posted by dtla1 View Post
What the German Engineers at BMW should focus on is making sure their gaskets/gasket applications work for more than 4 years, just my opinion though.
Pfffft! At least they put the correct gasket on the block. Ask Focus RS owners about that one.

I wouldn't place the blame on the engineers. I've been surprised just how well my car is engineered. Blame the bean counters who demand cost reductions in every meeting.
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      07-09-2020, 01:31 PM   #18
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Quote:
Originally Posted by Thunderguts View Post
Pfffft! At least they put the correct gasket on the block. Ask Focus RS owners about that one.

I wouldn't place the blame on the engineers. I've been surprised just how well my car is engineered. Blame the bean counters who demand cost reductions in every meeting.
From what I hear, the Focus RS was an assembly line issue, still not engineering.

BMW engineers if knowing that they were being forced into using shitty gaskets, should have maybe thought of a better place to put the Oil Filter Housing then, away from being able to leak onto the belt.
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      07-17-2020, 04:51 AM   #19
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you all are right.
takes a lot of minds to get system right
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      07-17-2020, 05:23 AM   #20
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BMW loves to over engineer things. They often seem to make the simple complex. The oil filter location is good. The lack of a dipstick is a tragedy.
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      07-17-2020, 10:01 AM   #21
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Quote:
Originally Posted by c0bra View Post
I mostly trust what the German engineers at BMW designed into these cars.

It wouldn't make sense to design a longer hose with more fittings that serves absolutely no purpose. It's more expensive for them to produce, more materials and machining, etc. They could easily produce a simpler hose that costs them less and still charge the same price for the car!
Agreed. It's costing them more to do it this way, there must be a reason for it. Increased fluid capacity, cooling, steering feel, and/or modular compatibility with different steering rack configurations all seem like plausible explanations to me.

Quote:
Originally Posted by dtla1 View Post
What the German Engineers at BMW should focus on is making sure their gaskets/gasket applications work for more than 4 years, just my opinion though.
The gasket issue is pretty irritating, especially because many of them are such a PITA to access - but 4 years?!? I got twice that out of my OFHG (which is long after most people would have traded in their BMW). The VCG was changed at the same time, due to eccentric shaft sensor replacement (which was itself due to another gasket failure). Now at 10 years, I think my oil pain is starting to leak. I need to triple check that it's not actually the valve cover leaking on the firewall side (which would be my fault), but it makes sense for it to be the oil pan based on inspection so far, and is a common failure point on these cars at this age.

By comparison, I just changed the oil pan on my new-to-me 2003 Toyota MR2 Spyder, because the threads for the drain plug were stripped. The steel pan was secured to the aluminum block with a proprietary RTV, and they were damn-near fused together. A PITA to remove, but a super dry bottom end, even after almost 20 years. The OEM FIPG is similar to Permatex Black, but it's supposed to be better. It was not too difficult to use and so far the new pan has shown no sign of leaking. No reason to think it won't hold up another 20 or more years. The funny thing is, I wouldn't even mind a rubber gasket on that car, even if I had to change it every 4 years, because the oil pan is so easy to get to.

On the BMW, I have to drop the damn front subframe first. I'm tempted to use some RTV when I finally get to it (but I probably won't, because I'll want to do it the "right" way, even though that means I'll have to do it all again in another 10 years...).
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      07-17-2020, 12:27 PM   #22
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Quote:
Originally Posted by Bimmer-Bob View Post
Agreed. It's costing them more to do it this way, there must be a reason for it. Increased fluid capacity, cooling, steering feel, and/or modular compatibility with different steering rack configurations all seem like plausible explanations to me.



The gasket issue is pretty irritating, especially because many of them are such a PITA to access - but 4 years?!? I got twice that out of my OFHG (which is long after most people would have traded in their BMW). The VCG was changed at the same time, due to eccentric shaft sensor replacement (which was itself due to another gasket failure). Now at 10 years, I think my oil pain is starting to leak. I need to triple check that it's not actually the valve cover leaking on the firewall side (which would be my fault), but it makes sense for it to be the oil pan based on inspection so far, and is a common failure point on these cars at this age.

By comparison, I just changed the oil pan on my new-to-me 2003 Toyota MR2 Spyder, because the threads for the drain plug were stripped. The steel pan was secured to the aluminum block with a proprietary RTV, and they were damn-near fused together. A PITA to remove, but a super dry bottom end, even after almost 20 years. The OEM FIPG is similar to Permatex Black, but it's supposed to be better. It was not too difficult to use and so far the new pan has shown no sign of leaking. No reason to think it won't hold up another 20 or more years. The funny thing is, I wouldn't even mind a rubber gasket on that car, even if I had to change it every 4 years, because the oil pan is so easy to get to.

On the BMW, I have to drop the damn front subframe first. I'm tempted to use some RTV when I finally get to it (but I probably won't, because I'll want to do it the "right" way, even though that means I'll have to do it all again in another 10 years...).
I've had my 2011 for a little over 6 years, in that time, the VCG and Valve cover itself (because cracking plastic cover plus integrated PCV system that fails) once under CPO and again recently. Also had OFHG and Oil Pan Gasket done, as well as rear main seal. That's only the seal/gasket replacements I've had done (well plus the mechatronics sleeve seal replacement on my DCT when I first got it), not to mention the cracked expansion tanks, HPFP replacement, Wheel Speed sensors, you know, the regulars.

Still a fun car to daily drive though.
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