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2010 2011 BMW 5 Series Forum F10 F10 Technical Topics DIY Guides & Discussions F10 550i electromechanical power steering help
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      01-12-2019, 09:16 PM   #1
335socal
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F10 550i electromechanical power steering help

Having issue with my steering. Every time drive and turn the wheel to left or right I hear a grabbing sound on the passenger side. It sounds like the brake pads is grabbing. I already changed wheel hub bearing assembly, brake pads and rotors and steering fluid (11s) noise still there!

Last edited by 335socal; 01-14-2019 at 01:55 AM..
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      01-12-2019, 09:37 PM   #2
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Originally Posted by 335socal View Post
Anyone got a good diy for doing power steering flush? Couldnt find any. Greatly appreciate it! Thanks!
Why are you doing this ?
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      01-12-2019, 10:12 PM   #3
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Why are you doing this ?
I am hearing a whiring sound when turning left and right at slow speed.
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      01-12-2019, 10:16 PM   #4
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Why are you doing this ?
Always a good idea to flush fluids on a regular basis.
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      01-12-2019, 10:32 PM   #5
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Always a good idea to flush fluids on a regular basis.
Please do! Always! Make it part of your oil change every 3k miles. Dont be like me.
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      01-12-2019, 11:46 PM   #6
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Why are you doing this ?
Always a good idea to flush fluids on a regular basis.
What fluids exactly ? I'm at 110k+ I have yet to flush anything besides oil change of course haha
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      01-12-2019, 11:49 PM   #7
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Quote:
Originally Posted by jonobro View Post
What fluids exactly ? I'm at 110k+ I have yet to flush anything besides oil change of course haha
CHF 11s
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      01-12-2019, 11:57 PM   #8
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Quote:
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What fluids exactly ? I'm at 110k+ I have yet to flush anything besides oil change of course haha
CHF 11s
No I'm asking what things does he recommend to flush often
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      01-13-2019, 10:43 AM   #9
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Nobody done PS flush?
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      01-13-2019, 03:20 PM   #10
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No I'm asking what things does he recommend to flush often
I didn't saw often, I said regularly. I would follow BMW on the brake fluid. I would flush the trans and change the diff every 75Kish miles. I would do the coolant every 2 years. I would do the P/S fluid every 2 years also, if I had mechanical P/S.
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      01-13-2019, 03:21 PM   #11
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Nobody done PS flush?
Only the X-Drive (maybe the "D"?) has mechanical P/S. The RWDers have electric P/S.
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      01-13-2019, 05:46 PM   #12
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Originally Posted by ezaircon4jc View Post
Only the X-Drive (maybe the "D"?) has mechanical P/S. The RWDers have electric P/S.
That kinda makes sense. Hmmm. So its my EPS thats messed up? Already changed wheel bearing assmbly, rotors, brake pads.
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      01-13-2019, 05:59 PM   #13
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Quote:
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That kinda makes sense. Hmmm. So its my EPS thats messed up? Already changed wheel bearing assmbly, rotors, brake pads.
Any concern other than the noise? I have read about bad racks...
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      01-13-2019, 09:06 PM   #14
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Quote:
Originally Posted by ezaircon4jc View Post
Any concern other than the noise? I have read about bad racks...
https://youtu.be/3TPWyW1iYmk

When I reset my EPS via ISTA+ the sound went away and came back after reboot. Then when I am turning left and right while moving with little throttle the sound is more pronounce. Like the brake pads is grabbing.
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      01-13-2019, 10:12 PM   #15
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my theory is that my EPS is about to get fkd. EPS is more to the right of the car and that's where I hear most of the noise coming form. specially when turning.
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      01-14-2019, 09:55 PM   #16
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got tired of diagnosing the issue. Brough it to one of the shops near me that is certified DINAN distributor/installer.
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      01-15-2019, 05:51 PM   #17
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UPDATE! UPDATE! UPDATE! The shop mechanic says that it is my ARS... Hmmm. It make sense and after searching ARS it shows that it is an issue to some as well. Hope extended warranty will be able to cover it.
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      04-09-2019, 08:20 AM   #18
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Quote:
Originally Posted by 335socal View Post
UPDATE! UPDATE! UPDATE! The shop mechanic says that it is my ARS... Hmmm. It make sense and after searching ARS it shows that it is an issue to some as well. Hope extended warranty will be able to cover it.
What exactly did the do to fix the issue?
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      04-09-2019, 02:11 PM   #19
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What exactly did the do to fix the issue?
There is a TSB for the ARS need to have a bushing. Then the valve block got replaced as well. The EPS started to make noise and will be replacing it. Already ordered the parts.
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      04-10-2019, 12:35 AM   #20
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Quote:
Originally Posted by 335socal View Post
Having issue with my steering. Every time drive and turn the wheel to left or right I hear a grabbing sound on the passenger side. It sounds like the brake pads is grabbing. I already changed wheel hub bearing assembly, brake pads and rotors and steering fluid (11s) noise still there!
How hard was it to change the wheel hub assembly?
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      04-10-2019, 12:11 PM   #21
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Quote:
Originally Posted by 335socal View Post
Quote:
Originally Posted by Encendido3 View Post
What exactly did the do to fix the issue?
There is a TSB for the ARS need to have a bushing. Then the valve block got replaced as well. The EPS started to make noise and will be replacing it. Already ordered the parts.
If you don't mind me asking, where did you get the part? And did you order the EPS motor only?
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      04-10-2019, 04:11 PM   #22
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Originally Posted by Encendido3 View Post
If you don't mind me asking, where did you get the part? And did you order the EPS motor only?
I had the dealership do the TSB due to the extended warranty wont payout to replace the valve block if TSB is not complete. less than $200 to install the bushing. The EPS does not come separate. I had to order the whole system which is lessl than $3k after the core has been returned. Installation should be pretty straight forward coz it is electric and not hydraulic.
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