P1188, P1189, etc Codes Fixed Easily (1 Oil Separator Hose) (*Pics*) - Page 7 - E46Fanatics E46 BMW Social Directory E46 FAQ 3-Series Discussion Forums BMW Photo Gallery BMW 3-Series Technical Information E46 Fanatics - The Ultimate BMW Resource BMW Vendors General E46 Forum The Tire Rack's Tire Wheel Forum Forced Induction Forum The Off-Topic The E46 BMW Showroom For Sale, For Trade or Wanting to Buy

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DIY: Do It Yourself
Post here to share or improve your wrench turning skills! All BMW E46 DIY tips, tales, and projects discussed inside. Learn to work on your car and know the right BMW parts you will need!

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Old 05-13-2015, 12:14 PM   #121
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Best Post Ever! I had codes P1189, P1188, P170, P173. Found this tube cracked, replaced it, and they all went away. Thanks so much, just passed my smog!
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Old 06-27-2015, 07:14 PM   #122
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Was convinced I had this issue since I had the P1188 and P1189 codes. Took the car apart, and here is what I found. Lovely.

Codes are gone, idle fixed, and low end torque is back without any hesitation.

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Old 11-06-2015, 04:03 PM   #123
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URO Premium Window Regulators?

wrong post

Last edited by mickey513; 11-06-2015 at 04:06 PM.
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Old 11-26-2015, 10:35 AM   #124
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Great thread GSBMW!!! Had the 1188, 1189 codes on my 1999 328i...went for the treasure hunt and found the broken hose...totally broken in half!! $22 hose from the dealer and an hour later car was back with no CEL!!! THANK YOU!!
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Old 02-09-2016, 10:21 PM   #125
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Attached Pic #4: Realoem.com diagram of oil separator system.[/QUOTE]

there are two different parts for #4, 11157532629 and 11157532649 , after researching 11157532629 is titled Crankcase Breather Hose, while 11157532649 is titled as a Crankcase Vent Hose. Couldn't find the spec difference, but look very similar when part searching. Any idea which is was? Thanks

2000 323i

Last edited by vonlupus624; 02-09-2016 at 10:23 PM.
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Old 02-11-2016, 02:51 AM   #126
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Hi vonlupus624,

The difference between the two part numbers you mention is that one of them (11157532629) is specifically for engines that have the "cold climate version", which apparently consists of a number of alterations offered or added-on to engines of cars sold in relatively cold climates. For me, being in Southern California, I have the standard engine setup with no cold climate alterations, so my hose part number is 11157532649.

Since I think you are located on Long Island, you might indeed have the cold climate version. If you don't know which you have, you might be able to tell by seeing how thick the insulation is on your broken hose. If it is very thick, then you probably have the cold climate version. You can compare your part to the images found at realoem at this URL: http://www.realoem.com/bmw/enUS/show...diagId=11_2194
Just click on the little camera image next to the price of each part number and you will see that the cold climate part is a much thicker hose (or hose insulation).

Happy to hear the post helped you and continues to help others as well.

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Old 09-15-2016, 06:57 PM   #127
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Thank you for the detailed show and tell, it's much appreciated!
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ccv, oil separator, p0170, p0171, p0174, p1188, p1189

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