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

Welcome to the E46Fanatics forums. E46Fanatics is the premiere website for BMW 3 series owners around the world with interactive forums, a geographical enthusiast directory, photo galleries, and technical information for BMW enthusiasts.

You are currently viewing our boards as a guest which gives you limited access to view most discussions and access our other features. By joining our free community you will have access to post topics, communicate privately with other members (PM), respond to polls, upload content and access many other special features. Registration is fast, simple and absolutely free so please, join our community today!

If you have any problems with the registration process or your account login, please contact contact us.

Go Back   E46Fanatics > E46 BMW > General E46 Forum

General E46 Forum
This is the place to get answers, opinions and everything you need related to your E46 (sedan, coupe, convertible and wagon) BMW!

Thread Tools Search this Thread Rate Thread Display Modes
Old 07-04-2016, 07:55 PM   #1
Registered User
Join Date: Jul 2016
Location: Brampton
Posts: 1
My Ride: 1999 323i e46
What's this hose called? (help...)

Hey all,

New to the forum here. I recently took ownership of my brother's hand-me-down, a 1999 BMW 323i (E46). While I was changing out the expansion tank, I noticed a pretty significant hole in a hose which is adjacent to the belt running between the alternator and power steering pump. The hose sits beneath the alternator and the lower hose running from the expansion tank. It was disconnected from whatever it connects to at the bottom, and was hanging and rubbing against the belt; thus the hole.

I reconnected the hose to its intended spot just in front of the front left wheel, started the car up after changing out the tank and filling the cooling system, and the car began choking and stalling as if it wasn't getting air. Not to mention, the following codes it threw out at me: 0300, 0301, 0302, 0303, 0300P, 1189, and 0170. I checked all 3 spark plugs, boots, and connectors and they were fine. Not to mention, just having changed out all the plugs and boots a little over a month ago.

Anyone know what belt this is (part #/name), and how easy it is to change out?
Attached Thumbnails
Click image for larger version

Name:	Hose1.jpg
Views:	55
Size:	78.4 KB
ID:	636040   Click image for larger version

Name:	Hose2.jpg
Views:	54
Size:	137.4 KB
ID:	636041   Click image for larger version

Name:	Hose3.jpg
Views:	53
Size:	160.5 KB
ID:	636042   Click image for larger version

Name:	Hose4.jpg
Views:	52
Size:	146.3 KB
ID:	636043  

e46TO is offline   Reply With Quote
Ads by Google

Guests, get your FREE E46Fanatics.com membership to remove this ad.
Old 07-04-2016, 07:59 PM   #2
Registered User
Join Date: Jul 2014
Location: VA
Posts: 135
My Ride: 2006 330Ci Convertib
It looks like your power steering is leaking on the hoses below it. Check this site www.realoem.com and enter your year and model of car. you will see the exploded view of all the parts.
allikanbe is offline   Reply With Quote
Old 07-05-2016, 07:32 AM   #3
Registered User
Join Date: Jul 2008
Location: USA
Posts: 4,396
My Ride: 2001 330Ci
That hose routes cool air to the alternator. It's been damaged because the engine mounts are worn, allowing the engine to move. I recommend you change the engine mounts and replace the cooling duct.
markusmarkus is offline   Reply With Quote

air, alternator, expansion tank, hose, lower

Thread Tools Search this Thread
Search this Thread:

Advanced Search
Display Modes Rate This Thread
Rate This Thread:

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is On
Censor is ON

All times are GMT -5. The time now is 09:46 PM.

Powered by vBulletin® Version 3.8.7
Copyright ©2000 - 2016, vBulletin Solutions, Inc.
(c) 1999 - 2016 performanceIX Inc - privacy policy - terms of use