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!

Reply
 
Thread Tools Search this Thread Rate Thread Display Modes
Old 12-29-2016, 08:49 PM   #1
Tonym6
Registered User
 
Join Date: Dec 2016
Location: Texas
Posts: 4
My Ride: 325ci convertible
SES light/jerky transmission/slow acceleration ??? Help!

Hello, I'm having a few problems with my 04 325ci.

The first problem is my fuel gauge is inaccurate to a certain degree, when I put gas in my car it takes maybe 3-4 start ups for the fuel gauge to catch up to itself and read the proper fuel level, once it does, it reads accurately and goes down normally while driving.

The second problem is quite a quirky one and only happens while driving at 78ish mph. I've discovered that if I'm in the process of accelerating, let's say from 50-78. The throttle, transmission, and ride are all normal whilst accelerating until I hit 78 mph, but once I hit 78ish mph, and stay at that speed for more than a second or two, the car begins to jerk, almost feels like the transmission is slipping or the car is running out of gas, and then the SES light comes on. however, if I let off the throttle and slow down to 77, or speed up to 80, the jerking stops and the ride is smooth again. Also, staying at 78 mph while the car is jerking is a 100% sure fire way for me to trigger the SES light, however it also comes on randomly sometimes while normally driving. The codes it's reading are p0461, p2237, and p2240.


The third problem is probably the least important, but the most frustrating. I know the 325ci convertible isn't a particularly fast car, however, Mine seems to be lacking a LOT of torque and power in the <2000 rpm range, if I floor it, almost nothing happens, until it gets past 2000 or so RPM's then it picks up. What could cause this?

Here's some additional information

I very recently replaced the fuel pump, fuel filter, air filter, and spark plugs so I don't believe any of these to be contributing factors. The car has 130,000 miles and I just recently acquired it. I regularly use the cheapest gas (87 octane I believe) but after reading around a little bit I'm starting to realize this is frowned upon so I'll be using premium gas from now on, not sure if that was contributing to any of my existing problems. Any advice or help is greatly appreciated! Please and thank you!

Last edited by Tonym6; 12-29-2016 at 09:05 PM.
Tonym6 is offline   Reply With Quote
Ads by Google

Guests, get your FREE E46Fanatics.com membership to remove this ad.
Old 12-29-2016, 09:27 PM   #2
jfoj
OEM ///Member
 
Join Date: Nov 2009
Location: Fairfax, VA USA
Posts: 20,860
My Ride: 330CiC, M5, X5
You need to use the Hidden OBC Menu to see what fuel level sender may be the problem. These cars have 2 fuel level senders. See the link below in my signature.

You may also need to pull the fuel pump and make sure the level rod s snapped into the plastic level arm. This is a semi common problem.

Then you need to check the DISA, you WILL NEED to purchase a replacement O-ring, see www.germanautosolutions.com

The DME also probably needs a flash update as well, see this - forum.e46fanatics.com/showthread.php?t=966614
__________________
Solve your misfires, lean codes, rough idle - http://forum.e46fanatics.com/showthread.php?t=897616

Fuel pump failures - http://forum.e46fanatics.com/showthread.php?t=929501

Temp Info - http://forum.e46fanatics.com/showthread.php?t=964491

Hidden OBC Menu - Check Voltage, Temp, Fuel Level - http://forum.e46fanatics.com/showthread.php?t=239619

E46/E39 GM5 Door Lock Info - www.bmwgm5.com

Lower hose temp switch O-ring - BMW #13621743299

Last edited by jfoj; 12-29-2016 at 09:28 PM.
jfoj is online now   Reply With Quote
Old 12-29-2016, 09:44 PM   #3
Tonym6
Registered User
 
Join Date: Dec 2016
Location: Texas
Posts: 4
My Ride: 325ci convertible
Quote:
Originally Posted by jfoj View Post
You need to use the Hidden OBC Menu to see what fuel level sender may be the problem. These cars have 2 fuel level senders. See the link below in my signature.

You may also need to pull the fuel pump and make sure the level rod s snapped into the plastic level arm. This is a semi common problem.

Then you need to check the DISA, you WILL NEED to purchase a replacement O-ring, see www.germanautosolutions.com

The DME also probably needs a flash update as well, see this - forum.e46fanatics.com/showthread.php?t=966614


Thanks for the quick reply jfoj, I'll go ahead and get to work on your suggestions.


Sent from my iPhone using E46Fanatics mobile app
Tonym6 is offline   Reply With Quote
Reply

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 02:03 PM.


Powered by vBulletin® Version 3.8.7
Copyright ©2000 - 2017, vBulletin Solutions, Inc.
(c) 1999 - 2016 performanceIX Inc - privacy policy - terms of use