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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!

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Old 07-23-2006, 04:12 PM   #1
jrcook320
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Aftermarket Cruise Control

Hi guys, I'm new here and am wondering if anyone can help me out. I'm planning on installing cruise on my wife's 323i since she drives on the highway all the time. Oem cruise isn't going to be practical since the parts alone will cost around $1k, so aftermarket it is. I am wondering if anyone has done this since I can't find any info on it online.

Even if no one has done it, I think I'll be able to get a universal kit to work as long as I can get a speed signal somewere, so where is the speed sensor pickup, I assume on the differential cover?

Also, does anyone have the e46 bentley manual in pdf form? I have it for the E36 but can't find it for the E46.
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Old 07-23-2006, 05:13 PM   #2
Commander FAT
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Yeah. You can find the Bentley on amazon.com. Just buy the damn book. It's great.

I've never heard of universal cruise control kits. Got any links?
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Old 07-23-2006, 05:27 PM   #3
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What $1000?

Get triangle or square multifunctional steering wheel with airbag + three wires and retrofit it. I doubt it's gonna be more then $300.

Last edited by Asterisk*; 07-23-2006 at 05:36 PM.
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Old 07-23-2006, 06:10 PM   #4
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Yea just find a square or triangluar airbag w/buttons (Whichever steering wheel your wifes car is equipped with) and do your own wiring. The harness consists of only 3 wires and it will add the radio station/volume buttons as well. Wouldn't be anymore than like $300 like Asterik said.

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Old 07-23-2006, 06:25 PM   #5
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Heck if you want I should be taking my square steering wheel and airbag off next week (Got an M3 wheel/airbag). Ill sell you my wheel with the radio/cruise control buttons on it for 250 with the airbag shipped.
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Old 07-23-2006, 06:33 PM   #6
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We Had A Toyota Matrix That Was Fitted With A Aftermarket Cruise Control....brand New 06 Car Now Has Nothing But Problems After The Cruise Control Was Installed....i Wouldnt Attempt Such A Task On A Car....espeicialy If Not On My Car...wouldnt Want Someone Getting Hurt Or Even Worse Killed Cuase Of Me.
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Old 07-23-2006, 07:32 PM   #7
piercej
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I have a wheel w/airbag and controls on ebay here: http://cgi.ebay.com/ebaymotors/ws/eB...RK%3AMESE%3AIT
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Old 07-23-2006, 08:47 PM   #8
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Quote:
Originally Posted by piercej
I have a wheel w/airbag and controls on ebay here: http://cgi.ebay.com/ebaymotors/ws/eB...RK%3AMESE%3AIT

will just having the cruise control button on the steering wheel give you cruise control on the car??? I imagine somehting else is needed
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Old 07-23-2006, 09:18 PM   #9
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Quote:
Originally Posted by sna77
will just having the cruise control button on the steering wheel give you cruise control on the car??? I imagine somehting else is needed
The 323 is drive by cable, aka you will need a servo to pull on a throttle cable for you. Its probably less of a nightmare than drive by wire would be, but adding the steering wheel is only 10% of the work.
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Old 07-24-2006, 01:07 AM   #10
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Quote:
Originally Posted by Tyler@UniqueDesign
The 323 is drive by cable, aka you will need a servo to pull on a throttle cable for you. Its probably less of a nightmare than drive by wire would be, but adding the steering wheel is only 10% of the work.
Which is exactly what my problem is. If only I had drive by wire I'd just get the wheel and be done with it.

$250 for the wheel seems like a great price, but then I'd need all the hardware as well. So far, I haven't even been able to find the cruise servo part number (I've checked realoem.com) and I have no idea if the car is prewired for it. If I could find the parts used and knew I could just bolt on and plug in the factory parts, I would definately go with the OEM cruise.

Can anyone with a '99-'00 post pics of the cruise servo? I'll at least be able to look and see if I'm prewired if I know where it should be mounted.

Quote:
Originally Posted by Commander FAT
I've never heard of universal cruise control kits. Got any links?
If I go aftermarket I'll probably go with Rostra, I like the clean looking control knob on the right The only problem is, so far no company I've looked at has install instructions for the E46. Everything should be straight forward as long as I can locate a vehicle speed signal wire.

Cruise Control Info

By the way, I called the dealer a few months back about the retrofit "kit", and they told me it's NLA.
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Old 07-24-2006, 01:40 AM   #11
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How come I can find the part numbers for the E46 318i but not the 323i??

realoem
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Old 07-24-2006, 06:37 AM   #12
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Quote:
Originally Posted by jrcook320
How come I can find the part numbers for the E46 318i but not the 323i??

realoem

because you need to look in the "Europe" section to find all the retrofits. It seems like 95% of the retrofit kits are not released to the US. That being said, you can go to any parts department, and order them. Use your CCA and get 15% off at most dealers, then have an indy shop install it. The dealer should be able to prnt of the instructions for you..

http://www.realoem.com/bmw/showparts...37&hg=66&fg=95
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Old 07-24-2006, 12:32 PM   #13
jrcook320
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Quote:
Originally Posted by sna77
because you need to look in the "Europe" section to find all the retrofits. It seems like 95% of the retrofit kits are not released to the US. That being said, you can go to any parts department, and order them. Use your CCA and get 15% off at most dealers, then have an indy shop install it. The dealer should be able to prnt of the instructions for you..

http://www.realoem.com/bmw/showparts...37&hg=66&fg=95
That's the same thing available on the US model. It's not showing the actual cruise control hardware, just the multi wheel.
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Old 07-24-2006, 01:10 PM   #14
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I tried doing a search for you and could not find the parts.

Even my Bentley only shows the Steering wheel with the buttons and the switch that connects to the clutch pedal to disengage the cruise when its on.
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Old 07-24-2006, 05:13 PM   #15
jrcook320
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So can I just buy the wheel? That's too easy on a drive by cable car, unless there is a serve mounted directly to the throttle body(which I find hard to believe).
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Old 07-24-2006, 05:21 PM   #16
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Quote:
Originally Posted by jrcook320
How come I can find the part numbers for the E46 318i but not the 323i??

realoem
Because 318i has 1.8l engine and cruise control is a mechanical part with cable and all. 323i has 2.5l engine and cruise control is governed by ECU with buttons on steering wheel. Therefore you can not retrofit MFSW onto 318i and don't need to retrofit cruise control onto 323i (only MFSW). MFSW - multi functional steering wheel.
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Old 07-24-2006, 06:38 PM   #17
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No one seems to want to listen to what I have to say anyways.

Here is the retrofit pdf file hosted by yours truly:

http://www.jdmotorwerkes.com/BMW%20R...DFS/3543en.pdf

All the harness is, is 3 wires:

2 - of the wires connect from this 10 pin connector on the back of the slip ring. They tap into 2 different wires at the LCM's harness if I remember correctly. (These are for Radio/volume and lighting of the button controls)

1 - wire connect from the same 10 pin connector at the back of the slip ring to the ECU box in the engine bay to I beleive it what a 54 pin connector, one of the pins is vacant and that is the cruise control pinout.

The slip ring 10 pin connector are pins 8, 9, and 10 I just can't recall off hand which are which for the wires I listed above. I've done this retrofit so if you have any questions just let me know.

Jared
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Old 07-24-2006, 07:55 PM   #18
jrcook320
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Quote:
Originally Posted by Ivegotissues666
No one seems to want to listen to what I have to say anyways.

Here is the retrofit pdf file hosted by yours truly:

http://www.jdmotorwerkes.com/BMW%20R...DFS/3543en.pdf

All the harness is, is 3 wires:

2 - of the wires connect from this 10 pin connector on the back of the slip ring. They tap into 2 different wires at the LCM's harness if I remember correctly. (These are for Radio/volume and lighting of the button controls)

1 - wire connect from the same 10 pin connector at the back of the slip ring to the ECU box in the engine bay to I beleive it what a 54 pin connector, one of the pins is vacant and that is the cruise control pinout.

The slip ring 10 pin connector are pins 8, 9, and 10 I just can't recall off hand which are which for the wires I listed above. I've done this retrofit so if you have any questions just let me know.

Jared
I'm listening!! so, you have a 2000 323i, that didn't have factory cruise and is NOT drive by wire (correct?) and all you did is the MFSW and you have working cruise??? If so, that would explain why I can't find any part numbers for a servo, but I wonder, what is holding the throttle open when the cruise is engaged? I searched the archives and saw your post, but I assumed that you already had the MFSW (and cruise) but just swapped it out for the heated version. If you tell me this works, I'll buy the wheel on ebay right now.

I have the retrofit .pdf, but the hangup that has been keeping me from getting the MFSW is not knowing if cruise will work afterward.

Last edited by jrcook320; 07-24-2006 at 08:03 PM.
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Old 07-24-2006, 08:13 PM   #19
jrcook320
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I have a few more questions. The slip ring doesn't need to be replaced to install the MFSW, all I need is to make a wiring harness? But if I wanted to upgrade to the OBC fuction turn signal stalk, then I would need to upgrade the slip ring for that to work?
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Old 07-24-2006, 08:20 PM   #20
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Quote:
Originally Posted by jrcook320
I'm listening!! so, you have a 2000 323i, that didn't have factory cruise and is NOT drive by wire (correct?) and all you did is the MFSW and you have working cruise??? If so, that would explain why I can't find any part numbers for a servo, but I wonder, what is holding the throttle open when the cruise is engaged? I searched the archives and saw your post, but I assumed that you already had the MFSW (and cruise) but just swapped it out for the heated version. If you tell me this works, I'll buy the wheel on ebay right now.

I have the retrofit .pdf, but the hangup that has been keeping me from getting the MFSW is not knowing if cruise will work afterward.
Correct! My build date was 03/2000 and drive by wire wasn't introduced until 2001

Yeah I should have done a write up on it, actually naybe I will while my car is still temporarily out of commission.

It's actually really simple and was the first retrofit/mod I did.

Jared
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