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Lighting Forum
Angel Eyes, DDEs, lighted rings, Clear Turn Signals, LEDs, Xenon, HID, or Bi-Xenon. If it lights up and you want to discuss it, post here!

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Old 06-29-2005, 11:00 PM   #1
ADA
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xenon Automatic headlight vertical aim control RETROFIT

DISCLAIMER:

This DIY retrofit is intended as a guide to assistance those who had retrofitted their car with OEM Xenon and would like to enable the auto-level feature. The information in this retrofit might not be 100% accurate since part numbers and/or precedures varies from year to year and model to model. I have a JUNE 2000 323i. The instruction on this thread is ONLY for my car. Don't follow my retrofit blindly. Use this DIY only as a guide. Lastly, I am not held responsible for any damages caused by your attempt to retrofit your car. Read and follow this retrofit at your own risk.

BACKGROUND:

I am attempting to retrofit my car with the xenon auto-level. Orginally, my car came with halogen. I replaced my halogen headlights with the xenon because I wanted maximum driving visibility. I went to the dealer and flashed my LCM/LKM to accomodate my xenon headlights.

Lately I am tired of the tideous process of adjusting and aiming my headlight manual. The auto-level feature is appealing because it allows my car to automatic adjust my headlight beam under my current driving condition for maximum visibility.

ISSUES:

I am very optimistic and confident about the retrofit. The only issues that I am forecasting are incompatibility with my current LCM for the auto-level feature and whether or not I have to drill and tap the holes for my autolevel sensors and brackets.

Based on my research, I believed (75% confident) that my current LCM will work since I already flashed it to handle the xenon feature. Additionally, I think the mounting holes are pre-drilled. Let's wait and see and I will give you an update on the situation once I find out.

USEFUL INFORMATION:

WIRING HARNESS:

Since my car did not come with xenon orginally, I have to either make or buy my own wiring harness for the retrofit. There are two wiring harness that are required for this retrofit to be successful.

Wiring Harness A: Wiring Harness A connects your Front and Rear auto-level sensors to the LCM and allow the sensors and LCM to communicate with each other. This allows your car to predict the height/load under current driving conditions. Wiring Harness A mainly route tunderneath the undercariage of your car.

Wiring Harness B: Wiring Harness B connects your left and right headlight's actuator/auto-level motors to the LCM and allows the LCM and motor to commncate with each other. This allows your car to correct the headlight vertical beam under current driving condition. Wiring Harness B mainly route through the engine comparment.

AUTO-LEVEL MOTOR:

All OEM e46 Xenon have the actuator/auto-level motor built in. Auto-level feature is mandatory in Europe and is standard eqiuped in the US.


LCM/LKM PIN LAYOUT (auto-level sensors)

PIN 19: Ground signal for FRONT auto-level sensor
PIN 22: Singal for FRONT auto-level sensor
PIN 23: 5+ volt for FONT auto-level sensor

PIN 14: Signal for REAR auto-level sensor
PIN 26: 5+ volt for REAR auto-level sensor
PIN 46: Ground signal for REAR auto-level sensor

LCM/LKM PIN LAYOUT (actuator/auto-level motor)

PIN 39 Q22 LEFT headlight actuator/motor
PIN 40 Q11 LEFT headlight actuator/motor
PIN 41 Q12 LEFT headlight actuator/motor
PIN 42 Q21 LEFT headlight actuator/motor

PIN 51 Q22 RIGHT headlight actuator/motor
PIN 52 Q11 RIGHT headlight actuator/motor
PIN 53 Q12 RIGHT headlight actuator/motor
PIN 54 Q21 RIGHT headlight actuator/motor
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Old 06-29-2005, 11:02 PM   #2
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Part 2

COMPONENTS/PART DIAGRAM:

Here is a diagram of all the parts needed for the retrofit (excluding wirning harnesses). I bought these parts from CIRCLEBMW for around $160 shipped.


1. (QTY One @ $64.80)-FRONT LEVEL SENSOR-(PN 37-14-1-093-699)

2. (QTY One @ $2.65)-RIGHT RIDE HEIGHT SENSOR BRACKET (PN 31-12-1-094-088)

3. (QTY Four @ $0.30)-FILLISTER-HEAD SCREW-(PN 07-11-9-900-908)

4. (QTY Two @ $0.12)- M6 SELF-LOCKING HEX NUT-(PN 07-12-9-900-191)

5. (QTY One @ $13.30)-FRONT ANGLE JOINT-(PN 37-14-6-766-778)

6. (QTY One @ $0.25)-M8 SELF-LOCKING HEX NUT (PN 07-12-9-964-675)

7. (QTY One $64.80)-REAR LEVEL SENSOR (PN 37-14-1-093-700)

8. (QTY One @ $7.45)-RIGHT RIDE HEIGHT SENSOR BRACKET (PN 37-14-1-094-996)

9. (QTY Two @ $0.20)-HEX BOLT WITH WASHER (PN 07-11-9-900-272)

10. (QTY One @ $3.80)-REGULATING ROD (PN 37-14-6-752-797)

11. (QTY Four @ $0.12)-SELF-LOCKING HEX NUT (PN 07-11-9-900-560)

12. (QTY One @ $3.00)-RIGHT RIDE HEIGHT SENSORBRACKET (PN 37-14-1-094-982)

13. (QTY One @ $0.25)-HEX BOLT (PN 07-11-9-913-015)

14. (QTY One @ $3.15)-EXTENSION (PN 37-14-1-094-984)

Last edited by ADA; 06-29-2005 at 11:11 PM.
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Old 06-29-2005, 11:16 PM   #3
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Here are the pictures of the parts in numerical orders from 1-5.

The first picture is of the front and rear sensor. They physically look identical. However, they have both have different part numbers. Each sensor have 3 eletrical connectors.
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Old 06-29-2005, 11:18 PM   #4
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More pictures. part 6,8,9,10,11 (refer to diagram for reference)
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Old 06-29-2005, 11:22 PM   #5
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More pictures. part 12-14 (refer to diagram for reference)[/QUOTE]
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Old 06-29-2005, 11:27 PM   #6
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Additional pictures of part not listed on the diagram.

The first picture is the connector/plug for the sensor

The second picture is the connector for the WIRING HARNESS B. This is the connector/plug for your headlight
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Old 06-29-2005, 11:29 PM   #7
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This is it for tonight. Stay tune for future updates


P.S I need to organized my pictures. How do I post comments/remarks under each picture? As you can see, the pictures are posted on top of each other and I can only write comments on top. Please help

Last edited by ADA; 06-29-2005 at 11:31 PM.
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Old 06-30-2005, 12:41 AM   #8
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Thanks ADA... Great work!
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Old 06-30-2005, 11:26 AM   #9
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cant wait for the whole to thing to try it out
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Old 06-30-2005, 08:54 PM   #10
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UPDATE:

I got started a little early because I just found out today that I need to attend a funeral in Dallas tomorrow.

I jacked up my car to inspected the right front wheel area and CONFIRMED that the holes for the sensors/brackets are pre-drilled. I am elated because this mean that I do not waste time to drill and tap the holes =)

Lastly, don't mean to be dramatic but lately I have been unhappy with the e46fanatics's community. Recently I posted a thread requesting members to help me find the pin layount for the auto-level motor for the LCM/LKM. The thread was viewed many times but received not a single replied. My question isn't hard because the information can readily be found on the TIS/ETK and Bentley Service Manual. I was asking for assistance because my main working computer is currently broken. Therefore, I had no access to my Bentley Service Manual (CD) and my ETK/TIS software. I realized that e46fanatics have more leechers that contributers.

Additionally, last night I also asked a simple question on how to post comments under each picture so that I can make this DIY/RETROFIT nice, pretty, and easy to read. No one bothered to help me.

As a result, I am not going to post any more step to step pictures to the DIY/Retrofit. I am going out of my way to help others but when I ask for simple assistance I get blown off.

I have posted numerous DIYs and contributed daily (excluding my one year exodus in Iraq) since I became a member. I have given free bmw parts away on this forum. I have also done numerous FREE installation (Angel Eyes, Xenon Retrofit, etc) for various members on this board. However, people are just too lazy to help each other on e46fanatics nowadays.

Anyhow, I have to go to bed early. I have a funeral to attend in Dallas tomorrow.


In summary. The holes are pre-drilled. Just install the sensors and bracket. Follow the BMW auto-level retrofit guide and you should be good to go. Follow my LCM/LKM pin layout for the sensors and auto-level motor for wiring instructions and everything should work.

Charlie 6 out!
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Old 06-30-2005, 09:48 PM   #11
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Good Start, ADA. Can't wait for you to complete this write up. Let's keep them coming.

Didn't see your request. I'll check it out for you tomorrow, I've left my service manual at work.
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Old 06-30-2005, 10:17 PM   #12
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ADA, do you mean like this??
1. (QTY One @ $64.80)-FRONT LEVEL SENSOR-(PN 37-14-1-093-699)


2. (QTY One @ $2.65)-RIGHT RIDE HEIGHT SENSOR BRACKET (PN 31-12-1-094-088)


3. (QTY Four @ $0.30)-FILLISTER-HEAD SCREW-(PN 07-11-9-900-908)


4. (QTY Two @ $0.12)- M6 SELF-LOCKING HEX NUT-(PN 07-12-9-900-191)
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Old 06-30-2005, 10:17 PM   #13
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5. (QTY One @ $13.30)-FRONT ANGLE JOINT-(PN 37-14-6-766-778)


6. (QTY One @ $0.25)-M8 SELF-LOCKING HEX NUT (PN 07-12-9-964-675)


7. (QTY One $64.80)-REAR LEVEL SENSOR (PN 37-14-1-093-700)


8. (QTY One @ $7.45)-RIGHT RIDE HEIGHT SENSOR BRACKET (PN 37-14-1-094-996)
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Old 06-30-2005, 10:18 PM   #14
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9. (QTY Two @ $0.20)-HEX BOLT WITH WASHER (PN 07-11-9-900-272)


10. (QTY One @ $3.80)-REGULATING ROD (PN 37-14-6-752-797)


11. (QTY Four @ $0.12)-SELF-LOCKING HEX NUT (PN 07-11-9-900-560)


12. (QTY One @ $3.00)-RIGHT RIDE HEIGHT SENSORBRACKET (PN 37-14-1-094-982)

13. (QTY One @ $0.25)-HEX BOLT (PN 07-11-9-913-015)

14. (QTY One @ $3.15)-EXTENSION (PN 37-14-1-094-984)
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Old 07-01-2005, 05:48 AM   #15
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Ada,
didn;t I email you the install manual some time ago? (amongst some others)
There's an exact description of parts needed, install instruction incl pin layout in there. Including drawings.
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Old 07-02-2005, 09:17 PM   #16
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UPDATE 2:

Install the rear sensor. Once again, all mounting holes were pre-drilled by BMW from the factory. Just install the sensors, bracket, nuts, and bolts with a 10mm socket and you are good to go. PLUG n PLAY.

Front sensor installation took: about 15 minutes
Rear sensor installation took: about 15 minutes.

Tips on installing front sensor: N/A everything is straight forward. Just follow the BMW guide.

Tips on installation rear sensor: Assemble everything first then mount them on the bottom of the car. It is too difficult to install the parts individually step by step when you are under neath the car. The tires, suspension, etc will get in the way.

OBSERVATION:

I did not have to remove my wheels as instructed by BMW and various members on this forum. Installing the front and rear sensor is very easy. 15 minutes a piece.

When working underneath your car, wear safety googles because there are tons of dirt that will fall on your eyes.
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Old 07-02-2005, 09:19 PM   #17
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Make sure youu buy TWO # 9 (HEX BOLT WITH WASHER (PN 07119900272)).

I accidently orderd only one. this is why you only see one hex bolt securing my bracket to my car's frame.
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Old 07-02-2005, 09:24 PM   #18
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Installing wirning harness A is also very simple.


You can buy WIRING HARNESS from the following URL for about $75. The company is based in Germany so it will take 2-3 weeks for dilvery. TOMMY_HF from e46fanatics told me about the company. The wiring harness they are selling is OEM Quality. Everything from the length of the wire, contact brushing, electrical wires and to electrical frabic tape is OEM quality,

http://www.kfz-kabelbaum.de/assets/...z-kabelbaum.de/
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Old 07-02-2005, 09:30 PM   #19
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the "wiring harness A" travel along the RIGHT SIDE of your car. It runs underneath your door sills in your car.

To connect the rear sensor to the wiring harness there is a small opening near your rear passenger seat/wheel well area (circle red)

Just run the wire through there and you will gain access to the undeneath portion of your car.
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Old 07-02-2005, 09:32 PM   #20
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To connect wiring harness A to the front sensor, you need to run the wire from the glove box compartment through the FIRE WALL in your engine/DSC compartment.
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