03-12-2024, 09:22 AM | #1 |
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OEM trailer hitch retrofit question - 2021 X3 M40i
***EDIT - Post with actual parts and pricing https://x3.xbimmers.com/forums/showp...1&postcount=10 ***
Good morning all! I'm hoping someone here has some insight in adding the OEM hitch to an X3 that has the Trailer prep option included. The physical install doesn't bother me, but the coding is where I don't know what I'm doing. I'd rather not pay $1700 in BMW labor (7 hours) when I can be the labor monkey. If I get all the factory pieces installed (listed below), can I just use the ISTA Trailer Retrofit modification to code the car correctly - or is there more involved? I can get all the parts for $1400, tax + shipping included. BMW Service Advisor: "The BMW parts estimate for tow package $1469.91. The estimated labor cost is $1680.00. (Total est.$3149.81 plus tax)" Also, "I've never had anyone ask if we can just do coding - let me ask the service foreman and get back to you" My own breakdown: G01 X3 Trailer Hitch Cross Member Kit Part # 71-60-6-887-642 $571.16 G01 X3 Trailer Hitch Wiring Harness Retrofit Kit Part # 71-60-2-458-028 $261.40 G01 X3, G05 X5, G07 X7 Trailer Hitch Control Module Part # 63-11-6-894-066 $142.88 Lower M40i Bumper Cover Part # 51-12-8-094-861 $188.90 Lower Bumper Reinforcement Part # 51-11-7-458-879 $76.68 Subtotal - $1,241.02 Handling - $3.95 Shipping - $69.95 Tax - $98.61 Total - $1,413.53 "Optional" lower cover pieces: #51759850509 #51759850510
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Wifey - 2021 X3 M40i Phytonic Blue - JB4, LCI lights Selling - 2014 X1 xDrive 35i - JB4, VRSF DP / Charge Pipe https://shorturl.at/cerxH About to sell 2016 550i M Sport - Arm DP, Arm Front-Facing Intake Sold - 2009 328i - Stock, 195,000 running strong. Last edited by mcdanielvzw; 03-22-2024 at 09:35 AM.. Reason: Updated the incorrect Control Module and pricing |
03-12-2024, 02:15 PM | #2 |
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I got the one on my 2019 X3 M40i installed at the dealership when I took delivery of the car. The added cost was $2100 including coding. Good god, at $200 per hour they're saying 7+ hours? Even I could do it in half that with someone to help hold the bumper when I was taking it off. And I'm slow. Coding could be done aftermarket I would think, but I don't know if you'd have to repeat it after every software update. If you want to code it yourself, seems like ISTA should handle it.
Last edited by lfdal54; 03-12-2024 at 02:20 PM.. |
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03-12-2024, 02:29 PM | #3 | |
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Quote:
I know someone has had codemybimmer do it, but if all I need is to let ISTA do it's thing... There is a whole procedure ISTA shows it runs through
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Wifey - 2021 X3 M40i Phytonic Blue - JB4, LCI lights Selling - 2014 X1 xDrive 35i - JB4, VRSF DP / Charge Pipe https://shorturl.at/cerxH About to sell 2016 550i M Sport - Arm DP, Arm Front-Facing Intake Sold - 2009 328i - Stock, 195,000 running strong. |
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03-12-2024, 04:34 PM | #4 |
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Yeah I paid Codemybimmer.ca $125 to do the coding for the trailer hitch retrofit and to do antidazzle/variable distribution lighting.
Took them like 15 minutes start to finish on my 2018. |
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03-13-2024, 01:07 PM | #6 |
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03-14-2024, 07:25 AM | #7 | |
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What was their process when you did it (hooking up, software, etc)?
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Wifey - 2021 X3 M40i Phytonic Blue - JB4, LCI lights Selling - 2014 X1 xDrive 35i - JB4, VRSF DP / Charge Pipe https://shorturl.at/cerxH About to sell 2016 550i M Sport - Arm DP, Arm Front-Facing Intake Sold - 2009 328i - Stock, 195,000 running strong. |
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03-14-2024, 07:44 AM | #8 | |
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63116894066 control unit I used Yes, they full activated the control unit and I have all the OEM towing functions. The process required you to have an E-net cable. They send you some remote coding application that you install on a laptop and connect to the car while in accessory mode. They give you a phone call to talk through the process. Here's the E-Net Cable I bought. https://www.amazon.com/gp/product/B0...?ie=UTF8&psc=1 |
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03-14-2024, 04:55 PM | #9 | |
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2021 X3 M40i Sonnenstein metallic - JB4, LCI lights, 50th anniv badges
Wifey - 2021 X3 M40i Phytonic Blue - JB4, LCI lights Selling - 2014 X1 xDrive 35i - JB4, VRSF DP / Charge Pipe https://shorturl.at/cerxH About to sell 2016 550i M Sport - Arm DP, Arm Front-Facing Intake Sold - 2009 328i - Stock, 195,000 running strong. |
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03-22-2024, 09:31 AM | #10 |
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I ended up ordering everything from the local BMW dealer, they price matched parts so it was close enough to the online price I found (and now I can go to them if something is up with my parts).
I included the optional (TINY AND EXPENSIVE) fabric covers, but I may return those depending on if I can reuse the stock fabric cover without modification - plus I want to reuse and recode my kick to open, which utilizes that piece based on another post I saw. Price breakdown, minus price matching(discounted at end). G01 X3 Trailer Hitch Cross Member Kit Part # 71-60-6-887-642 $624.21 G01 X3 Trailer Hitch Wiring Harness Retrofit Kit Part # 71-60-2-458-028 $283.36 G01 X3, G05 X5, G07 X7 Trailer Hitch Control Module Part # 63-11-A05-6D0 (not 63-11-6-894-066, per BMW Parts Dept) $194.90 Lower M40i Bumper Cover Part # 51-12-8-094-861 $264.79 Lower Bumper Reinforcement Part # 51-11-7-458-879 $93.70 Lower Fabric Cover Part # 51-11-9-850-509 $37.73 Lower Fabric Cover Part # 51-11-9-850-510 $37.73 Subtotal with tax - $1,651.66 Discount - $149.66 Total - $1,502
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Wifey - 2021 X3 M40i Phytonic Blue - JB4, LCI lights Selling - 2014 X1 xDrive 35i - JB4, VRSF DP / Charge Pipe https://shorturl.at/cerxH About to sell 2016 550i M Sport - Arm DP, Arm Front-Facing Intake Sold - 2009 328i - Stock, 195,000 running strong. |
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03-25-2024, 10:42 AM | #11 |
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Well I got everything installed! I'll post more pictures this week - the install was actually really easy, it took from about 1:00 PM - 4:45 PM this past Saturday to do the install (part of that was taking pictures and delay from rain). Coding hasn't happened yet, I'm going to get an ICOM cable and do the retrofit coding with ISTA.
I started with taking off the lower part of the bumper trim, but you do indeed have to take off the entire bumper to make life easier. I followed this post to keep my kick to open - https://x3.xbimmers.com/forums/showp...9&postcount=21 - which will need to be coded back in once I code the hitch module in the first place. I double-side taped the connector module to the back of the new reinforcement panel. This looks a little ghetto fabulous with some spare laminate, but it was a proof of concept that I can always clean up later.
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2021 X3 M40i Sonnenstein metallic - JB4, LCI lights, 50th anniv badges
Wifey - 2021 X3 M40i Phytonic Blue - JB4, LCI lights Selling - 2014 X1 xDrive 35i - JB4, VRSF DP / Charge Pipe https://shorturl.at/cerxH About to sell 2016 550i M Sport - Arm DP, Arm Front-Facing Intake Sold - 2009 328i - Stock, 195,000 running strong. |
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05-10-2024, 01:52 PM | #12 |
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NON 8SL Option??
Nice INSTALL! Looks great! I am getting ready to do the same on my 2022 model. But, unfortunately, I don't have the 8SL optional wiring installed from factory. So, I will probably just wire it up directly with no coding. I was going to use the stealth hitch, but I would rather it looked stock honestly. So I think I'm going this rough instead. MY QUESTION: If I am not going to code the car for the stock trailer wiring options, do you think I can use the 71-60-2-458-028 harness WITHOUT the module and wire it in directly??? there is no stock wiring plug in my rear passenger side compartment. And, I'm not going to go through the trouble of trying to add a new fuse panel etc like I've heard some do. Any help is appreciated! Thanks! |
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05-10-2024, 02:58 PM | #13 | |
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Quote:
Aftermarket, you just wouldn't have the benefits of all the towing mode options coded into the car, which is more than just a better camera view for hooking up a hitch. It is supposed to disable sensors and set the transmission for tow mode also.
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Wifey - 2021 X3 M40i Phytonic Blue - JB4, LCI lights Selling - 2014 X1 xDrive 35i - JB4, VRSF DP / Charge Pipe https://shorturl.at/cerxH About to sell 2016 550i M Sport - Arm DP, Arm Front-Facing Intake Sold - 2009 328i - Stock, 195,000 running strong. |
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05-15-2024, 09:02 AM | #15 |
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I believe it has to be Esys, but I'm going with the ISTA retrofit and hoping that does everything since I have all the stuff I need.
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2021 X3 M40i Sonnenstein metallic - JB4, LCI lights, 50th anniv badges
Wifey - 2021 X3 M40i Phytonic Blue - JB4, LCI lights Selling - 2014 X1 xDrive 35i - JB4, VRSF DP / Charge Pipe https://shorturl.at/cerxH About to sell 2016 550i M Sport - Arm DP, Arm Front-Facing Intake Sold - 2009 328i - Stock, 195,000 running strong. |
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