» Site Navigation | | » Recent Threads | | 1999 M3 Swap 09-07-2023 10:10 PM 05-02-2024 08:18 PM 6 Replies, 405,294 Views | | | | | 10-24-2013, 05:07 PM | #1 | Member Join Date: Dec 2010 Location: OBX NC Posts: 40 | S52 in a 1999 Cruise Control I recently purchased a 1999tI with a '98 S52/5speed swapped in. The car was originally a m44/auto. I'd really like to get my cruise control working. I have no idea what I'm looking for or at. I've always been an old car guy so CC is way out of my league along with most electrical stuff. I don't know if I have a CC module retained from the swap or what to look for. Could somebody point me to the things I need to be looking for or hooking up? I've looked at realOEM but black line drawings don't really convey what parts I'm supposed to be looking for. | | | 10-29-2013, 05:06 PM | #2 | Senior Member Join Date: Jan 2006 Location: Cincinnati Posts: 890 | I can confirm that this IS possible. I've personally done the exact same and had working cruise when I was done. There are many things that need to be done correctly during the swap for this to work. Can we start with an engine bay shot? Let's see if the actuator is there and hooked up first. Wait..... maybe this is my car? __________________ SOLD!!! 1999 332ti //M Sport Titanium Silver M3 S52 3.2 I-6 Engine, M3 Clutch w/ ti Getrag Trans, Z3 3.15 LSD medium case diff and half shafts, OEM Hatch Spoiler, Eurosport HP Underdrive Pulleys, FDM, 17" DS1 rims, M3 Front Struts & Springs, M3 Instrument Cluster, 3-spoke //M steering wheel with tri-color stitching, SSK, CCFL Angels in Depo projectors with 5k HIDs | | | 10-29-2013, 06:52 PM | #3 | Member Join Date: Dec 2010 Location: OBX NC Posts: 40 | Not your car, but that would be funny. She's an Avusblau base model from the Atlanta area. I've found a few diagrams and followed the throttle cables and found the module. It is hooked up to the TB as well as into the electrical system of the car. I guess my next step is to test the electrical connections on everything. Sigh... electronics... I was really hoping to find a "plug it in and fixed" solution but that's way too easy. | | | 10-29-2013, 09:46 PM | #4 | Senior Member Join Date: Jan 2006 Location: Cincinnati Posts: 890 | Hey cool, just would have hated to debug my own build.. Ok so next question as swaps vary in their details, do you have to depress the clutch to engage the starter, or will it crank without the clutch pedal on the floor? Might have a neutral switch issue. __________________ SOLD!!! 1999 332ti //M Sport Titanium Silver M3 S52 3.2 I-6 Engine, M3 Clutch w/ ti Getrag Trans, Z3 3.15 LSD medium case diff and half shafts, OEM Hatch Spoiler, Eurosport HP Underdrive Pulleys, FDM, 17" DS1 rims, M3 Front Struts & Springs, M3 Instrument Cluster, 3-spoke //M steering wheel with tri-color stitching, SSK, CCFL Angels in Depo projectors with 5k HIDs | | | 10-30-2013, 12:12 AM | #5 | Member Join Date: Dec 2010 Location: OBX NC Posts: 40 | There is a neutral switch in the car, but as the car was originally an automatic it isn't hooked into anything. That would make sense as to where the problem may arise from though. | | | 10-30-2013, 02:38 PM | #6 | Senior Member Join Date: Jan 2006 Location: Cincinnati Posts: 890 | That is 100% the issue. RULE: The Neutral Safety Switch (NSS) must be grounded to start the vehicle, but OPEN for the cruise to engage. In an Auto, the NSS is grounded in PARK and NEUTRAL. In a Manual, the NSS is grounded when the clutch pedal is all the way down via the clutch switch. (That way, you have to press the clutch to start the car AND pressing the clutch in disengages the cruise.) If the NSS is rewired from the console to the proper clutch switch, all will work as if it was a manual from the factory. __________________ SOLD!!! 1999 332ti //M Sport Titanium Silver M3 S52 3.2 I-6 Engine, M3 Clutch w/ ti Getrag Trans, Z3 3.15 LSD medium case diff and half shafts, OEM Hatch Spoiler, Eurosport HP Underdrive Pulleys, FDM, 17" DS1 rims, M3 Front Struts & Springs, M3 Instrument Cluster, 3-spoke //M steering wheel with tri-color stitching, SSK, CCFL Angels in Depo projectors with 5k HIDs | | | 10-30-2013, 06:24 PM | #7 | Member Join Date: Dec 2010 Location: OBX NC Posts: 40 | I'm assuming that when the PO did the swap they made the car think that it's always in neutral. That makes good sense and doesn't sound like too terrible of a problem from the outside. However, I really don't look forward to digging through all those wires and such. Should just be like two wires to splice into the little switch on the clutch right? | | | 10-30-2013, 09:34 PM | #8 | Senior Member Join Date: Jan 2006 Location: Cincinnati Posts: 890 | Just two wires for the switch yes. Honestly I started out the same way, but my goal was to get everything working as it would be stock and after studying the wiring diagrams for hours, that's how it works. The two wires are probably still in the console there by the shifter. I'd look for two that were cut from the range selector (PRND slider) and were spliced together (car thinks its always in park or neutral). They should be easy to locate. (Miss my //M3TI..... ) __________________ SOLD!!! 1999 332ti //M Sport Titanium Silver M3 S52 3.2 I-6 Engine, M3 Clutch w/ ti Getrag Trans, Z3 3.15 LSD medium case diff and half shafts, OEM Hatch Spoiler, Eurosport HP Underdrive Pulleys, FDM, 17" DS1 rims, M3 Front Struts & Springs, M3 Instrument Cluster, 3-spoke //M steering wheel with tri-color stitching, SSK, CCFL Angels in Depo projectors with 5k HIDs Last edited by campaiar; 10-30-2013 at 09:39 PM. | | | | Currently Active Users Viewing This Thread: 1 (0 members and 1 guests) | | Posting Rules | You may not post new threads You may not post replies You may not post attachments You may not edit your posts HTML code is Off | | | |