I do know for a fact the alternator plug to the voltage regulator is different. You can buy the voltage regulator separate and it fits. I have a brand new ms 43 regulator that I would be willing to sell you.
This is huge for Hobbits turbo kit he tested on E46F. Hopefully this develops, because I was hoping to go MS43/turbo in a few years
Modification ThreadOriginal Car: Silver Grey on Grey, A/T (1 of 186)
As it sits: Silver Grey on Black, M/T (1 of 51)European Auto Source TechInstagram: @CarbonZHP
Wouldn't you also need to change the O2 sensors from the wideband LSU 4.2 based sensors in our cars to the narrowband sensors that the MS43 cars have?
2003 BMW 330i ZHP
ESS Twin Screw Stage 2 - Wavetrac - Headers - Borla - BMW Performance
Turner Motorsports - Powerflex - Hawk Performance
Build thread: http://www.zhpmafia.com/forums/showt...yan-s-2003-ZHP
Wheelwell: 2003 BMW 3 Series
Fuelly: 2003 BMW 330i
Update:
I am actively looking for an E53 X5 as a new DD. After three great years of DD use, the ZHP is going to be set aside for fun, finally. It's long overdue for some cosmetic love, as well as some odds & ends, here and there. By implementing a new DD, I'll be able to address all of those items, as well as dive deep into this project.
Stay tuned.
So I am still curious what is the difference between the 2? What is the advantage of the MS43?
A quick google search revealed the following for pin outs and work others have done: http://forum.e46fanatics.com/showthread.php?t=929951
Everything above in the thread. The 45 has not been unlocked and is not tunable. The 43 is
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Modification ThreadOriginal Car: Silver Grey on Grey, A/T (1 of 186)
As it sits: Silver Grey on Black, M/T (1 of 51)European Auto Source TechInstagram: @CarbonZHP
I have been looking at forced induction and it looks like Nick G was able to tune the MS45: http://www.techniquetuning.com/e46zhpman.html
"Technique Tuning MS45 ECU Software Programming (no piggyback to install!)"
Are we talking about the same thing here?
There's just much less going on with ms45. Everything is all laid out for us with 43
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Modification ThreadOriginal Car: Silver Grey on Grey, A/T (1 of 186)
As it sits: Silver Grey on Black, M/T (1 of 51)European Auto Source TechInstagram: @CarbonZHP
I hope I am not coming off as being difficult or challenging, I'm really just curious and want to understand.
I was on e46F and found a thread with a link to this site which appears to offer software to reprogram the ms45.
http://bmweditor.com/Home/Product
I don't know anything about what it can or can't do I'm just curious if this makes the 45 any easier?