What should i do with the m44

[tylerjacobsen85]

Ok, heres the deal. Im swaping a m44 out of a 1998 and putting it in a 1996.


The 1998 motor has the EMISSION CONTROL-AIR PUMP and traction control.
The 1996 motor did not have these.

Should I keep the air pump and traction control? Or should i ditch them? I have the parts to do either.

The car is going to be a DD for my GF

[cooljess76]

The ecu is going to be looking for the secondary air pump and post cat o2 sensor, if you don't install them it'll probably throw a code and/or not run properly. You can however replace it with a simulator. I pulled my M44 for an s52 swap a couple years ago. I could kick myself for getting rid of it. Wish I would of kept it for a 2002 project or something.

[tylerjacobsen85]

I have the wiring and the ecu for the 1996 motor that didnt run TC and the air pump. So if i swap all that it shouldn't throw codes. So i could do either.

I guess what i really want to know is the traction control worth a dam or is it junk? And if the air pump will cause me problems in the long run, is it reliable or junk?

Thanks

[1996 328ti]

I don't have the secondary air pump but I did have the CEL written out of the code.
Do you have any type of state inspection in your area?
Normally a CEL will cause you to fail.

[tylerjacobsen85]

Originally Posted by 1996 328ti

I don't have the secondary air pump but I did have the CEL written out of the code.
Do you have any type of state inspection in your area?
Normally a CEL will cause you to fail.

They just kick the tires in WV, no emitions

[matt4068]

for the sake of the swap i would simplify, if it didnt have it before it doesnt need it now.

ditch the airpump and the traction control. i turn my traction control off as soon as i get in my car and start it.

no reason to complicate the swap any further. not worthwhile gain vs work needed to adapt it to the dd.

your correct, will not have c.e.l. since 96 ecu didnt know(never) it had it in the first place.

[tylerjacobsen85]

Is there any other sensors for the TC on the body of the car that would have to be changed?

[matt4068]

it would have to be tied into the wheel speed sensors somehow.

I do not know the specifics there, if there is a module that would need to be fitted over or a electric/hydraulic unit in the brake system that is used to communicate with the speed sensors.

but it definately has to communicate with wheel speed somehow......

[Bluebimma]

96 chassis
98 engine
No pump
No traction control throttle body
Swap Harness to 98 engine
Run 96 DME
Done

The car isnt going to look for traction control nor will it throw a CEL, as the "!" will be illuminated if it had traction control and had been unplugged. It wotn throw an ABS light because they werent tied together like that in 96.

[Junk]

maybe use the traction control if it has a 4 channel ABS and you don't have a LSD? Might help with traction in the rain or snow? Otherwise ditch all that junk.. I have heard of people running ASC-T without the ASC throttle body, but leaving the braking intact.. that is if the '98 ti has the 4 channel ABS and you would need the ABS module too..

[vsonix]

if it's a DD for your GF might be better leaving the traction control in. I'm not dissing her driving ability, but it's nice to have an option to increase safety. TC can be a big help in the wet, imagine you're driving home after a long day's work, it's dark, raining, loads of tiredness... TC could be a lifesaver. Most people switch it off when they want to play but leave it on the rest of the time, I get the impression only die-hard petrol heads would prefer it off.

[matt4068]

Originally Posted by vsonix

if it's a DD for your GF might be better leaving the traction control in.

there is no leaving it in. The vehicle that is getting the motor is the 96. the donor vehicle is the 98. the 98 has TC the 96 does not. so he either retrofits everything necessary to make the 96 have TC or the 96 stays like it was before without TC.

[vsonix]

Originally Posted by matt4068

there is no leaving it in. The vehicle that is getting the motor is the 96. the donor vehicle is the 98. the 98 has TC the 96 does not. so he either retrofits everything necessary to make the 96 have TC or the 96 stays like it was before without TC.

aah, gotcha

[cooljess76]

I'm kinda in the same boat. I'm deleting the ASC from my '97 318ti w/ '98 M3 S52 swap. Currently running a 98 M3 ABS pump, no ASC throttle valve. I have a '95 M3 ABS controller which doesn't have ASC and I'm hoping it will work with the '98 M3 ABS pump. The ultimate goal is to keep ABS and delete ASC. If this doesn't work, I'm probably gonna have to get a '95 M3 ABS pump.

[tylerjacobsen85]

Im going with no TC and no air pump