Megasquirt m52?

[318isbmw]

Just curious if people are runnin megasquirt on their m52 and if it was an easy to do setup witht he wiring to the e30 chassis as well as how did you run the knock sensors because I'm thinking about if I'd be able to run w/o them easily.

[BrandC]

It's a better idea to run with your knock-sensors wired up. Factors engineers smarter > you.

[318isbmw]

It's a better idea to run with your knock-sensors wired up. Factors engineers smarter > you.

their there for the reason of if the car has a knock in the motor from the timing or detonation it changes the map to compensate. With Megasquirt i haven't found any info that you can run the knock sensors with it, so I know it'd be smarter to use one, but how is more what I'm looking for.

[BrandC]

Megasquirt Fuel 'n' Spark should have the option to use knock sensors. If it can control ignition timing it should have other inputs such as Intake Air Temperature, Throttle Position, and Coolant Temp sensing. Knock sensing should be another option that can be added to the interface.

At least to my knowledge, MS works just as well as expensive aftermarket stand-alone engine managements. Check out megasquirt.info and find the forums of people who have successfully wires it up to M/S series motors.

You can also try E30tech. Most guys here on R3V are running some type of factory engine management on their swaps.

[318isbmw]

Megasquirt Fuel 'n' Spark should have the option to use knock sensors. If it can control ignition timing it should have other inputs such as Intake Air Temperature, Throttle Position, and Coolant Temp sensing. Knock sensing should be another option that can be added to the interface.

At least to my knowledge, MS works just as well as expensive aftermarket stand-alone engine managements. Check out megasquirt.info and find the forums of people who have successfully wires it up to M/S series motors.

You can also try E30tech. Most guys here on R3V are running some type of factory engine management on their swaps.

Thankyou for that info, I'm aware that people are using it on those cars, but on megasquirt.info they don't have any options for knock sensors, I've searched, as well as in the MS wiring harness they don't have any wires built in to the harness for it. I know it works just as well, that's why I'm wanting to use it. e30tech from being on there I've seen they aren't running many m52's and the m20 doesn't need a sensor so they are different.

[PiercedE30]

https://www.msextra.com

Also, talk to Jon K on there or on bf.c (UrineMachine).

[318isbmw]

www.msextra.com
Also, talk to Jon K on there or on bf.c (UrineMachine).

Jon aint answerin, I've pm'd him and talked on the forum w/ him but he wont say much unless I'm buyin it from him. Also I can't find the knock sensor stuff on msextra, I've found all the other stuff I was wonderin about, but no knock sensor references in there.

[matt]

OBDI conversion >>> megasquirt

At least to my knowledge, MS works just as well as expensive aftermarket stand-alone engine managements.

Wrong.

[static]

good ole Jon for you

proper knock sensing isn't easy to do. Knock sensors are basically microphones and sensing involves ECU recognizing a knock pattern from all kinds of noises that engine makes. This pattern is unique for each engine, it will change if you modify engine substantially. Knowing this knock pattern is a luxury BMW can have as it involves inducing detonation to record this pattern, then testing this system, etc.
Knock sensing is disabled past 4krpm because there are just too many noises to make anything useful outta them.
Many people run even turbo systems with no knock sensing with great results. Knock sensing is basically a safety net for times like if the owner uses improper octane gas, or there is too much carbon in chamber that it raises compression and results in detonation.
If you have a good tune and are not brainless with your car, chances are you'd be fine with no knock sensing.

ion sensing and ppp estimation is a much better idea anyway

[static]

OBDI conversion >>> megasquirt

different rubs for different dudes. Some people actually enjoy tinkering with stuff and being able to know what's going on inside the EMS

[matt]

different rubs for different dudes. Some people actually enjoy tinkering with stuff and being able to know what's going on inside the EMS

All very possible with the 413.

All the info on basic tuning of the 413 has been posted on BFC. Literally spelled out for anyone who wants to try it.

[02stu]

When I put my m52 block in I just used an obd 1 head and electronics, this way there is no conversion. Is there a reason why people don't do this? Do early heads not flow as well?

[matt]

When I put my m52 block in I just used an obd 1 head and electronics, this way there is no conversion. Is there a reason why people don't do this? Do early heads not flow as well?

They are the same for the most part.

[318isbmw]

I'd liek to do megasquirt, and I'm entertaining the idea of running no knock sensors since the m20's and such are able to run fine w/o them w/ a bit more perfecting the tuning type of deal. I'm thinking I'm gonna just build it as plain as possible.

[matt]

It's your funeral.