S54

[FredK]

Glad to hear of all the progress you've made!

That's a great target price for a PnP setup, with a nice weathertight harness. Getting this stuff up and running remotely probably slowed things down, but you've made a lot of progress from the initial brainstorming to getting a first prototype done.

[DaveSmed]

Alex is going to make me buy yet another car to stick an S54 into this time. Just what I need. :p

Those DTA SEMs are CANBus capable correct?

[Ray Smoodiver]

Will re-read the thread more thoroughly soon, but why not dry sump it?

[M3 euro ltw]

Can bus and dry sump

Yes, they are capable of supporting installations with can bus.

TBH I don't know a lot about that feature at this point. I've been very focused on putting together a kit that will be as close to universally useful, very safe, and meets both BMW's and DTA's needs for safe running.

The differences in harness design, plugs, wire pathways etc are fascinating.

In terms of dry sumping there are a lot of opinions out there as to when this is beneficial vs when its overkill.

On E30 transplants, using the E34 oilpan is a proven safe way to avoid starvation in even the most extreme conditions. (Mike Akard's car is an excellent example). On E36 cars, the dual pickup system is adequate for most competitive scenarios where a car is run for short duration. A cost effective way to ensure constant oilpressure would be an accusump.

For endurance racing, extra oil capacity is very helpful. Dry sumping these engines can make a huge improvement in oil vapor management, however, it is not that difficult to vent to a can that drains to the pan, thus avoiding the fouling of the intake plenum. That personally would be my preference for competition cars with prolonged high rev environments.

(I have not personally raced the S54 yet, so I can not comment on just how bad this issue is for them. On prior SXX motors, it is a big issue, but this engine has a new and quite different vapor separator, yet BMW still feels the need to put an oil drain in the intake plenum. This does not bode well)

[328ijunkie]

"
On E30 transplants, using the E34 oilpan is a proven safe way to avoid starvation in even the most extreme conditions. (Mike Akard's car is an excellent example). On E36 cars, the dual pickup system is adequate for most competitive scenarios where a car is run for short duration. A cost effective way to ensure constant oilpressure would be an accusump."


Just reading this and your previous post about it.... You said "oil starvation under braking" Braking = no throttle = no load

What happens with a E34 pan setup when youre flooring it out of a corner, all the oil flys to the back where there is no pickup. =Starvation.

[Wh33lhop]

"
On E30 transplants, using the E34 oilpan is a proven safe way to avoid starvation in even the most extreme conditions. (Mike Akard's car is an excellent example). On E36 cars, the dual pickup system is adequate for most competitive scenarios where a car is run for short duration. A cost effective way to ensure constant oilpressure would be an accusump."


Just reading this and your previous post about it.... You said "oil starvation under braking" Braking = no throttle = no load

What happens with a E34 pan setup when youre flooring it out of a corner, all the oil flys to the back where there is no pickup. =Starvation.

Yeah but the E34 pan design tends to keep oil in the front portion of the pan under conditions like that.

[M3 euro ltw]

What happens with a E34 pan setup when youre flooring it out of a corner, all the oil flys to the back where there is no pickup.

Apparently nothing happens.

This is based on several customers racing S50BX engines with this mod and observing no issues whatsoever.

I think people generally know that I'm an E36 guy, so I've not personally had one of these E34 oilpans in my hands, but apparently the design is such, that much like OTHER front sumped E30 cars, there is no starvation issues when the car loads up in any direction. This is very different from rear sumped E36 cars....unless they run the rear sump dual pickup set up.

I understand your concern based on theory, but in practice, something else is observed.

[Mako18]

example...(click for full size)

[gobuffs]

Just reading this and your previous post about it.... You said "oil starvation under braking" Braking = no throttle = no load

What happens with a E34 pan setup when youre flooring it out of a corner, all the oil flys to the back where there is no pickup. =Starvation.

on my E30 M3 S50B32 race car I have had oil pressure data from day 1 (5 years now) and I have never seen an oil starvation blip on the data. I have the E34 pan with no baffling. My data doesn't support your position.

[M3 euro ltw]

First try and attachement or link or photos..

Well, if this guy, see image.... is not having oil pressure issues, I think eveyone else will be ok.

Was trying to show a vivid example for "case in point"

Alex.

[matt]

Looks like turn 3 at Road Atlanta. Nice pic.

[M3 euro ltw]

Groan...

Almost 2 weeks waiting for what I thought was going to be the killer solution for the DBW..and what shows is a pair of what I ordered, that are NOT what was pictured on their website.

Argggg..

Its not just the $130 or whatever down the drain, even if they refund it, its the time and aggravation.

May actually carve my own part from (?) and see if I can't mold temporary piece using a simple molding kit like Alumalite....

Then have someone make it....

[deansbimmer]

So what kind of timetable are we looking at for having the PnP SEM online? Is it a 2010 thing or are we talking 2012 when the world ends? I'm excited!

[SA E30]

We're going to run a extra capacity, baffled s50 sump on our S54 in the race car but then I'm not worried because we have an sponsor for the engine's.

[SA E30]

Double post.