Maxx ecu standalone n54

RuskiRacer

Sergeant
Jul 17, 2019
429
157
0
Ride
2009 e93 335i
I am, actual sleeves or the closed deck insert?
I'm more interested in the cylinder support solutions sleeves I still want to be able to street drive the car with no temperature increases. Closed deck insert from what I've heard your typically see higher oil and coolant temperatures
 

rac

Corporal
Nov 14, 2016
236
132
0
Australia
Ride
135i ST
Post some dynos I want to see the torque curve. The DI is a pain in the ass but you got rid of basically the only good thing about this motor.
If you are going PI why not just use literally any other motor that’s infinitely better for a drag car?

I plugged my head with same turbo before and after (6466) and imo there was no noticeable torque difference. From the papers i read and dyno tuning on other cars you might expect about 5% maybe a bit more benefit while the intake valve is open. If your running e85 then what the injectors can spray on intake only is obviously more limited then race fuel.

Imo the biggest benefit of DI is pushing sh8t fuel further than it would otherwise be capable of. The other thing is with the port injectors positioned further back than a head designed for PI the slower transient response is noticeable at low revs, as in throttle blip below 2000rpm. Not an issue for any motorsport.

On the flip side, I've had my longest trouble free n54 since I dumped that sh8t and halved my tuning headaches.
 

TJ Jrackers

Private
Dec 9, 2016
31
15
0
Very interested in this, I'm planning on doing the same with a MaxxECU on my single turbo 135i weekend toy in the next month or so as I'm tired of all the DI and MSD81 issues.

What did you do wiring harness wise? Remove the stock connectors and add the MaxxECU connectors?
Would you be willing to share your pinouts at all?

Does the dash work as normal? From talking to MaxxECU support the two main problems atm is the odometer and oil level don't work?

Any info you have would be very welcome
 
Last edited:

STE92

Corporal
Mar 3, 2017
170
47
0
Ride
E92
I'm more interested in the cylinder support solutions sleeves I still want to be able to street drive the car with no temperature increases. Closed deck insert from what I've heard your typically see higher oil and coolant temperatures
This is not true... I have css block had zero issues with oil or coolant temps. I actually stop using sport mode because car wouldnt warm up completely. I do have new water pump/ CSF radiator/ CSF front mounted oil coolers and run 70% water 30% coolant.

Also OP, what cost of maxx ecu?
 
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TJ Jrackers

Private
Dec 9, 2016
31
15
0
Very interested in this, I'm planning on doing the same with a MaxxECU on my single turbo 135i weekend toy in the next month or so as I'm tired of all the DI and MSD81 issues.

What did you do wiring harness wise? Remove the stock connectors and add the MaxxECU connectors?
Would you be willing to share your pinouts at all?

Does the dash work as normal? From talking to MaxxECU support the two main problems atm is the odometer and oil level don't work?

Any info you have would be very welcome
Any progress or info on this?