how much have you paid for the flash in your S54 DME for a swap?

[FredK]

$400 isn't a bad price to pay for a new wiring adapter, especially if it's coming with an OBD-II plug too. That's awesome that BW dropped the price on the flash, too, because it gives you access to the best S54 tunes out there.

[nando]

it also needs VSS input, and you could use the PWM fan control, there's a lot of things you could do differently depending on what you want.

[Bimmerman325i]

The harness, as best as I understand it, is so you only need to attach the ECU to the engine, power, drive by wire pedal, diagnostic pin, fuel pump trigger, rpm, and ground, with CAN output possible. I haven't delved too deeply into it but that's my understanding.

[nando]

I don't get it then. I'm not sure it's worth $400 for wiring mods. anyway it would be easy to add the wires back if they removed it for some odd reason. :)

[Bimmerman325i]

Isn't CAN output part of the stock wiring? that's how the DME communicates with the cluster. the trick is having something that can interpret the messages on the bus? or are they reprogramming the CAN bus too?

I'm fairly sure it is. I think they leave it alone but I'm not 100% sure. They leave it because many aftermarket data loggers (AiM especially) has native support for E46 CAN decoding and logging.

[nando]

Isn't CAN output part of the stock wiring? that's how the DME communicates with the cluster. the trick is having something that can interpret the messages on the bus? or are they reprogramming the CAN bus too?

[Bimmerman325i]

Just another data point, but Bimmerworld just dropped their price rather significantly: $1399 for the ECU conversion and another $399 for the wiring harness (with CAN output). A tune is not included, but can be added on.

Mark, does your method allow for CAN for data logger input/output?

[valleymotorwerks]

Mark I jumped to the end of the thread.. I'd be more than happy to be the West Coast location for flashing.. we're currently dropping an S54 into our US Touring / GTS E46 sedan. I'm going to PM you with my needs...

[MarkD]

Hello MARKD

Can you flash the MSS52 DME for a s62 swap?

Yes I can!

[jevijavi]

Hello MARKD

Can you flash the MSS52 DME for a s62 swap?

[nando]

i never realized that ac was such an integral part of tuning your car.

Wiring... I never knew you were an s54 swap & electronics expert. ;)

[Kershaw]

i never realized that ac was such an integral part of tuning your car.

[joon]

First off let me say a big thank you to all, there is more good info here on S54/M54 swaps than all the other forums combined.

I have had the S54 engine sitting in my garage for some time now but with the markets in such turmoil I haven't really had time to work on it.

I was actually willing to pay the $3.5k to Bimmerworld but they were not able to provide me with concrete steps for A/C integration. The ambient temps are 80ish all year round here with 80% humidity, so A/C is an absolute must for any kind of driving.

I was studying the diagram for the 2001 MZ3/S54, it appears that the MZ3 cluster is able to take in the two distinct signals (AC ON, Pressure Switch) on Pin 6/7 @X271 and feed it to the can bus, has anyone tried this? As far as I can tell, the DME doesn't care if the AC compressor is the variable displacement- or on/off-type, which is perfectly fine since I will use my S52 Denso compressor.

I will give my money to anyone who can provide a complete MSS54 solution including A/C. :)

[knuklehead92]

so how much are you thinking about charging? i am looking to do this in the future.

[MarkD]

You hadn't mentioned it on HERE, meaning R3v. It was more of a joke about a technicality.

Later

edit: yeah pretty strange.

Well sorry if you were joking around and I didn't catch on. Some of the comments you made just looked like you were attacking me and my products. And since I encounter that every so often on the forums, I'm getting tired of it. Your posts seemed to be like some of those others from the past.