dinan cai

[cavx5]

hello again..just need a suggestion...like to get a dinan cai for the x but dinan recommends a software update to along with the cai..do you think it is really necessary or a ploy to get more money for an already expensive cai..i think it is..but being that this is my first bimmer i dont know if by adding the cai that i really need the software update...i have done cai's on american cars with no problem with software issues..any opinions...rob

[themoth]

Originally Posted by cavx5

hello again..just need a suggestion...like to get a dinan cai for the x but dinan recommends a software update to along with the cai..do you think it is really necessary or a ploy to get more money for an already expensive cai..i think it is..but being that this is my first bimmer i dont know if by adding the cai that i really need the software update...i have done cai's on american cars with no problem with software issues..any opinions...rob

I have looked into this as well and the dealer will not install the CAI without the SW. They compliment eachother. My next step since i have done the exhaust and the Performance SW already thru them. GL

[skiboats]

I just installed the Dinan CAI. I have not done the software upgrade yet, but am planning on it.

It does get confusing, it seems Dinan would have you get the CAI, Throttle Body and the level 3 software and the exhaust for that matter.

I don't plan on purchasing the throttle body, so what software package is needed? Is it needed, or suggested? I have not called anyone there yet, but have just been reading their website.

My car runs great with just the CAI. Without a question a noticeable difference from stock.

Surprised the dealer won't install it without the software. What level software are they suggesting?

[cavx5]

what does the performace software exaclty do to the car

[skiboats]

Originally Posted by cavx5

what does the performace software exaclty do to the car

From reading their site, changes the mixture, increases the rev limiter, removes the speed limiter, ups the shift points.

[iredlinemy///m3]

Originally Posted by cavx5

what does the performace software exaclty do to the car

Performance Engine Software (Stage 1).Dinan Performance Engine Software unleashes more power by re-programming the fuel mixture and ignition timing parameters of the engine management system. Furthermore the software safely raises the rev-limit, giving your BMW a broader power band and greater road speed potential in each gear. Significant gains are also achieved at part throttle, making extra power available where you spend the bulk of the time driving. The top speed governor has also been eliminated, enabling the vehicle to achieve it's ''natural'' top speed.


Dinan Software is done is stages -

Stage 2 Engine Software optimizes performance and drivability when installed with the High Flow Cold Air Intake System.

Stage 3 Engine Software is for use with the High Flow Throttle Body optimizing performance and drivability.

Stage 3A Engine Software is for use with the Cold Air Intake System and High Flow Throttle Body optimizing performance and drivability.

Stage 4 Engine Software is for use with the High Flow Air Mass Meter Cold Air Intake System and High Flow Throttle Body, optimizing performance and drivability.

Stage 5 Engine Software is for use with the High Flow Intake Manifold High Flow Air Mass Meter, Cold Air Intake System and High Flow Throttle Body, optimizing performance and drivability.

[skiboats]

Originally Posted by iredlinemy///m3

Performance Engine Software (Stage 1).Dinan Performance Engine Software unleashes more power by re-programming the fuel mixture and ignition timing parameters of the engine management system. Furthermore the software safely raises the rev-limit, giving your BMW a broader power band and greater road speed potential in each gear. Significant gains are also achieved at part throttle, making extra power available where you spend the bulk of the time driving. The top speed governor has also been eliminated, enabling the vehicle to achieve it's ''natural'' top speed.


Dinan Software is done is stages -

Stage 2 Engine Software optimizes performance and drivability when installed with the High Flow Cold Air Intake System.

Stage 3 Engine Software is for use with the High Flow Throttle Body optimizing performance and drivability.

Stage 3A Engine Software is for use with the Cold Air Intake System and High Flow Throttle Body optimizing performance and drivability.

Stage 4 Engine Software is for use with the High Flow Air Mass Meter Cold Air Intake System and High Flow Throttle Body, optimizing performance and drivability.

Stage 5 Engine Software is for use with the High Flow Intake Manifold High Flow Air Mass Meter, Cold Air Intake System and High Flow Throttle Body, optimizing performance and drivability.

I think that only applies to the 4.8. I have a 4.4 and it goes from stage 1 to 3 and 3a. Seems the 4.6 is the same as the 4.4. Not sure what the OP has.

See what I mean about the confusion.

[LI-X5]

i have this on my 4.8 now and my 4.8 before this ! this time i did it all at once , cai throttle body , sofware but last time on the 4.6 i did it in stages !

1st i did a cai (afe) not even dinan and it worked great , then i did eng and tranny soft then i did the throttle body

so in answer to your q no you dont need to do it all at once !

[iredlinemy///m3]

Originally Posted by skiboats

I think that only applies to the 4.8. I have a 4.4 and it goes from stage 1 to 3 and 3a. Seems the 4.6 is the same as the 4.4. Not sure what the OP has.

See what I mean about the confusion.

I looked up the info based on a '05 4.4l, because thats what I have.

[jsears]

The 4.8is only goes to stage 3 software.