[LiquidMercury]

Originally Posted by Jadar

You guys better scramble and get old .hex versions for jb4 because BMS has gone 50 state compliant and the auto code delete is gone for ever.

There are some workarounds however. Use old version or change country code on the new jb4 android app.

This...

Originally Posted by FSociety

@[GodZhu]Btw, plenty of ppl drive with CEL on it causes no harm until they're ready for tuning to take full advantage of the extra flow.

...and this.

I had a JB4 Stage 2, and whilst it did auto-delete my CEL, it caused too many other issues for me to keep it installed so it's been pulled for now. I'd get a flash tune, but honestly, at the $1300 price for about an additional 38-40 hp, that's just a no brainer service I refuse to pay.

If it were available, for features and options, I'd get a BM3, but sadly that's not an option for my model.

The CEL light doesn't bother me in the least.

[TerryGTX]

Originally Posted by izaazk

Just get a cat. Sim from area --74...

I use one myself and works great ... tricks ecu that there is a cat

How is the cat sim working? Is it a stable fix? Thinking about getting one

[Jadar]

Originally Posted by TerryGTX

How is the cat sim working? Is it a stable fix? Thinking about getting one

It works great on 2012-2013-2014 cars but anything 2015 and up it will not work. Tried it already. And are a 74 customer service is horrible so who knows if I?ll ever be available.

[Mr. Tasty]

Originally Posted by TerryGTX

How is the cat sim working? Is it a stable fix? Thinking about getting one

http://www.vr-speed.com/vrsf-catless...-bmw-335i.html

Just get this, cheap works and VR has excellent customer service.

[JaredG_F30]

Originally Posted by Mr. Tasty

http://www.vr-speed.com/vrsf-catless...-bmw-335i.html

Just get this, cheap works and VR has excellent customer service.

Does the VRSF cattless dp fix trick the ECU into thinking there is a CAT? If so it should allow the car to enter readiness state for emissions testing. Can someone confirm?

[Mr. Tasty]

Originally Posted by JaredG_F30

Does the VRSF cattless dp fix trick the ECU into thinking there is a CAT? If so it should allow the car to enter readiness state for emissions testing. Can someone confirm?

The same product allowed my car to pass O2 emissions on my cat-less downpiped e92 335i. Can confirm.

[JaredG_F30]

Originally Posted by Mr. Tasty

The same product allowed my car to pass O2 emissions on my cat-less downpiped e92 335i. Can confirm.

Perfect!! Thanks!

[Mr. Tasty]

Originally Posted by JaredG_F30

Perfect!! Thanks!

[Jadar]

Originally Posted by JaredG_F30

Does the VRSF cattless dp fix trick the ECU into thinking there is a CAT? If so it should allow the car to enter readiness state for emissions testing. Can someone confirm?

Yes precisely what it does.

[Zentan]

Originally Posted by Jadar

Yes precisely what it does.

This is fantastic. How would you install this? Where would it plug in?

[Mr. Tasty]

Originally Posted by Zentan

This is fantastic. How would you install this? Where would it plug in?

On my n54, it was 4 wires that plugged into the dme. So most likely the dme also. caveat is the n55 dme is under the intake manifold. On the n54 it was to the left of the engine