Ebay M42 chips

[e30sh]

Anyone in the USA try one? Says disables O2. They are inexpensive.

[varg]

The one claiming +12hp and with a 7,200rpm rev limit? I haven't used it but that's crap. There's no way you're going to get 12hp out of a chip tune on an M42 and revving it to 7,200rpm is pointless, it's out of breath by 6,500rpm with stock cams and intake. Have a look at the results with MarkD's chip: http://www.m42club.com/forum/index.php?topic=11635.0

[downforce22]

I'm running one and asked sssquid to check the chip for that. The one I had does not disable o2 feedback and helps the engine a fair bit. With that said i'm runnig a sssquid chip now.

[roguetoaster]

The one claiming +12hp and with a 7,200rpm rev limit? I haven't used it but that's crap. There's no way you're going to get 12hp out of a chip tune on an M42 and revving it to 7,200rpm is pointless, it's out of breath by 6,500rpm with stock cams and intake. Have a look at the results with MarkD's chip: http://www.m42club.com/forum/index.php?topic=11635.0

Agree, chips will not provide 12HP, even at the flywheel. A real tune for your engine may get you there.

Revving to or above stock redline is very helpful on track, and it's just plain fun if the valvetrain is healthy.

[ThatOneEuroE30]

Just get a mark d or sssquid chip and 19# injectors. I have an sssquid chip and injectors and love it like ive said before

[bmwman91]

+1 for Sssquid

I have been working with him on a custom tune for my 2.1L M42 and he takes his tunes seriously.