Midnight AutoWerks is your premier source for Hi-Tech solutions.  We have been developing products for GM and BMW power plants with ODBII engine management systems.  Including the GM LT1 and LS1, the BMW M52 and S52US.  We currently Supply the Only Oxygen Sensor Simulator for the Siemens DME used in the '96 and up BMW's.  We also manufacture customs Nitrous Plates system, Switch Panels and Custom Hidden Nitrous Systems.  Also we custom tune MAF's (Mass Air Flow Sensor) and IAT's (intake air temp sensors)  to maximize engine output.  If you have a technical problem, we can provide you a solution!