folow up on 1998 bmw 318i/thanks Reynaldo

Question

Hi,please i need help .. this how start
i did have all of sudden code p1174 so i did replace the valve cover gasket and O2 sensor bank 1 &THE CRANK CASE VALVE hoping will solve it i drove the car to reset the moniter it set and after one hour the the code p1174 &maf code so i replace the maf and the spark plug the code of the maf goes away but the p1174 remain and the car ideling not right but not so bad and i notice the the transsmition light ligt up but when i restart the car doesnot and i can drive the car ..so i check the spark plug one more time and the coil and start thrown 13 code p0300and all 4 and p1509/p0120/p0201 including the p1174...
- i did spray carb for vacume leak i can not find nothing and i did change the boot to the throttle and mag and the hose no leak i can find.it just can not be all went bad somthing trigering this satiution....../I DID TAKE THE PLUG OFF AND I NOTICE THE DIFFRENT WHEN I PUT IT BACK... ALL OF THEM WORKING ...I TOOK EVEN THE DISA PLUG AND THROW CODE P1511 SO I PUT BACK I CAN PUT MY HAND ON THE DISA AND PRESS I CAN SENSE THE LITTLE HESSSS SOUND GOES AWAY CAN BE THE DISA TRIGEER ALL OF IT I NEED TO NAROW DOWN THE POSSIBILTY ...THANS FOR YOUR HELP REYNALDO
please i need help thanks

Read more: https://www.autocodes.com/qa/19000/code-p1174-and-others-please-need-help-inspiction-days-away#ixzz2he2nWdHq