BMW 335 Computer Limp Mode - Reduced Power

Recently I Got My Car Back. Repaired Cracked Radiator, Gas Tank Leak, Valve Cover Gasket. My Battery Was Dead, So They Gave Me A Used One...

This Car Was In Limp Mode And Still Is, With Reduced Power Message And Barely Any Throttle Response. Took Ecu To Be Checked Out And They...

Have Several Codes That May Or May Not Be Tied Up To Each Other. Car Will Sometimes Start From First Time Sometimes Takes 10 Times Before It...

Have Multiple Codes On Dash, However No Codes On Scan Tool. Mechatronics Seals, Adapter And Solenoids Were Replaced As Well As Pan, Fluid...