This is a Repair Service for any BMW E46 3 Series / Z4 / X3 with M54 / M56 Engines equipped with MS45.1 / MS45.0 DME's

• 2774 -- Engine cut off time
• 28B2 -- RPM limiting: reset
• 27A1 -- Electronic throttle controller: start check
• 2830 -- DME RAM self-test: checksum
• 2796 -- Electronic throttle controller: adaptation wrong
• 2869 -- DME Self Diagnostics : RAM-Check Failed
• 286B -- DME Self Diagnostics : Multi-output Module
• P16A0 -- Internal Control Module Memory Check Sum Error in Boot Software
• P16A1 -- Internal Control Module Memory Check Sum Error in Application Software

All Those fault codes indicate that you need a NEW DME since your processor is now defective, However, We are able to repair this fault code and offer a 1 Year warranty on this particular repair. 

BMW 3 Series E46 (02/2003 — 05/2006)

• 325Ci Convertible, M54 Engine
• 325Ci Coupe, M54 Engine
• 325Ci Coupe, M56 Engine
• 325i Sedan, M54 Engine
• 325i Sedan, M56 Engine
• 325i Touring, M56 Engine
• 330Ci Convertible, M54 Engine
• 330Ci Coupe, M54 Engine
• 330i Sedan, M54 Engine

BMW X3 E83 (02/2003 — 07/2006)

• X3 2.5i SUV, M54 Engine
• X3 3.0i SUV, M54 Engine

BMW Z4 E85 (01/2002 — 11/2005)

• Z4 2.5i Roadster, M54 Engine
• Z4 3.0i Roadster, M54 Engine

MS45.1 ECU/DME Supported Part Numbers are:

• 7512523 - 7514833 - 7527015 - 7522584
• 7523810 - 7525937 - 7526791 - 7527110
• 7524718 - 7530211 - 7531500 - 7531442
• 7532142 - 7532903 - 7533652 - 7533654
• 7541336 - 7541344 - 7543158 - 7543224
• 7548770 - 7548772 - 7549388 - 7549391
• 7549795 - 7561382 - 7561383

MS45.0 ECU/DME Supported Part Numbers are:

• 7541343 - 7513279 - 7513280 - 7522770
• 7522771 - 7526000 - 7526001 - 7527000
• 7527001 - 7527072 - 7526790 - 7527730
• 7527731 - 7530260 - 7532902 - 7531440
• 7531441 - 7532140 - 7532141 - 7533651
• 7533653 - 7541335 - 7541343 - 7543157
• 7543223 - 7548769 - 7548771 - 7549387
• 7549390 - 7549792 - 7549794 - 7561380