BMW MSV70 / MSV80 / MSD80 / MSD81 - 2AB4 DME internal error: RAM-checksum

Product Information

This is a BMW Repair Service for any E-Series with N51, N52, N54, or N54T engines equipped with DME MSV70, MSV80, MSD80 or MSD81 and have the following BMW Fault code:

Popular Fault Codes

2AB4 DME, internal error: RAM-checksum

The Checksum Error mainly appears when customers go to inexperienced companies to get their Original DME TUNED. After a while, they reach a Checksum Error. This also occurs with DME's that are not tampered with, and still get this fault code.

The symptoms include the engine not passing over 1500 RPM and will enter ENGINE FAIL SAFE MODE.

Models Supported 

• BMW 1 Series E82 128i From 12/2006 To 10/2013 
• BMW 3 Series E90 323i From 01/2007 To 12/2011 
• BMW 3 Series E90 - E92 328i From 01/2007 to 06/2013 
• BMW 3 Series E90 - E92 328xi From 01/2007 To 06/2013 
• BMW 5 Series E60 LCI 528i Years 05/2006 To 12/2009 
• BMW 5 Series E60 LCI 528xi Years 05/2006 To 12/2009 
• BMW X5 Series E70 3.0si / 3.0L From 08/2006 To 03/2010 
• BMW Z4 Series E89 23i / 28i / 30i From 07/2008 To 08/2011
• BMW 1 Series E82 135i From 12/2006 To 10/2013 
• BMW 1 Series E88 135i From 12/2006 To 10/2013 
• BMW 3 Series E90 335i From 08/2006 To 12/2009 
• BMW 3 Series E91 335xi From 08/2006 To 12/2009 
• BMW 3 Series E92 335i From 08/2006 To 12/2009 
• BMW 3 Series E93 335i From 08/2006 To 12/2009 
• BMW 5 Series E60 535i / 535xi From 04/2008 To 12/2009 
• BMW Z4 Series E89 35i From 07/2008 To 08/2016 
• BMW Z4 Series E89 35is From 07/2008 To 08/2016 
• BMW X6 Series E71 X6 35iX SAC From 01/2007 To 12/2009

DME / ECU SUPPORT LIST

MSV70 DME'S (ECU) AKA N52 Engines. 

DME Supported Part Number (Siemens MSV70)

• 7552398 - 7552399 - 7553166 - 7553167
• 7555361 - 7555362 - 7559178 - 7559179
• 7561817 - 7561818 - 7561684 - 7561685
• 7567179 - 7567180 - 7577969 - 7577970

 MSV80 / MSV80.0 /  MSV80.1 DME'S (ECU) AKA N51 and N52N Engines. 

DME Supported Part Number (Siemens MSV80)

• 7546143  -  7557135  -  7565861  -  7565862
• 7567227  -  7567230  -  7567362  -  7567367
• 7569988  -  7570376  -  7570398  -  7573322
• 7573323  -  7574540  -  7574541  -  7574544
• 7574545  -  7575057  -  7575058  -  7575498
• 7575499  -  7576297  -  7576300  -  7577068
• 7577069  -  7577996  -  7577997  -  7581123
• 7581124  -  7583468  -  7583470  -  7587164
• 7587165  -  7591709  -  7591710  -  7594483
• 7594484  -  7594941  -  7594942  -  7597091 
• 7597093

MSD80  / MSD81 / DME (ECU) with N54 / N54T Engines.

DME Supported Part Number (Siemens MSD80)

• 7546141  -  7550014  -  7565859  -  7565860
• 7567229  -  7567232  -  7567491  -  7567492
• 7567542  -  7567543  -  7568370  -  7568371
• 7568842  -  7568843  -  7569978  -  7569979
• 7571468  -  7571469  -  7572063  -  7572064 
• 7572067  -  7572068  -  7573796  -  7573797
• 7573863  -  7573864   -  7574534  -  7574535 
• 7575875  -  7575876  -  7576719  -  7576720 
• 7576721  -  7576722  -  7578020  -  7578021 
• 7578441  -  7578442  -  7583332  -  7583333 
• 7586938  -  7586939  -  7586940  -  7586954 
• 7588620  -  7588621  -  7594305  -  7594306 
• 7595235  -  7595236  -  7596017  -  7596018
• 7611396  -  7611397 

DME Supported Part Number (Siemens MSD81)

• 7578033  -  7578034  -  7579011  -  7579012
• 7583324  -  7583325  -  7585540  -  7585541
• 7585711  -  7585712  -  7585889  -  7585890
• 7586933  -  7586934  -  7590871  -  7590872
• 7592080  -  7592081  -  7593493  -  7593494
• 7596019  -  7596020  -  7596022  -  7596021
• 7600427  -  7600428  -  7601865  -  7601866 
• 7602118  -  7602119  -  7604567  -  7604568
• 7604593  -  7604594  -  7605662  -  7605663 
• 7608621  -  7608622  -  7611358  -  7611359
• 7612455  -  7612456  -  7614620  -  7614620 
• 7616431  -  7616432  -  7618935  -  7618936
• 7622911  -  7622912

DME & CAS Removal

• BMW E82 E88 (1 Series 2011 to 08/2016) 
• BMW E90 E92 E93 (3 Series 2005 to 2013)
• BMW E89 (Z4 Series 2011 to 08/2016)
• BMW E60 (5 Series 2003 to 2008)
• BMW E70 - E71 (X5 -X6 Series 2009 — 2013)