MSD81 Upgrade and replacement DME for N54 engines
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  • MSD81 Upgrade and replacement DME for N54 engines

MSD81 Upgrade and replacement DME for N54 engines

$700.00

Replace your defective MSD80 with the stronger and upgraded MSD81 unit

DME: Get part from Bimmerpro's inventory
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Add-ons

Add-on keys

BMW E Series Key Fob replacement

BMW E Series Key Fob replacement

$175.00 $131.25

MSD81 upgrade for the N54 engine. With this new DME, the issues with the older DME they are the most known for is a thing of the past.

The presence of the codes below indicate an internal failure of the components.

  • 30BA DME digital motor electronics, internal failure

  • 30BB DME digital motor electronics, internal failure

In this situation the car is disabled and will even fail to start in some cases. The recommended solution is to upgrade to the stouter MSD81 ecu which does not have this issue.

Another common issue for the MSD80 is to have a defective BSD output. This circuit control, the activation of the water pump, oil sensor and alternator. When this fails the ecu must be replaced.

Upon checking out you will receive the instructions to ship the parts to our repair workshop. You are responsible for mailing the parts to us. Return shipping is billed at the same moment. You can supply and mail in your own replacement computer (Fitment is your responsibility) or you can pick from our vast refurbished computer inventory where fitment is guaranteed.

Local customers can also elect to deposit and pickup their repaired parts once the repairs are complete, just select ‘’Bimmerpro pickup in store’’ as the shipping method.


To proceed with the repairs, the following components from your car will be required:

·         Defective DME module

·         1 Working key

·         CAS module

Our knowledgebase has the instruction to remove those components from your car should you need them.


Module removal instructions guides


The compatible part numbers are as follow :
(Only the last 7 digits may be printed on your actual part)

12148612998,
12148618862,
12148619751,
12147611358,
12147604567,
12147602118,
12147592080,
12147586933,
12147583332,
12147575875,
12147574534,
12147573863,
12147568842,
12147568370,
12147567491,
8612998,
8618862,
8619751,
7611358,
7604567,
7602118,
7592080,
7586933,
7583332,
7575875,
7574534,
7573863,
7568842,
7568370,
7567491

BMW-MSD81

Data sheet

Type
BimmerPro services
ECU & Modules
Engine