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E39 MS42/MS43 Engine Software

$0.00$270.00

Stage 1 delivers the following:
– Gains of +10 HP @ 5000 RPM and +10 lb-ft TRQ @ 5000 RPM
– Rev limiter increased
– Improved throttle response
– Top speed limiter removed
– Smoother powerband
Other options:
– EWS Delete
– EU2 Tune, recommended if SAP, rear 02s and other emissions related components are removed.
-VIN Matching, please include your VIN in the description box at checkout or email us directly.
**Service only, customer is responsible for sending the DME to be modified. Return shipping included in the price.
Please include the modification that you want in the order notes field or send an email with the order number to sales@OBDSource.com
Note: modified software calibrations are intended for off-road use only. Please refer to our “policies & warranty” page for more information.