Product Information

This is a BMW DDE SCR (Adblue) , DPF (Diesel particulate filter) and EGR (Exhaust gas recirculation) removal Programming Service for a E90 335d with a M57N2 engine equipped with DDE73 Engine Control Unit. 

Popular Dash Warnings

• No Start in XXX miles.
• No Start in --- miles.
• Exhaust Fluid Reserve!
• Exhaust Fluid!
• Exhaust Fluid Incorrect!
• Refill Exhaust Fluid!

BMW DDE SCR (Adblue): This Service is useful when your engine gives you a warning that it will stop running in about 200 miles, and when you reach warning level 3, No engine start is possible unless you go to the dealer and spend over $8500 for a complete SCR system. 

• 41F9 SCR System: System error and poor urea/water mixture quality detected.
• 474C SCR System, warning and deactivation scenario: Warning Level 1.
• 4748 SCR System, warning and deactivation scenario: Warning Stage 2.
• 4746 SCR System, warning and deactivation scenario: Warning Stage 3 (Maximum range reached).
• 4D08 SCR System, warning and deactivation scenario: Maximum range reached (No engine start possible).

DPF (Diesel particulate filter): This service is useful when you need to replace the Diesel particulate filter, its around $3400, so we recommend to remove it and put a straight pipe exhaust. 

• Fault 452A appears when the particulate filter has exceeded most of the maximum running distance and serves as information / request for competent filter replacement in the BMW workshop.
• Fault 4D4A appears if no measures are taken despite the request for filter replacement being issued and the total running distance of the particulate filter has been exceeded.

EGR (Exhaust gas recirculation): Disconnection of the EGR Valve from its connector. 

Disclaimer: Within the USA & Canada, this product is legal only for racing vehicles which may never be used on a public highway.

Models Supported

• BMW 3 Series E90 LCI, 335d, Sedan, Years (08/2008 — 10/2011) with M57N2 Engine

DDE / ECU Supported

DDE73 (ECU's)with M57N2 Engines.

• 8572479 - 8572131 - 8517705
• 8512417 - 8512416 - 8513135
• 8511126 - 8510221 - 8506420
• 8506419 - 8515366 - 8513280
• 8510524 - 8506415 - 8506414
• 8506413 - 8506137 - 7823972
• 7823580

DD731 (ECU's) with N57 Engines.

• 8512407 - 8510838 - 8512294
• 8506570 - 8517015