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OM646 Tuning

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Old Jun 25, 2019 | 10:44 AM
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Galin Bozhkov's Avatar
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w203 c200 cdi
OM646 Tuning

Hey guys, I've got a 2005 w203 c200 cdi (om646) 120 hp stock. So far I've had it remapped to 163 hp and 381 NM but i'm not really happy with the result. I'd like to take it to 200-225 HP and i'm wondering which is the best way to do it. I've heard that a lot of people go for the GT2359V turbo from a w211 E320CDI because it's basically "plug and play"? Has anyone done it, and does anyone have any suggestions as to whether it is a good idea or not and any other parts I can swap?

P.S. I know that changing the car would be the easiest way to gain more HP but i've grown emotionally attached to it and would not like to change it.
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Old Mar 7, 2020 | 06:39 PM
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Nostalgic_Kappy's Avatar
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BMW E39 525TDS

According to this compressor map, theoretically, if you made the engine better flowing at higher rpm (and as a result, get your peak torque higher in the rev range) then yes, it fits the compressor map fairly well for your 200+ hp goal.
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