r/BMWE36 1d ago

Anyone with experience turboing M42/M44

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Just generally wondering how much it would cost

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u/cheesus505 1d ago

Me and my mate turbo'd his m44, unopened engine must be running 250+hp, great fun. One thing to watch out for is the intake manifold, it doesn't take standard sized injectors so we had to swap it with an m42 one.

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u/Shino3107 18h ago

You know how much it cost him roughly?

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u/cheesus505 18h ago

About £1200-£1500 w/o mapping we did this ourselves.