Old Jul 26, 2004 | 03:12 PM
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Jim Galbally
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From: Ramsgate, Kent Drives: E39 530D Touring
Default why is high pressure diesel injection better?

why are these TDCi n HDI n whatever dervs so much better than a normal derv (turbo ones)

is it simply due to the silly high pressures or is it a lot more involved?

always wondered...
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