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Do BMW and Mercedes use a Bosch HPFP like VW? If so, how is it different from the one in the Mk6 TDI? I have scoped out both web sites and they offer only the most general information about their diesel engines.

Thanks in advance.

Frog
 

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I'm not knowledgeable but every model is really different. I can tell you that HPFP issues were a common problem on the last gen gas 2.0L VW turbo engines but the pump was driven by the cam. Supposedly they're fixed because they added a roller to the cam. This roller is apparently wearing on the TDI engines but again, they're different pumps. I know BMW has had major HPFP problems on their 3.0L turbo gas engines as well which resulted in some sort of recall or extended warranty. I believe they're all made by Bosch.
 
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