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So far it appears the us 2011 Z4 35is & 2011 335is owners are left out.
HerrK posted this in the Z forum and shows the evolution of the pumps.
FYI - Some chronological/pn history on the HPFP and likely to be continued with some failures already reported on the N55 engine family.
1 - 13537537320 - New Original HPFP
2 - 13517585655
3 - 13517582881
4 - 13517596123
5 - 13517594943
6 - 13517613933
The latest PN iteration
7 - 135??????402
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