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Old 11-27-2019, 09:03 AM
squidzilla squidzilla is offline
Join Date: Feb 2014
Location: sandy UTAH
Posts: 543
squidzilla is on a distinguished road
Another option to lower the RPMs at highway speed is to put the differentials from the m62 e53. Some members here have done this and I think it lowers the rpms at 70mph by 500 or so. That would be much easier to do and to locate the parts. Cheaper as well.
2001 E53 X5 3.0 Auto. Silver Black Build date 10-17-2000 141kmiles

2004 E60 545i Sport 6MT. Black/Black Build Date 6-2004 102k miles
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