just brought a nice e39 anybody know if you can buy performance chips for them! and other ways to increase HP. has exhaust done already. cheers
jason_247,
Aug 6, 1:17am
have a look around online
not a huge amount to do power wise other than a supercharger there was a thread on an american forum testing chips 9/10 lost power over factory and the other gained 3 hp
if exhaust is done leave the engine a pod filter will sound stupid
give the engine a good deal of maintanance to gain lost power
new oil in g/box and diff
from there take a good look at options regarding suspension, a real soft point on older e39s
new arm bushes for the front, subframe bushes in the rear etc
after that track down an m5 rear sway bar, dramatically improves handling
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