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My opinions on my own upgrades, listed in order of "bang-for-the-buck". All costs include installation.
1. CF removal $0
2. RPI intake scoops $150
3. BMC air filters $160
4. Resonator removal $200
5. H&R springs and spacers $700
6. Dinan 3.91 differential $3000
7. Michelin PS2 tires $1600 (annually)
7. Active Autowerkes ECU $1200
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Mike
2006 E60 M5 Silverstone II/Silverstone/Aluminum, All Options, 35% tint, Aluminum Pedals, Valentine V1 and Passport 9500i Hardwired, Blinder Xtreme M40, Michelin PS2's on 20 inch BBS RS-GT's, Winter Pirelli Sottozeros on OEM 19 inch wheels, Resonator Delete, Charcoal Filters Removed, Eibach Springs and Spacers, Active Autowerks ECU, BMC Filters, RPI Air Intakes, Evosport Pulley. Retired from track duty 10/08. Dinan diff replaced with OEM at my cost due to failure at 56,000 miles. First on the list for the upcoming F10 M5.
Last edited by Wolverine; 19th December 2007 at 01:34.
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