M5 Expert (>4000)
Join Date: Feb 2001
Location: west palm beach. fl.
Thanked 1,556 Times in 1,166 Posts
Yeh it is fairly high pitched
You don't indicate mileage or last fuel filter change. I would change the fuel filter; if the old one is bad, the pump has to work harder to push the fuel against the clogged or dirty filter.
Dinan Stage 3 suspension, SS jet coated headers, ESS SC kit w/ 1 range colder NGK's, 92mm pulley, 440 Big Greens, TTFS alpha N tune for meth, RK plenum plates, Sachs high performance PP and CCC proprietary clutch disc, stock DMFW, open brake ducts, Hamann front splitters, TEC cupholder, U.S.(Euro style) tilt/slide armrest, 6k HID fogs, 6k super white low beams, V1/Stealth1, dual head LI, 2.65 diff w/40% lockup/2x dynamic, compact spare, Euro trailer hitch, Mocal oil cooler, ACS type rear spoiler, Rogue custom SSK and tranny mounts, ST 355 BBK (fronts), BP sway bar brackets, Bluetooth retrofit, Speedhut boost gauge, Dinan TB's and VS, KB BAP, Howerton/HFS-3 Aquamist WI trunk setup.......