So, just for the heck of it, I called Eric Bateman at Dinan to inquire about the S3 package for the E39 M5.
Basically, from a stock M5, the cost would be $60,000 - $65,000
Here is the kicker: this modification will VOID the standard warranty, Dinan will only warranty their products for 12,000 miles/12 months, and it currently is smog certified in 49 of the 50 states (they are waiting on California, but don't think it will be a problem). They are currently taking deposits and the next available appointment would be late summer. The work must be completed at the Morgan Hill, CA facility. They have completed 1 E39 and are currently working on 2 other E39s.
<TABLE cellSpacing=0 cellPadding=0 width="100%" bgColor=#ffffff border=0><TBODY><TR><TD vAlign=top>Peak Horsepower:
</TD><TD vAlign=top width=2></TD><TD vAlign=top>621 @ 7000 rpm</TD></TR><TR><TD vAlign=top>Peak Horsepower Gain:
</TD><TD vAlign=top width=2></TD><TD vAlign=top>230 @ 7000 rpm</TD></TR><TR><TD vAlign=top>Peak Torque:
</TD><TD vAlign=top width=2></TD><TD vAlign=top>502 lb/ft @ 5500 rpm</TD></TR><TR><TD vAlign=top>Peak Torque Gain:
</TD><TD vAlign=top width=2></TD><TD vAlign=top>173 lb/ft @ 7000 pm</TD></TR></TBODY></TABLE>
Intercooled Supercharger System
S3 Engine Management
High Flow-Ram Air Intake
High Flow Throttle Bodies and Tuned Velocity Stacks
4 to 2 to 1 Stainless Steel Headers
Free Flow Exhaust
Peak Horsepower: 621 @ 7000 rpm
Peak Torque: 502 lb/ft @ 4500 rpm
Top Speed (6th gear @ 7300 rpm with Dinan wheel and tire package):
3.15 Final Drive: 209 mph
3.45 Final Drive: 191 mph
Optional Performance Intake and Exhaust Cam Shafts
High performance cam shafts and matching engine management software are available at additional cost, increasing peak output to 638 horsepower at 7000 rpm.
Chassis and Suspension
Front and Rear Shock Tower Braces
Stage 3 Suspension System, Including:
Koni Rebound Adjustable Shocks and Struts
(Dinan/JRZ Racing Type Shocks optional, at additional cost)
17mm Adjustable Rear Anti-Roll Bar
28mm Front Anti-Roll Bar
Front Camber Plates
Rear Subframe Reinforcement
Dinan Performance Brakes by Brembo
355 x 32mm Front / 345 x 28mm Rear Slotted Rotors
4 Piston-Cast Aluminum Calipers with Dinan-Spec Pads
Goodridge Stainless Steel Brake Lines
Lightweight Forged Performance Wheels
Front: 18 x 9” (17.5 lbs.); 275/35-18 Tires (Sold Separately)
Rear: 18 x 9.5” (18 lbs.); 285/35-18 Tires (Sold Separately)
S3-M5 High Performance Clutch Package (including Flywheel, Disc/Pressure Plate and Slave Cylinder).
3.45 Limited Slip Differential
Serial Numbered S3-M5 Factory Works Plaque
Dinan Deck Lid Badge
Dinan Signature Floor Mats
12 Months/12,000 Miles (whichever occurs first).
For more information, please contact Eric Bateman at 408-779-8584, extension 105.
You can find more information here: