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OEM Reliability, Proven Performance.
OEM Reliability, Proven Performance. Dinan Cars makes some of the most highly research and developed aftermarket modifications for various models of BMW and MINI’s, some of which include Steve Dinan’s personal 2000 E39 M5, which has what the company calls an “S-2” package. The S-2 Package modifies the OEM Air filtration system, air mass flow meters, independent throttle bodies, remapped ECU (Electronic Control Unit), exhaust headers, header-back exhaust system, VANOS MAPS, dual mass flywheel, differential, strut brace, and new wheels and tires. The OEM air filters are re-routed to down behind the front air ducts with Dinan’s carbon fiber piping because of the proximity to the engine. Dinan and his team found that at 90mph, the big V8 was starved of air, so the use of the new air intake system eliminates that effect. Each of the 8 individual throttle bodies were replaced with shorter, greater diameter bodies to withstand the higher RPM’s the engine was going to take on. With the extra amount of air, the double VANOS is remapped through the electronic control unit. The factory headers are replaced with more free flowing ceramic-coated stainless steel headers, which give the E39’s V8 28 more bhp than stock alone. To replace the rest of the heavy factory exhaust, Dinan connects the ceramic-coated headers with a more free flowing true dual exhaust. To take full advantage of the newly freed up power, Dinan changes the differential with a shorter ratio 3:45:1 limited slip. The final additions are an alloy strut brace and Dinan’s signature 18-inch forged wheels with Michelin’s Pilot Sport 2’s. Weighing in at a hefty 3965 pounds, the E39 M5 drives like a true supercar with Dinan’s S-2 package. The full leather and wood interior make the super sport sedan seem more like a limousine than a sports sedan. Dinan quotes, “You can drive this car at a steady 150mph while drinking a cup of coffee.”

Applications
Dinan Cars not only produces some of the most highly researched and developed BMW and MINI’s, Dinan also makes some of the most smooth and crisp high horsepower ones. The top model, BMW M3 SR-3, is worth almost double ($100,000) what you can purchase it for at a dealer and the car has every right to be so pricey. Dinan’s S3-R M3 is just what BMW designed the car to be, but better in performance and handling without the uptight feel of a traditional racecar. The attributes that make the S3-R M3 so special are the Vortech gear-driven supercharger, air-to-air intercooler, bigger fuel injectors, better oil cooler and radiator, and a new engine tune to perfect all of the newly added horsepower. This set up gives the S3-R M3 a total of 462 hp and 328 lb-ft of torque at the flywheel. To put all of the horsepower to the pavement, Dinan adds a 3.91 Limited slip differential, Dinan/JRZ adjustable strut/springs, front camber plates, better suspension bushings, bigger brakes for the front and rear, and wider Michelin Pilot Sport 2’s on Dinan’s signature 19-inch Alloy wheels. The variety doesn’t stop with BMW. Dinan also designs and manufactures aftermarket performance parts for MINI that is supported by Dinans 4 year/50,000 mile warranty to match the factory BMW and MINI warranty program. Dinan’s MINI cooper S, Stage one, produces 225bhp compared to the stock 180hp. This bhp upgrade is done without increasing the stock boost pressure. The modifications that Dinan has changed on his “Stage one” MINI include Stage 3 engine software which allow the engine to breathe better, High flow cowl induction intake, twin 3-inch diameter free flowing exhaust, and a strut tower brace. In true Dinan fashion, the performance of the car cannot be increased without the addition of better delivery. Most tuners strive for the most rigid and stiff ride they can go for without the thought of the driver in mind. Dinan has quality in mind, so he shot for a comfort ride at low and medium speeds without sacrificing the high-speed stability and handling. [1 Kuah 65] The Dinan Stage one MINI Cooper S is one of the most high quality ride MINI coopers that one can buy.