1997 BMW 540 Racing Dynamics R48 Prototype
Price: $12,500

Exterior: Silver
Interior: Black

Mileage: 90,606
Transmission: 6 Speed


 

This 1997 BMW 540i was modified by Racing Dynamics as a prototype for the R48 package, which included a stroked 4.8L V8 paired with a six-speed manual transmission. The car is finished in Arctic Silver Metallic over a black leather interior, and additional features include Racing Dynamics bodywork, 19″ RH Crosslink wheels, Brembo front calipers, modified suspension, and more. Sold new in California.
The car is finished in Arctic Silver Metallic, and bodywork additions included deeper front and rear bumpers, side skirt extensions, carbon fiber mirrors and rear spoiler, black kidney grilles, and badging. Lighting is handled by Hella LED taillights with matching HID headlights and 5000k HID foglights.
19″ RH Crosslink wheels measure 9″ wide in the front and 10″ in the rear and are wrapped Accelera tires in the front and Michelin Pilot Sport A/S 3 in the rear. The suspension was modified with progressive rate springs, uniquely-valved aluminum dampers, an adjustable 19mm rear anti-roll bar, polyurethane bushings, and a front strut tower brace. Braking is handled by Brembo 4-piston aluminum front calipers with 14.5″ two-piece vented and slotted front rotors, Pagid brake pads, and braided steel lines.
The black leather interior features power-adjustable Comfort seats with articulating backrests. Other equipment includes an electric sunroof, dual-zone automatic climate control, and a power tilting-and-telescoping steering column. Modifications included a short shift kit with a Racing Dynamics-branded knob, a billet aluminum brake handle and pedal covers, and two trunk-mounted 10″ subwoofers with a Kicker amplifier.
A plaque forward of the shifter designates this vehicle as a K48R sedan, with a corresponding serial number ending in 0001.
Instrumentation includes a 155-mph speedometer and a tachometer with a 5,750-rpm redline. The digital odometer indicates just under 91k miles.
The factory 4.0L V8 was stroked to displace 4.8L by Racing Dynamics and fitted with 93mm cast aluminum pistons, an 88.8mm stroke billet steel crankshaft, high-performance camshafts, high-flow nozzles for the piston oil-sprayers, and a blue-painted carbon fiber engine cover. According to Racing Dynamics, the resulting output was 378 horsepower at 5,600 rpm and 376 lb-ft of torque at 3,700 rpm. The factory five-speed automatic transmission was replaced with a six-speed manual that sends power to the rear wheels.
A custom 3″ stainless steel exhaust system features high-flow catalytic converters and a Dinan rear muffler.
The R48 was featured on the cover of a 1997 issue of European Car, a copy of which accompanies the sale.

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