2010 BMW Z4 sDrive35i �€" Twin-Turbo Roadster with Power
Retractable Hardtop Why This Car Is Special The 2010 BMW Z4
sDrive35i represents a significant turning point in the Z4's
history. BMW completely redesigned the second-generation Z4 for
2009, and the big news was not just the new styling �€" it was the
switch from a traditional soft top to a power retractable hardtop.
For the first time, Z4 buyers got the open-air experience of a
roadster combined with the structural rigidity, weather sealing,
and cabin refinement of a coupe. That three-piece folding hardtop
opens and closes in about 20 seconds and stows completely in the
trunk. It was a genuine engineering achievement that changed the
character of the car. The sDrive35i designation is the one you
want. It identifies this car as the top non-M variant in the 2010
Z4 lineup, and it means this roadster left the factory with BMW's
N54 engine under the hood. The N54 is a 3.0-liter twin-turbocharged
inline-six that produces 300 horsepower and 300 lb-ft of torque.
BMW enthusiasts who followed the 135i and 335i already knew this
engine well �€" it was the same unit that powered those cars and
earned a reputation as one of the most tunable production engines
BMW had built in years. Ward's Auto named the N54 to its 10 Best
Engines list multiple times during this period. In stock form, it
pulls cleanly from low rpm and delivers a linear surge of power
through its mid-range that a naturally aspirated engine simply
cannot replicate. This is not a base-model roadster with a
warmed-over four-cylinder. It is a legitimate performance car
dressed in a two-seat open-top body. At a sub-$18,000 price point,
the 2010 BMW Z4 sDrive35i is one of the more compelling performance
values currently available in the used market. You are getting a
German-engineered twin-turbo roadster with a premium interior and a
folding hardtop �€" the kind of car that cost over $50,000 new �€"
at a fraction of its original MSRP. Features List - N54 3.0L
Twin-Turbo Inline-Six, 300 horsepower - 6-Speed Automatic
Transmission - Power Retractable Hardtop - Dual Exhaust Outlets -
Sport Alloy Wheels - Leather Bucket Seats in Cream Beige - Center
Console - Power Windows - Tachometer - Air Conditioning -
Multifunction Steering Wheel - iDrive Infotainment System
Mechanical The N54 engine in this 2010 BMW Z4 sDrive35i is a
twin-scroll, twin-turbocharged 3.0-liter inline-six with direct
fuel injection. BMW rated it at 300 horsepower at 5,800 rpm and 300
lb-ft of torque available from 1,400 rpm all the way to 5,000 rpm.
That wide torque band is what makes the car feel so strong in
everyday driving �€" you do not need to rev it out to access the
power. The turbos spool quickly and the delivery is controlled
rather than abrupt. The 6-speed automatic transmission paired here
uses a torque converter and responds well to paddle or
console-mounted manual inputs. BMW tuned this gearbox specifically
for the Z4 application, and it manages the N54's torque output
without drama. Some buyers will always prefer a manual in a
roadster, and that is a fair preference �€" but this automatic does
not compromise the car's performance credentials. Zero to 60
arrived in around 5.0 seconds when this car was new, which remains
a respectable number well over a decade later. The Z4's suspension
architecture uses a double-wishbone front setup and a five-link
rear, both tuned to balance daily drivability with genuine handling
capability. BMW kept the weight distribution close to 50/50, which
gives the car neutral balance through corners. The dual exhaust
outlets visible at the rear are functional, not decorative �€" the
N54 benefits from the low-restriction dual-exit routing, and the
note at full throttle reflects that. Interior Step inside the 2010
BMW Z4 sDrive35i and the Cream Beige leather interior immediately
sets the right tone. The light-colored leather against the dark
blue exterior creates a classic contrast that photographs well
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