2009 BMW 1 Series 135i Convertible RWD

If you've been searching for a 2009 BMW 1 Series 135i Convertible for sale in Middleton, WI, your search ends here. Middleton Auto Mart has a rare find in stock a twin-turbocharged, rear-wheel-drive BMW convertible with just 75,039 miles that delivers the kind of open-air driving experience most sports car enthusiasts only dream about. This is a driver's car in every sense of the word, and at a price point well below what newer alternatives command.About This 2009 BMW 135i Convertible The 2009 BMW 135i Convertible occupies a unique space in the market compact enough to feel nimble, powerful enough to genuinely excite, and premium enough to turn heads wherever you go. With 75,039 miles on the odometer, this 135i is well into its most reliable ownership window. BMW engines in this era are known for breaking in beautifully by 60,000 miles, and a properly maintained 135i at this mileage still has tens of thousands of engaging, spirited miles ahead of it.The 1 Series Convertible is a niche vehicle that BMW no longer produces in this form. Finding one in the Dane County area with reasonable mileage and the desirable 135i powertrain is genuinely uncommon, which makes this a smart opportunity for enthusiast buyers who know what they're looking at.2009 BMW 135i Performance and EngineThe N54 Twin-Turbo Inline-Six The heart of this vehicle is BMW's legendary 3.0L twin-turbocharged inline-six engine internally known as the N54 paired with a smooth 6-speed automatic transmission featuring Steptronic manual shift capability. In stock form, this engine produces 300 horsepower and 300 lb-ft of torque, numbers that were genuinely supercar-competitive when the car launched and still impress today.The Steptronic system lets drivers take full manual control over gear selection, snapping through shifts paddle-style when the mood calls for it. Rear-wheel drive means every bit of that power goes directly to the pavement the way BMW intended balanced, predictable, and deeply satisfying whether you're cruising through the Wisconsin countryside or carving on-ramps in Dane County traffic.The N54 engine also has one of the most active tuning and enthusiast communities of any modern BMW powerplant, meaning this car responds exceptionally well to responsible modification down the road if that's ever of interest. BMW 135i Features and Interior135i Convertible Trim Highlights The 135i trim represents the top of the 1 Series lineup, and that's reflected in the equipment level. The convertible top retracts smoothly and provides a genuine open-air experience without the weight and complexity of a retractable hardtop. The cabin is driver-focused and well-built BMW's material quality in this era aged far better than many competitors with supportive sport seats, a leather-wrapped steering wheel, and BMW's iDrive infotainment system.Standard features on the 2009 135i Convertible include dual-zone automatic climate control, power windows and mirrors, keyless entry, and BMW's sport-tuned suspension setup that keeps the car planted even when the top is down. The rear seating area is functional for shorter trips, and the trunk, while compact, is usable for weekend getaways across Wisconsin.Why Buy From Middleton Auto Mart in Middleton, WI Middleton Auto Mart has built a reputation in Dane County for carrying quality pre-owned vehicles and being straightforward to work with no pressure tactics, no smoke and mirrors. When a specialty vehicle like a BMW 135i Convertible comes through inventory, it attracts knowledgeable buyers who appreciate a dealer that understands what they're looking at.Located in Middleton, WI, the dealership is conveniently accessible to buyers from all across the Madison metro area and beyond. The team at Middleton Auto Mart takes pride in making the buying process simple and honest, whether you're a first-time buyer or a seasoned enthusiast who knows exactly what they want.Financing a Used BMW Near Middleton, WI Worried about financing a performance vehicle with a unique profile? Middleton Auto Mart works with a network of lenders experienced with pre-owned luxury and specialty vehicles, including buyers across a range of credit profiles. Whether you have excellent credit or are working to rebuild, the finance team can walk you through options that fit your monthly budget without extending you into uncomfortable territory.Buyers from throughout Dane County including Sun Prairie, Fitchburg, Waunakee, and Verona regularly make the easy drive to Middleton Auto Mart to take advantage of competitive financing and a no-pressure experience. Getting pre-qualified is simple and can often be completed before you even set foot on the lot.Frequently Asked QuestionsIs the 2009 BMW 135i a good used car to buy? Yes the 2009 BMW 135i is widely regarded as one of the most rewarding used performance cars available at its price point. The N54 twin-turbo engine is powerful and tuneable, and the rear-wheel-drive chassis delivers a genuinely engaging driving experience. It requires attentive ownership, but buyers who stay on top of maintenance are rewarded with exceptional performance and long-term durability.What does the 135i trim include compared to the 128i? The 135i is the performance-oriented version of the 1 Series. While the 128i uses a naturally aspirated 3.0L inline-six producing around 230 horsepower, the 135i uses the twin-turbocharged N54 engine making 300 horsepower. The 135i also receives a sport-tuned suspension, larger brakes, and a more aggressive overall character it's a meaningfully different car for buyers who prioritize performance. Does the 2009 BMW 1 Series Convertible have a hardtop or soft top? The 2009 BMW 1 Series Convertible uses a fabric soft top rather than a retractable hardtop. It operates electrically and provides good noise insulation when closed. The soft top design keeps overall weight down, which benefits the car's handling balance and performance character.THE SOFT TOP IS NOT FUNCTIONING!! Serving Middleton and Surrounding Areas in Dane County, WI Middleton Auto Mart is proud to serve drivers throughout Middleton and the greater Dane County region. Buyers regularly visit from nearby communities including Waunakee, Verona, Sun Prairie, Fitchburg, McFarland, Stoughton, and Monona. Whether you're coming from the east side of the Madison metro or making the trip from further out in Dane County, Middleton is an easy and convenient destination.If you're coming from the greater south-central Wisconsin region including Sauk County, Columbia County, or Iowa County this 135i is worth the drive. Vehicles with this combination of powertrain, body style, and mileage don't sit long. Contact Middleton Auto Mart Today Ready to get behind the wheel of this 2009 BMW 135i Convertible? Call Middleton Auto Mart today at 608-826-2886 to confirm availability, ask questions, or schedule a test drive. The team is happy to walk you through the vehicle's history, condition, and financing options before you make the trip.Stop by and experience what makes the BMW 135i one of the most celebrated driver's cars of its generation. Located in Middleton, WI, right in the heart of Dane County, Middleton Auto Mart makes it easy to drive home in something exceptional. Reach out today this one won't last.