Overview & Reviews

The BMW Z4 is one of the more intriguing sports cars available. It's the successor to the original Z3 and is presently the company's only two-seat sports car. Defining traits include a front-engine/rear-drive layout, a hunkered-down stance, a long hood and rearward positioning of driver and passenger. While the first Z4 featured a traditional soft top, the current Z4 model has a sleek retractable hardtop that makes this fun-loving roadster a more viable all-weather option.

The current Z4 also represents a slight change in philosophy for BMW's roadster. Not only does it sacrifice ultimate handling for greater ride comfort and overall refinement, but it also employs a highly fuel-efficient turbocharged four-cylinder as its base engine. The result is one of the most well-rounded sports cars money can buy. You'll need a lot of it, though, as the latest Z4 certainly doesn't come cheap.

Current BMW Z4
The current Z4 is offered with rear-wheel drive in three trim levels: sDrive28i, sDrive35i and sDrive35is. The 28i gets a turbocharged 2.0-liter inline-4 that produces 240 horsepower and 260 pound-feet of torque. A six-speed manual transmission is standard, with an eight-speed automatic available as an option. The 35i comes with a twin-turbocharged 3.0-liter inline-6 good for 300 hp and 300 lb-ft of torque; its sole transmission is a seven-speed dual-clutch automated manual (DCT). The 35is utilizes DCT and a revised version of the regular 35i's engine, boasting 335 hp and 332 lb-ft of torque with a temporary overboost function that pumps torque up to 369 lb-ft.

Though the primary distinction between these trims involves what's under the hood, there are some other equipment differences. The sDrive28i comes standard with 17-inch wheels, adaptive xenon headlights, keyless ignition and entry, dual-zone automatic climate control, eight-way power seats, Bluetooth and adjustable driving settings that change the programming for the steering, throttle and (if specified) automatic transmission. The sDrive35i adds 18-inch wheels, sun-reflective leather upholstery and sport seats. The sDrive 35is is similar but comes standard with an upgraded audio system and the performance-themed M Sport package (optional on other Z4s). Option highlights include heated seats and steering wheel, front and rear parking sensors and a navigation system.

In reviews, we've found the latest BMW Z4 to be an impressive and highly refined sport touring car, with a surprisingly roomy interior and decent trunk space as long as the retractable roof is raised. Although the turbo-4 makes less power than the old inline-6, it's got more torque, and fuel economy is substantially improved. Besides its rather agricultural grumble at idle, this is a sweet little engine. Should you want for more, the ultra-smooth and seriously quick six-cylinder models are bound to please.

The Z4 is generally a hoot to drive, especially if you go for the optional M Sport package and leave the adjustable drive settings in Sport mode. However, its reflexes and communication with the driver are a bit lacking due to a numb electric power steering system, a fairly hefty curb weight and a predilection for understeer. Still, we think most buyers will appreciate the Z4's firm yet compliant ride and accomplished all-around performance. A spirited top-down journey in a Z4 is a wonderful way to spend a sunny day.

Used BMW Z4 Models
The current, second-generation BMW Z4 was completely redesigned for 2009, as the previous coupe and roadster models were melded into one with the introduction of a retractable hardtop. The styling was revamped to be more curvaceous and fluid than the avant-garde first generation, while the interior gained some space, style and improved materials.

If you're looking at used second-generation Z4s, there are a few notable changes to keep in mind. From 2009-'11, the base Z4 was known as the sDrive30i, and it featured a carryover 3.0-liter inline-6 that produced 255 hp and 220 lb-ft of torque. The transmission was a six-speed manual or an optional six-speed automatic. This is a superb engine on its own merits, but it's not as fuel-efficient as the subsequent turbo-4, which replaced it for 2012 when the base model became known as the sDrive28i. The eight-speed automatic was introduced at the same time, supplanting the six-speed unit. As for the sDrive35is, it debuted for 2011 along with the M Sport package for lesser models. Finally, the sDrive35i could be had with a six-speed manual of its own until 2015.

The first-generation BMW Z4 was introduced for 2003 with controversial "flame-surfaced" styling. Originally, there were two roadster models available, identified as 2.5i or 3.0i. The 2.5i had a 2.5-liter inline-6 that made 184 hp, while the 3.0i used a 3.0-liter inline-6 that generated 225 hp. For transmissions, there was a five-speed manual (standard on the 2.5), a six-speed manual (standard on the 3.0), a five-speed automatic or a six-speed sequential manual gearbox (SMG). Standard equipment included 16-inch wheels (17s for the 3.0i), a manually operated soft top (with rear glass) and leather upholstery for the 3.0i. Major options included a power top, xenon headlights and a navigation system.

A significant update occurred for 2006, including the debut of the fixed-roof Z4 Coupe and revamped trim levels with new engines -- the 3.0i (215-hp inline-6) and 3.0si (255-hp inline-6). The Z4 Coupe was offered in 3.0si trim only. A six-speed manual transmission was standard on every Z4, while a six-speed automatic was optional. The largely disliked SMG transmission was dropped. Other changes included a retuned standard suspension for better ride quality, a revised final-drive ratio for improved acceleration and updated styling. High-performance M versions of the Z4 were also offered and are reviewed separately here.

Although we prefer the updated 2006-'08 models, every first-generation BMW Z4 rewarded drivers with an engaging driving experience. In reviews, our editors praised the car's sharp reflexes and quick acceleration, though the ride could be a bit rough -- particularly prior to '06 -- and the steering wasn't as communicative as some competitors. The Coupe possessed a slight advantage in terms of handling due to its added body rigidity.

User Reviews:

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  Would be great if I could steer it! - 2003 BMW Z4
  By Joe M - May 9 - 6:50 am

  Very nice and fun to drive, however when the temperature gets over 80 degrees the power electronic steering stops working. This is a known problem to BMW (bulletin # 4515500-02) and a safety issue but they want $3000 to fix it. - So much for German Engineering, maybe it never gets above 80 degrees in Baveria!

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  Nice but not for me - 2006 BMW Z4
  By Midlifemom - February 2 - 10:20 pm

  I bought this Z4 two years ago and only drive it 6000 miles a year. The seats are uncomfortable despite their quality, and the shifter/armrest arrangement causes one to slurp to the right while driving- ends up uncomfortable. Vision is not good on Left. Wonderful car, so very beautiful, but harsh on the highway with run flats. Runs like the wind, hits 100 right away. Chippy in the tracks on the interstate, enormous blind spot, not easy to back up. Just not comfortable enough for a daily driver or frequent driver. Reliability superb, but I have to crawl out of it. When I saw it, I simply had to have it, then never drove it much and it just sat in the garage. Nice, but think twice.

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  The Good and the Bad - 2003 BMW Z4
  By Jason Y. - January 3 - 12:49 pm

  Shortly after purchasing it used at 59,200 miles, the coolant light came on so I filled it up when the engine was cold and it continues to leak whenever the coolant expands with a hot engine. Im guessing the coolant expansion tank is cracked. Other than the above mechanical issue this car draws a lot of semi-truck drivers attention and praises and other people on the road also. It feels like this car has sticky glue on the tires during fast turns. Manual 6-speed transmission shifts wonderfully. Not the fastest car on the road against say a Ford 500GT or any other hot rods but this Z4 has the right balance between styling and performance.

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  Disappointed - 2003 BMW Z4
  By Eric Morales - November 24 - 2:26 pm

  If you buy these cars, expect to shell out big bucks for repairs. We have an extended warranty which so far has been of no use because of water leakage. The top wouldnt open because of a leak. BMW at least paid for labor, parts still cost us 800.00. Now the wipers stopped working. Some part cracked and water again somehow got in. Going to cost 1100.00 to fix and again, its not covered under the warranty. Great looking and handling car, but poorly built. Will never buy a BMW again.

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  Plus and Minus - 2003 BMW Z4
  By zzzzzzzzippy - November 14 - 2:45 am

  Bought our jet black 03 with 23,750 mi. on it (our 5th sports car, out 1st BMW). 2.5L eng, Premium and conven. packages, auto trans, 18" ellipsis wheels w/RFTs. Handles well. Electric steering so it gives no feedback thru steering wheel. Accelerates well, esp between 45 and 80. Seat bottoms arent very comfortable after 45 min. Less interior storage space than a Miata. Roomy trunk for a sports car (no spare tire w/RFT pkg). Electronic displays are hard to read in daylight. Dynamic Stability Control necessitates alignments being performed by dealer - $90. Dealer oil changes are $90. Beautiful car that draws lots of attention from other drivers and pedestrians. Shrinking violets need not apply!

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  youll never know - 2004 BMW Z4
  By mike1 - September 30 - 10:00 am

  Unless your Z4 is headed for the track,youll never know just how really good it is.I have yet to find the limits of the cars handling.I have owned several BMWs,they are always as good the day you sell them as the day you drive it off the lot.Think of how you cant wait to get rid of most cars after a couple years of driving,youll never feel that way about your Z4

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  2003 BMW Z4 Premium/Sport Everything Rvw - 2003 BMW Z4
  By Jermy1304 - August 20 - 9:39 pm

  I was shopping for a sports car and shortly after driving this car I fell in love with it. The handling is amazing and its got some "get up and go". I will warn you, IT IS A HIGH MAINTENANCE VEHICLE. I bought it 4 months ago with 62k and have had to do 10x as much work as I ever did on my Toyota Tacoma in 2 years. Convertible top doesnt work, Tire sensors were malfunctioning, Turn signal went out, Windshield Wipers malfunctioned, cant jack it up because it is so low, inconvenient access to almost everything, chews up tires because negative camber is set at 3% stock (change to 2% at next alignment )...and still, I am planning to buy a 2009 Z4 because they are THAT FUN! Warning: Chick Magnet.

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  2009 z4 review - 2009 BMW Z4
  By patrice03 - June 16 - 12:51 am

  Quick, stable, comfortable, fun to drive and superb cabin atmosphere, but too heavy roadster. Should go on diet to match boxster driving experience.

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  First model year blues - 2003 BMW Z4
  By Mike W - May 4 - 10:10 am

  I bought the car in January to just drive in good weather. While the car is fun to drive, it only gets 20mpg on premium. In 4 months I replaced the valve cover, oil pan and oil filter gaskets. My mechanic said this is nothing out of the ordinary. The drivers air bag light will not turn off, 5 other sensors do not function, the side mirror control does not work, the drink holders do not come out, the radio and single disk CD player have problems, etc. I wrote to BMW given these are non-mileage issues and no response. I was used to Nissan "Z" cars that go and go with no problems. What a disappointment.

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  Only 2.0L but still a lot of fun - 2005 BMW Z4
  By Rene - April 4 - 4:48 pm

  I went for the 2.0L rather than 3.0L (the in between 2.5L made no sense to me) because it is a long term car so running costs are important. The lighter engine means this is the best handling car I have ever driven. I can blast round beds, be they sharp corners or sweepers at speeds that make my hair tingle. I used to race stock cars and have had a Morgan +8 - the Zed 4 is better. Blasted across Germany at 90-120mph and got 41 miles per gallon. I live in London and still get 30mpg. I love the looks (pre-facelift) and always stare at the car when leaving it. Driving does not get much better.