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2020 BMW Z4 sDrive30i

The 2020 BMW Z4 sDrive30i is a 255-hp 2.0-liter turbocharged inline-4 with an 8-speed steptronic sport automatic and rear-wheel drive. It starts at $49,700 MSRP and is rated at 27 mpg combined.

It makes 255 horsepower at 5,000 rpm and 295 lb-ft of torque at 1500-4400 rpm. EPA fuel-economy estimates are 24 mpg city and 32 mpg highway (27 mpg combined).

The Z4 measures 170.7 inches long on a 97.2-inch wheelbase and has a curb weight of 3,287 lb.

Spec Value
Vehicle
Body TypeConvertible
PowertrainGas
Price
MSRP$49,700
MSRP with Destination$50,695
Destination Charge$995
Engine
Engine Type2.0L TwinPower Turbo Inline-4 (B46), TwinScroll
Displacement1.998 L
Horsepower255 hp @ 5,000 rpm
Torque295 lb-ft @ 1500-4400 rpm
Bore and Stroke82.0 x 94.6
Compression Ratio10.2:1
Injection TypeHigh Precision Injection (350 bar)
Drivetrain
Drive TypeRWD
Differential TypePerformance Control
Transmission
Transmission8-Speed Steptronic Sport Automatic
1st Gear5.25
2nd Gear3.36
3rd Gear2.17
4th Gear1.72
5th Gear1.32
6th Gear1
7th Gear0.82
8th Gear0.64
Reverse3.71
Final Drive3.15
Fuel Economy
City24 MPG
Highway32 MPG
Combined27 MPG
Recommended FuelPremium
Tank Capacity13.7 gal
Suspension
Front SuspensionDouble-joint spring-strut axle, lightweight aluminum-steel
Rear SuspensionFive-link axle, lightweight aluminum-steel
Tires & Wheels
Wheels Front8.0J x 18
Wheels Rear9.0J x 18
Tires Front225/45R18 95Y
Tires Rear255/40R18 99Y
Dimensions & Weight
Length170.7 in
Width73.4 in
Height51.4 in
Wheelbase97.2 in
Front Track63.7 in
Rear Track63.5 in
Ground Clearance4.7 in
Cargo Volume9.9 ft³
Curb Weight3,287 lbs
Weight Distribution (F/R)50% / 50%
Interior
Headroom Front38.9 in
Legroom Front42.2 in
Shoulder Room Front54.3 in

Safety & Recalls

NCAP safety ratings

Tested, but no star ratings were published (2020 BMW Z4 C RWD).

Recalls

6 recalls on file with NHTSA for the 2020 BMW Z4. Not every recall applies to every trim or VIN — check yours at nhtsa.gov/recalls.

Sep 23, 2025 · ELECTRICAL SYSTEM:STARTER ASSEMBLY:RELAY Park outside

BMW of North America, LLC (BMW) is recalling certain 2019-2021 BMW 330i, 2019-2022 BMW Z4, 2020-2022 BMW 530i, X3, X4, Toyota Supra, 2021-2022 BMW 430i, 430i Convertible, and 2022 BMW 230i vehicles. The engine starter relay may corrode, causing the relay to overheat and short circuit.

Consequence: A short circuit in the starter relay may increase the risk of a fire.

Remedy: Owners are advised to park their vehicles outside and away from structures until the remedy is complete. Dealers will replace the engine starter, free of charge. Owner notification letters were mailed February 6, 2026. Owners may contact BMW customer service at 1-800-525-7417. Vehicle Identification Numbers (VINs) involved in this recall became searchable on NHTSA.gov November 14, 2025.

NHTSA campaign 25V636000

Aug 2, 2021 · ENGINE

BMW of North America, LLC (BMW) is recalling certain 2020 M340i, M340i xDrive, 540i, 540i xDrive, X3 M40i, 2020-2021 X4 M40i, 745Le xDrive, 2019-2021 Z4 M40i, and 2020-2021 Toyota Supra vehicles. During engine start, the engine management software may cause loss of braking assist. Full mechanical braking (without assist) remains available.

Consequence: Loss of braking assist can increase the risk of a crash.

Remedy: Dealers will update the engine management software, free of charge. Owner notification letters were mailed on September 17, 2021. Owners may contact BMW customer service at 1-800-525-7417.

NHTSA campaign 21V598000

Nov 12, 2020 · FUEL SYSTEM, GASOLINE:STORAGE:TANK ASSEMBLY

BMW of North America, LLC (BMW) is recalling certain 2020-2021 Z4 and 2020-2021 Toyota Supra vehicles. The weld between the fuel tank halves may have been insufficiently welded, causing the weld to fail.

Consequence: The failed weld may allow fuel to leak, increasing the risk of a fire in the presence of an ignition source.

Remedy: BMW will notify owners, and dealers will replace the fuel tank, free of charge. The recall began December 18, 2020. Owners may contact BMW customer service at 1-800-525-7417 or Toyota customer service at 1-888-270-9371.

NHTSA campaign 20V700000

Aug 27, 2020 · EXTERIOR LIGHTING:HEADLIGHTS

BMW of North America, LLC (BMW) is recalling certain 2019-2020 Z4 sDrive30i, Z4 M40i and 2020 Toyota Supra vehicles. The headlamps are able to be adjusted horizontally. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 108, "Lamps, Reflective Devices and Associated Equipment."

Consequence: Should the headlamps be adjusted horizontally, there could be increased glare and reduced visibility for oncoming drivers, or reduced visibility for the vehicle operator, thereby increasing the risk of a crash.

Remedy: BMW will notify owners, and dealers will inspect the headlamp vertical and horizontal adjustment plugs, correcting them as necessary, free of charge. The recall began December 23, 2020. BMW owners may contact BMW customer service at 1-800-525-7417 or Toyota owners may contact Toyota customer service at 1-888-270-9371.

NHTSA campaign 20V516000

Nov 27, 2019 · EXTERIOR LIGHTING:HEADLIGHTS

BMW of North America, LLC (BMW) is recalling certain 2020 Z4 M40i, Z4 sDrive30i, 330i and 330i xDrive vehicles as well as 2020 Toyota Supra vehicles. The headlight control units may fail causing a loss of one or both of the headlights.

Consequence: Headlight failure can reduce the driver's visibility, increasing the risk of a crash.

Remedy: BMW will notify owners, and dealers will replace the headlight control units, free of charge. The recall is expected to begin January 17, 2020. Owners may contact BMW customer service at 1-800-525-7417 or Toyota customer service at 1-888-270-9371.

NHTSA campaign 19V850000

Sep 27, 2019 · BACK OVER PREVENTION: SENSING SYSTEM: CAMERA

BMW of North America, LLC (BMW) is recalling certain 2018 540d, 2018-2020 530i, 530i xDrive, 540i, 540i xDrive, M550i xDrive, M5, 530e, 530e xDrive, X3 sDrive, X3 xDrive, X3 M40i, X3 M, and 2019-2020 X4 xDrive, X4 M40i, X4 M, X7 xDrive, X7 M50i, 740Li, 740Li xDrive, 750Li, 750Li xDrive, 8 Series Convertible and Coupe 840i, 840i xDrive, M850i xDrive, X5 sDrive, X5 xDrive, X5 M50i, X6 xDrive, X6 M50i, 330i, 330i xDrive, M340i, M340i xDrive, Z4 sDrive, Z4 M40i, 740Le xDrive and 745Le xDrive, 2018-2019 640i xDrive Gran Turismo and Rolls-Royce Phantom, 2019 M850i xDrive Gran Coupe and Rolls-Royce Cullinan and 2020 Toyota Supra vehicles. The back-up camera and display settings can be adjusted such that the rear view image is no longer visible and the system will retain that setting the next time the vehicle is placed in reverse. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) number 111, "Rearview Mirrors."

Consequence: The lack of an image in the back-up camera display increases the risk of a crash.

Remedy: BMW will notify owners, and dealers will update the back-up camera software, free of charge. The recall began November 8, 2019. Owners may contact BMW customer service at 1-800-525-7417 or Rolls-Royce at 1-877-877-3735. Toyota owners may contact Toyota customer service at 1-888-270-9371.

NHTSA campaign 19V684000

5 owner complaints to NHTSA for the 2020 BMW Z4

Owner Complaints

5 owner complaints filed with NHTSA for the 2020 BMW Z4 (1 mention a crash). See all on nhtsa.gov

Most-cited areas
Electrical System2
Engine2
Service Brakes2
Steering2
Structure1
Suspension1
A complaint can cite more than one area.
Most recent complaints
Jul 21, 2026 · Electrical System, Unknown Or Other, Engine
“The engine starter failed on my 2020 BMW Z4 M40i. The vehicle experienced starting failures and the repair shop diagnosed a faulty/shorted engine starter assembly. The symptoms and component failure…”
Feb 19, 2026 · Electrical System
“Engine starter safety recall came out in September 2025, with no remedy or parts existing for fixing it. 5 months later, and no timeframe is provided for a remedy. This is a major fire risk given the…”
Nov 26, 2020 · Steering, Suspension, Service Brakes
“DON'T KNOW WHAT IS CAUSING IT. THERE IS MAJOR SQUEAKING/WHINING/GRINDING NOISE IF EVEN A TINY BIT OF WATER GETS IN THERE AND LAST COUPLE DAYS AFTER THAT. AND WHEN YOU TURN THE STEERING WHEEL TO THE…”
Oct 7, 2020 · Structure, Service Brakes, Engine Crash
“WAS IN A DRIVE THRU ON 9/6/2020 WAITING OUR TURN. APPROX. 7 CARS IN FRONT OF US. AS WE ARE SLOWLY MOVING UP TO ORDER, CAR IN IDLE, FOOT ON BRAKE. AS WE ARE MOVING FORWARD, WHEN WE WERE UP TO 3 CARS…”
Dec 14, 2019 · Steering
“BMW'S LANE DEPARTURE SYSTEM ACTUALLY PULLS THE CAR'S STEERING LEFT OR RIGHT, AND COULD CAUSE THE CAR TO COLLIDE WITH ANOTHER VEHICLE OR RUN OFF THE ROAD. I EXPERIENCED THIS WHILE DRIVING ON THE…”

Complaints are unverified reports submitted to NHTSA by owners. They cover the whole model year, not a specific trim, and a count alone doesn't show how common a problem is.

Source: US National Highway Traffic Safety Administration (nhtsa.gov), matched as 2020 BMW Z4. US-market vehicles only; data cached for up to 7 days.

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