Lot 1409: 2013 BMW Z4 sDrive28i

The 2013 BMW Z4 sDrive28i has below-average reliability, and here’s what you should know:

Key Concerns:

• Timing Chain Issues: The N20 2.0L turbo engine has a well-documented problem with premature timing chain guide wear. This can lead to catastrophic engine failure and typically costs $3,000-$5,000+ to repair. With 90,689 miles on this car, you’re right in the danger zone where these issues surface.

• Common Problems: Oil leaks from valve cover gaskets (usually after 60k miles), electrical system glitches, convertible top hydraulic motor corrosion, and coolant loss issues.

The Numbers:

• RepairPal gives it a 3.0/5.0 reliability rating
• Annual maintenance averages $895 - higher than many competitors
• 12 reported problems for the 2013 model year

Silver Lining: The manual transmission is generally reliable, and parts are readily available since this was a mass-produced BMW engine.

My Take: This isn’t the most reliable sports car choice. If you’re seriously considering it, definitely get a pre-purchase inspection that specifically checks the timing chain condition. Listen for any whining noises from the engine - that’s the early warning sign of timing chain failure.

Would you like me to help you find some more reliable sports car alternatives, or do you have questions about what to look for in a pre-purchase inspection?