2005 Mini Cooper convertible problems
The Mini (stylised as MINI) supermini range, marketed under various names such as Mini Cooper, Mini Hatch, Mini Hardtop, Mini One, and Mini John Cooper Works, are a family of retro-styled three-door hatchback, two-door convertible, and five-door hatchback (since 2014). The range was introduced in July 2001, following the acquisition of the Mini brand by German automaker BMW.
BMW first unveiled the Mini hatch concept car at the 1997 Frankfurt International Motor Show, when the Mini brand was still part of the BMW-owned Rover Group. Developed as a successor to the original Mini, the styling of the concept car was well received by the public and further developed. The new Mini range was launched by BMW in 2001, one year after their sale of the Rover Group in March 2000, and the classic Mini's discontinuation that same year. Under BMW ownership, the brand later grew its line-up by adding larger models such as the Clubman in 2007, the Countryman in 2010, the Paceman in 2012, and the Aceman in 2024.
The second generation was launched in 2006 and the third, adding a longer 4/5-door hatchback, in 2014. A two-door convertible version was added in 2004, followed by its second generation in 2008. With the launch of the fourth generation in 2024, the Mini Hatch has been renamed to Mini Cooper.
BMW also developed several battery electric versions of the Mini, starting with the Mini E in 2009 developed only for field trials, followed by the mass-produced Mini Electric in 2019, and succeeded by the Mini Cooper E/SE in 2023 which uses a dedicated electric vehicle platform.
Mini models under BMW ownership are produced in Cowley, Oxfordshire, United Kingdom at Plant Oxford. Between July 2014 and February 2024, 3-door production was shared with VDL Nedcar in Born, Netherlands. The Mini convertible was only assembled in the Netherlands between 2015 and 2024. From 2024, all next generation combustion engined Mini hatch and convertible production will be centred at Oxford. Since late 2023, the electric Mini Cooper is developed and produced in China at the Spotlight Automotive joint venture facility in Zhangjiagang, Jiangsu.
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Common 2005 Mini Cooper convertible problems
The 2005 Mini Cooper Convertible is known to have several common problems that owners have reported. These issues can affect the overall driving experience and may require costly repairs if not addressed promptly.
- Automatic Transmission Failure: Mini Cooper owners have reported failure of the automatic transmission at barely over 100,000 miles, particularly with the models produced before 2010
- Timing Chain Movement and Loosening: Another issue reported by Mini Cooper owners is the movement and loosening of the timing chain over time. This can cause slack in the mechanism, leading to strange noises, engine vibrations, or power loss. It is crucial to get this issue repaired as soon as possible, as it can worsen and cause further damage to the vehicle and the engine, ultimately resulting in higher costs.
- Airbag Problems: In 2015, Mini Cooper was affected by the widespread Takata airbag problem that affected several different manufacturers and models. The recall involved 6,063 Mini Cooper models between 2013-2016 for a Takata issue that may cause the airbags to not deploy properly.
- Power Steering Failure: In April 2020, BMW faced a lawsuit for power steering problems in several Mini Cooper models. The issue caused an unexpected and often unpredictable loss of power steering while on the road, which could lead to damage, injury, or even vehicle fires. If you own any of these vehicles, it is recommended to have your power steering checked over by a mechanic if you suspect that something may not be quite right.
- Convertible Top Problems: The convertible top of the Mini Cooper is known to have issues with the sunroof motor, which can become problematic and create an awful noise when operating it.
- Front Suspension Clicking and Creaking: Another common issue on this generation of Mini is that the front suspension can generate annoying clicking or creaking noises as it gets older. The issue lies with the front strut upper bushings, which can become cracked as they age. However, it isn't a terribly difficult job to replace the strut mount bushings, so simply follow the step-by-step guide in your Haynes Mini manual and you’ll soon have silent bushings once more.
- Rear Brakes Binding: One of the more common issues suffered by the Mini of this vintage is a rear brake set-up that starts to bind over time. Oddly, this tends to happen to the rear-right brake more often than it does the left. The issue lies with the routing of the parking brake cable, which can fail to release the right-rear brake completely when you release the handbrake lever. It’s an easy fix though. Just raise the rear of the vehicle and set it on jackstands, then slightly bend the handbrake cable elbow so that it releases completely. Then it’s just a case of adjusting the rear brakes so that they work as intended and all should be well once more.
- Howling Noise from Clutch Release System: The Mini is known to produce a howling noise every time you pull away from rest, particularly when the vehicle is cold. This issue tends to extend throughout the entire journey and is caused by the clutch release system. The only sure option is to replace the clutch assembly and flywheel.
In summary, the 2005 Mini Cooper Convertible has several common problems that owners have reported. These issues can affect the overall driving experience and may require costly repairs if not addressed promptly. Regular maintenance and check-ups can help prevent these issues from occurring or worsening over time.
Is the 2005 Mini Cooper reliable?
Great reliable car that saves you money on gas!
Love the Mini Cooper! Very reliable and runs great. Great on gas mileage and easy to drive!
Are MINI Cooper convertibles reliable?
Is a used Mini Convertible sports reliable? The Mini managed to get a decent ranking result of ninth out of 28 value and small cars in our latest What Car? Reliability survey. Mini as a brand has risen up the rankings in recent years and finished in third place out of 32 car manufacturers; a great result.
What is the most common problem with MINI Cooper?
Issue #1: Engine Overheating in Mini Cooper S (2007-2010)
Oil cooler leaks have also been reported on some vehicles. These problems cause the engine to gradually overheat, leading to coolant loss and severe damage if left unchecked. Head gasket failure is a common result of the engine overheating in the R56 Cooper S.
Is a 2005 Mini Cooper a safe car?
In government crash tests, the 2005 Mini Cooper hatchback earned four stars (out of five) for frontal impacts and four stars for side impacts involving front occupants. In IIHS frontal offset crash testing, the Cooper was named a "Best Pick" among small cars.
2005 Mini Cooper convertible complaints
The NHTSA has received 0 complaints about various vehicle components related to the 2005 Mini Cooper convertible.
You can leave your car complaint via the special form below.
2005 Mini Cooper convertible recalls
The National Highway Traffic Safety Administration (NHTSA) has issued 1 recalls for different components of the 2005 Mini Cooper convertible.
- Manufacturer: BMW of North America, LLC
- Components: AIR BAGS:FRONTAL
- Summary: BMW of North America, LLC (BMW) is recalling certain model year 2005-2006 MINI Cooper and Cooper S vehicles manufactured January 5, 2005, to November 28, 2006, and 2005-2008 MINI Cooper Convertible and Cooper S Convertible vehicles manufactured January 5, 2005, to July 31, 2008. Due to manufacturing, installation, and exposure issues, the front passenger seat occupant detection mat may not function properly and, as a result, the front passenger air bag may not deploy in a crash.
- Consequence: An improperly functioning mat may cause the passenger frontal air bag to be inactive when the seat is occupied, and in the event of a crash, the air bag will not deploy, increasing the passenger's risk of injury.
- Remedy: MINI will notify owners, and dealers will replace the front passenger seat occupant detection mat, free of charge. The recall began on October 12, 2015. Owners may contact MINI customer service at 1-866-825-1525.
Additional sources
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