BMW 335i Repair Costs: What to Expect

The BMW 335i, a distinguished member of BMW's acclaimed 3 Series family, first graced the automotive scene in 2006 with its E90 iteration. Renowned for its potent twin-turbo 3-litre inline six-cylinder engine, delivering a formidable 300 horsepower and 300 lb-ft of torque, it promised an exhilarating driving experience coupled with the sophisticated comfort expected of a BMW. Its reputation for strong performance, engaging handling, and a respectable resale value (with an approximate 55% depreciation over five years) has made it a popular choice on the used car market. However, despite its undeniable allure, not all 335i models uphold BMW's legendary standard of quality. Certain production years have become infamous for a range of recurring mechanical and electrical issues, leading to significant repair costs for unsuspecting owners.

If you're contemplating purchasing a used BMW 335i, understanding these potential pitfalls is absolutely crucial. This comprehensive guide will delve into the specific model years that tend to be problematic, detail the most common faults encountered by owners, and provide insights into the typical costs associated with rectifying these issues. Our aim is to equip you with the knowledge needed to make an informed decision, ensuring your BMW ownership experience is one of driving pleasure, not financial strain.

Understanding BMW 335i Reliability

While the BMW 335i boasts impressive performance credentials, its reliability record isn't uniformly stellar across all model years. According to data from RepairPal.com, the BMW 335i as a whole scores a 2 out of 5 for reliability, which is considered below average even for the brand. This lower-than-expected rating is largely attributed to a number of persistent issues that plagued specific production runs.

BMW 335i Years to Potentially Avoid

For those in the market for a pre-owned BMW 335i, it's highly advisable to approach certain model years with caution due to their propensity for significant mechanical and electrical problems. These years have garnered a disproportionate number of owner complaints and have often been subject to official recalls and technical service bulletins (TSBs). Based on various reports, including those from Carcomplaints.com, the following years are frequently cited as problematic:

• 2007 BMW 335i
• 2008 BMW 335i
• 2009 BMW 335i
• 2011 BMW 335i
• 2012 BMW 335i
• 2013 BMW 335i
• 2014 BMW 335i

These models collectively contributed to the BMW 335i ranking 28th out of 31 vehicles in its class for reliability, according to RepairPal.com's 2022 ratings. The issues range from fundamental engine problems to cooling system failures, electrical glitches, and even interior and exhaust system defects.

Detailed Breakdown of Problematic Years and Their Costs

Let's take a closer look at what specifically makes these BMW 335i model years worth avoiding, along with their associated repair expenses where available.

2007 BMW 335i Problems

The 2007 BMW 335i stands out as arguably the most problematic year, with a high volume of complaints reported by owners. Engine-related issues are a primary concern for this model. Owners frequently reported the engine tending to overheat, running roughly, exhibiting poor petrol mileage, and experiencing turbo failure. Beyond the engine, other significant problems included consistently high operating temperatures, alarming instances of vehicles catching fire (even after seemingly minor repairs like headlight replacement), black smoke emanating from the exhaust system, leaky fuel injectors, and malfunctions with the seatbelt presenter arm.

• Average fixing cost for High Temperature: around 4,500
• Average fixing cost for Turbo Failure: around 4,800
• Average fixing cost for Engine Running Rough: around 2,800

2008 BMW 335i Problems

The 2008 model year also saw a significant number of engine-related complaints. Common symptoms reported by owners included a faulty or broken serpentine belt being ingested into the engine, the check engine light illuminating without clear reason, erratic turbo rattling, and in severe cases, complete engine failure. Furthermore, issues with the braking system were reported, specifically ABS pump failure or malfunction leading to brakes not working as expected. Fuel system problems also prevented the engine from running smoothly.

• Typical fixing cost for Broken Serpentine Belt Ingested into Engine: around 3,600
• Typical fixing cost for Turbo Rattle: around 4,700
• Typical fixing cost for ABS Pump Failure: around 3,000

2009 BMW 335i Problems

Owners of the 2009 335i predominantly reported issues concerning the engine and cooling system. The most highlighted problems included recurring oil leaks, the vehicle puffing out heavy white smoke, random engine warning messages appearing, and overheated engines. These issues commonly emerged once the vehicle reached approximately 75,000 to 111,000 miles on the odometer.

• Average repairing cost for Overheated Engines: around 1,000
• Average repairing cost for Reoccurring Oil Leaks: (cost varies significantly based on source of leak)

2011 BMW 335i Problems

The 2011 models primarily suffered from interior and engine-related concerns. Many owners reported that the push start button failed to respond or work properly, and the engine's intake system tended to get clogged with excessive soot build-up. Additionally, some 2011 335i models experienced a loss of electrical power or stalling, overheating of the blower motor wiring, failed rear CV joints, and loosened camshaft housing bolts, alongside other minor electrical or mechanical issues.

2012 BMW 335i Problems

While the 2012 BMW 335i received fewer complaints compared to earlier models, it still had notable issues, particularly with its brakes and cooling system. The National Highway Traffic Safety Administration (NHTSA) issued six official recalls for this year due to poor severity ratings. Owners claimed that the vehicle's brakes sometimes failed to engage, a problem typically arising around 50,000 miles of operation. Cooling system failures were also common, often occurring at approximately 56,000 miles, with an estimated repair cost of about 1,500.

2013 BMW 335i Problems

The 2013 335i model year saw complaints primarily focused on two engine issues: smoke emanating from the engine and worn-out rod or rod bearings. These engine-related troubles typically manifested between 36,000 to 67,000 miles. The NHTSA also issued three recalls for this model year due to user safety concerns.

2014 BMW 335i Problems

With only 30 consumer complaints and two NHTSA recalls, the 2014 models appear to be less problematic than their predecessors. However, two main issues were reported: an exploding sunroof, which typically occurred around 78,000 miles and cost approximately 1,300 to fix, and musty smells emanating from the vehicle's air conditioning/heater vents, commonly arising at 50,000 miles of vehicle operation.

The Most Problematic BMW 335i Years

To provide a clearer picture, let's highlight the top three worst 335i model years based on reported complaints and severity of issues:

The 2007 BMW 335i

This year received the highest number of complaints, totalling 597, and was subject to seven recalls issued by the NHTSA. BMW also issued 640 Technical Service Bulletins (TSBs) for this model. The most significant and costly issues were:

• High temperature (average fixing cost: 4,500)
• Turbo failure (average fixing cost: 4,800)
• Engine running rough (average fixing cost: 2,800)

The 2008 BMW 335i

A total of 449 complaints were reported for the 2008 models, alongside seven NHTSA recalls and 674 BMW TSBs. Key highlighted issues included:

• Broken serpentine belt ingested into the engine (typically costs: 3,600)
• Turbo rattle (typically costs: 4,700)
• ABS pump stopped working (typically costs: 3,000)

The 2009 BMW 335i

The 2009 335i garnered 244 complaints and seven NHTSA recalls due to severe ratings, with BMW also issuing 796 TSBs. Common symptoms highlighted by consumers were:

• Overheated engines (average repairing cost: 1,000)
• Reoccurring oil leaks (repairing cost varies)
• Heavy white smoke coming from the vehicle (repairing cost varies)

Most Common Problems of the BMW 335i

Beyond specific model years, two overarching issues stand out as the most common and impactful problems across various BMW 335i models, particularly in the years to avoid:

1. Engine Failure

Engine-related problems are the most prevalent concern, especially in the 2007, 2008, and 2009 models. Owners frequently report issues such as engine overheating, the check engine light illuminating, poor petrol mileage, rough running or rough idling, and turbo rattles or complete turbo failure. Another significant and dangerous complaint is the broken serpentine belt, which can melt and be ingested into the engine, leading to sudden and complete breakdown without warning. Such an event can be extremely hazardous and frustrating, especially if it occurs on a busy motorway or a deserted road.

2. Cooling System Failure

Cooling system failure is another widespread problem, commonly affecting the 2007, 2009, and 2012 BMW 335i models. Many owners reported experiencing high temperatures within the vehicle cabin even when the air conditioning was active, or critical engine overheating issues that ultimately resulted in a complete cooling system breakdown. Some users even claimed to encounter both symptoms simultaneously. Additionally, coolant leakage was reported by a few owners, attributed to the absence of a proper coolant seal in some production models.

BMW 335i Repair Cost Summary Table

To provide a quick overview of potential repair costs for some of the most common and severe issues across the problematic years, refer to the table below. Please note that these are average estimated costs and actual prices may vary based on location, garage rates, and the specific extent of the damage.

Which BMW 335i Years are Generally Safer to Buy?

While some years of the BMW 335i have a dubious reliability record, not all models are plagued by issues. Based on consumer feedback and graphical comparisons of model years, the following are generally considered safer options for a used purchase:

• 2010 BMW 335i: This five-seater saloon is praised for its powerful acceleration, intuitive handling, and communicative steering. It also features strong brakes and a significantly improved iDrive system, providing the standard BMW comfort and drivability without the widespread reliability concerns of earlier models.
• 2015 BMW 335i: Available in saloon, Sport Estate, and Gran Turismo body styles, the 2015 models are equipped with a robust turbo-four petrol engine, excellent handling control, strong brakes, and generous boot space. These models generally offer a more refined and reliable experience, representing a much safer investment.

Frequently Asked Questions About BMW 335i Repair Costs

What is the worst year for the BMW 335i in terms of reliability and repairs?

Based on extensive consumer complaints and expert reviews, the 2007 BMW 335i is widely considered the worst year for reliability. It had the highest number of reported complaints and was associated with costly issues like high temperature, turbo failure, and engine running rough.

Which BMW 335i years have the most engine-related problems?

The 2007 BMW 335i models are reported to have the most engine-related issues, according to various automotive complaint databases. Common problems included overheating, rough running, poor petrol mileage, and turbo failures.

Which BMW 335i years have the highest complaints of high-temperature issues?

Again, the 2007 models of the BMW 335i series stand out. Reports indicate that this model year has the highest number of consumer and user complaints specifically related to high temperature and engine overheating issues, often leading to significant cooling system repairs.

What makes certain 335i years worth avoiding?

Certain years are worth avoiding primarily due to pervasive manufacturing defects that led to recurring, costly, and sometimes safety-critical problems. These include widespread engine failures (e.g., turbo issues, serpentine belt ingestion), cooling system breakdowns, electrical malfunctions, and even structural issues like exploding sunroofs. The sheer volume of complaints and official recalls for these years indicate a systemic problem rather than isolated incidents.

What are the most common problems with the BMW 335i overall?

The two most common and significant problems observed across the problematic BMW 335i model years are engine failure (including overheating, rough idling, and turbo issues) and cooling system failure (leading to high cabin temperatures and engine overheating).

Which BMW 335i years are generally considered safe to buy used?

The 2010 and 2015 BMW 335i model years are typically recommended as safer choices for used car buyers. These years generally exhibit fewer reported problems and offer a more reliable ownership experience while still providing the performance and luxury expected from a BMW.

Conclusion

The BMW 335i, with its impressive performance and luxurious appeal, can be an enticing option for those seeking a high-quality used mid-size car. However, as this article highlights, it's paramount to approach your purchase with a clear understanding of the potential maintenance and repair costs. While the thrill of driving a powerful BMW is undeniable, the financial implications of owning a problematic model year can quickly diminish that enjoyment.

Therefore, if you're set on acquiring a used BMW 335i, proceed with caution and prioritise thorough pre-purchase inspections. Most importantly, seriously consider avoiding the models specifically mentioned as highly problematic – namely the 2007, 2008, 2009, 2011, 2012, 2013, and 2014 iterations. Opting for the generally safer 2010 or 2015 models could save you significant headaches and expenses down the line, ensuring your BMW ownership experience is as smooth and enjoyable as it should be.

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