Used BMW 2 Series F22 (2014-2021): Buyer's Guide

BMW settled a class action lawsuit over the N20 engine's timing chain in 2021. The settlement covered 2014-2015 228i Coupes and Convertibles — the same ones you'll find flooding the used market today at prices that look attractive until you learn the full story. Before the settlement, BMW extended the N20 timing chain warranty to 7 years/70,000 miles. Every 2014-2015 228i you test drive either had that work done or carries a ticking clock under the hood. At $3,000-$5,000 for a timing chain replacement, that changes the math on a $16,000 car.

That's why this guide exists. The F22-generation BMW 2 Series isn't one vehicle with one reliability profile. It's four distinct powertrains — the N20, N55, B46, and B58 — with sharply different ownership experiences. Get the right one and you have one of the best driver's cars under $35,000. Get the wrong one without doing your homework and you're managing a repair queue that never quite empties.

This Generation at a Glance

The F22 launched in 2014 as the spiritual successor to the 1 Series Coupe, built on BMW's rear-wheel-drive platform. It came in two body styles: the F22 Coupe and F23 Convertible. Both are two-door with rear-wheel drive by default; xDrive AWD was available on most powertrain configurations.

The generation ran from 2014 through 2021 with a meaningful mid-cycle refresh in 2017. That refresh mattered: new B-series engines replaced the aging N20 and N55, new hexagonal LED headlights arrived, iDrive Version 5 replaced V4, and the model names changed from 228i/M235i to 230i/M240i. The 2017 facelift is the clearest dividing line in this generation.

xDrive AWD costs roughly 1-2 MPG combined on every variant. The M2 (F87), launched in 2016 with the S55 engine, shares the platform but is a distinct model with a wider body and different suspension geometry. This guide covers the 228i, M235i, 230i, and M240i only.

See current BMW 228i pricing and inventory and current BMW 230i pricing and inventory on CarScout.

Powertrain and Trim Breakdown

N20 Engine — 228i (2014-2016)

The N20 2.0-liter turbo four is the engine that gave this generation its cautionary reputation. Between 2012 and 2015, BMW's N20 and N26 engines developed a timing chain tensioner failure pattern that led to a federal class action lawsuit. BMW extended the limited warranty on affected timing chains to 7 years/70,000 miles, then settled the lawsuit in 2021, providing reimbursement for prior out-of-pocket repair costs. The 2014-2015 228i Coupe and Convertible are specifically named in the settlement.

The failure mode: reduced oil pressure at the timing chain tensioner allows the chain to skip timing. Symptoms include a rattling sound on cold starts that does not fade with warmup. By the time the rattle is audible, damage is usually in progress. Repair cost: $3,000-$5,000 at an independent BMW shop, more at the dealer. BMW issued a TSB (SIB 11 02 21) documenting the diagnosis and repair procedure.

The 2016 228i tells a different story. BMW updated the N20 tensioner design in early 2015, and 2016 production units carry the corrected hardware. The class action settlement specifically named 2012-2015 model year vehicles, not 2016. If you're set on an N20 car, the 2016 is the safer buy within this powertrain family.

All N20s share BMW's standard cooling system maintenance schedule: electric water pump and thermostat replacement at 60,000-90,000 miles, running $1,200-$1,400 at an independent shop. Carbon buildup on direct-injection N20s starts accumulating around 50,000-60,000 miles. Walnut blasting restores idle quality and low-end response; independent specialists charge $300-$400, dealers charge $700-$1,000.

One more item: the NHTSA water pump fire risk recall (campaign 24V-608, issued August 2024) affects 228i models from model years 2012-2018. An improperly sealed electrical connector on the electric water pump can short circuit and cause a thermal event. BMW dealers inspect and, if necessary, replace the water pump and install a protective shield at no cost. Any 228i you're considering should have this recall checked or completed.

N20 verdict: The 2014-2015 228i demands documented timing chain service history or a significant price concession. The 2016 is the safer N20 purchase. Whatever year you choose, confirm the 24V-608 recall is resolved.

N55 Engine — M235i (2014-2016)

The N55 3.0-liter single-turbo inline-six is a different story entirely. The catastrophic timing chain failure that plagued the N20 never materialized on the N55. What you get instead is a more manageable set of known issues on a far more rewarding engine.

The N55 charge pipe is the first thing to understand. BMW routed a plastic charge pipe between the intercooler and intake manifold on the N55. Heat cycling causes the plastic to embrittle and crack over time, resulting in a boost leak that drops the car into limp mode. Symptoms: sudden power loss under acceleration, a "Drivetrain Malfunction" warning on the dash, and a hissing or whistling sound under boost. This typically occurs after 50,000-75,000 miles on a stock car. The OEM plastic replacement pipe costs $100-$150. Most owners upgrade to an aluminum unit ($150-$250 for the part) that eliminates the failure mode permanently. Total repair cost with labor: $250-$500. If the previous owner already did this upgrade, the issue is resolved for the life of the car.

Carbon buildup affects all direct-injection engines including the N55, accumulating on intake valves starting around 60,000 miles. Plan for walnut blasting on the same timeline as the N20. N55 owners also report occasional VANOS solenoid faults (variable valve timing actuators) over 80,000 miles; replacement runs $200-$400 per side. Cooling system maintenance follows the BMW pattern: electric water pump and thermostat around 60,000-90,000 miles.

The N55 M235i comes with BMW's M Sport suspension standard, meaning firmer damping and stiffer bushings than the 228i. Control arm bushings wear faster on hard-driven examples; expect $600-$1,200 for front control arm bushing replacement by 70,000-90,000 miles if the car has lived an enthusiastic life.

What owners across BimmerFest, BimmerPost, and the 2Addicts forum consistently report about the M235i: the engine is linear and punchy, the chassis communicates precisely, and the car handles with a balance that feels rare at any price. The N55 M235i is the sleeper in this generation.

N55 verdict: The M235i is the best value among the pre-facelift models. Reliable with proactive charge pipe maintenance, more engaging than the 228i at any mileage. An aluminum charge pipe and documented cooling service history makes this car a strong buy.

B46 Engine — 230i (2017-2021)

The B46 replaced the N20 in the 2017 refresh and is a meaningful step forward. The timing chain design is revised. The variable valve timing system is updated. Power increased to 248 hp from 240 hp, with torque available across a broader RPM range.

B46 owners report several recurring issues at higher mileages. Oil leaks from the valve cover gasket are the most common: the rubber gasket hardens through repeated heat cycling and begins seeping at 60,000-90,000 miles. The smell of burning oil from the engine bay or oil pooling in the spark plug wells are the tell-tale signs. Valve cover gasket replacement runs $300-$600 at an independent shop and is not a complex repair. Oil consumption is also higher than expected on some B46 units. Owners report using 1 quart per 5,000-7,000 miles, which BMW considers within specification but which requires monitoring between oil changes.

Cooling system maintenance follows the BMW pattern familiar from the N20. The plastic expansion tank and coolant hoses begin failing at 80,000-100,000 miles. The electric water pump can fail progressively rather than suddenly, making it easy to miss until the engine begins running warm. Budget $1,200-$1,500 for water pump replacement when the time comes. The 24V-608 water pump recall also applies to 2017-2018 230i models — confirm it has been addressed.

Fuel economy on the B46 is the best in the F22 lineup. Real-world owners report 27-28 combined MPG, roughly 1-2 MPG better than the N20 in comparable driving conditions.

B46 verdict: The 230i is the practical choice. Better fuel economy than the M240i, none of the timing chain drama of the N20 228i, and enough power for daily driving. Not the most exciting engine in the lineup, but solid and incrementally better than what it replaced.

B58 Engine — M240i (2017-2021)

The B58 is BMW's strongest engine from this era. Owners with six-figure mileage M240is routinely report no major engine failures, and forum consensus across BimmerPost and the BMW subreddit consistently rates the B58 as one of the most reliable performance engines BMW has ever built.

Known issues on the B58 are real but manageable. Valve cover gasket seepage starts appearing around 70,000-100,000 miles. The rubber degrades through heat cycling and begins allowing oil to seep around the cover edges. Repair cost: $400-$700 at an independent shop. Coolant loss from the expansion tank and hoses is the other recurring complaint. Plastic degrades, small cracks form, and coolant levels drop gradually. Some owners discover the problem only when the low-coolant warning triggers at 80,000+ miles. Expansion tank replacement is inexpensive ($150-$300 for parts), but the symptom is easy to miss if you don't actively check the reservoir between services.

The B58 does not share the charge pipe fragility of the N55. The revised design is substantially more robust, and stock-power M240i owners rarely report boost leaks. Carbon buildup does accumulate on the B58 on the same timeline as all direct-injection BMW engines; plan for walnut blasting at 60,000-80,000 miles.

The ZF 8-speed automatic paired with the B58 is widely regarded as one of the best modern gearboxes. One important maintenance note: BMW markets this as a "lifetime fill" transmission, but ZF recommends fluid replacement every 60,000-80,000 miles. A car with 90,000+ miles and factory-original gearbox fluid may develop harsh cold-weather shifts or mild torque converter shudder. ZF fluid service costs $200-$400 and fixes the problem in most cases.

What makes the M240i the standout: 335 hp through a gearbox that feels intuitive, rear-wheel drive balance, and daily livability that approaches the M2 without the M2's maintenance costs. Owners on BimmerPost with 150,000+ miles on B58 M240is consistently report the engine is not the item that breaks first.

B58 verdict: The M240i is the best version of this generation. It's the car that rewards someone who does their homework, because the price gap between M235i and M240i narrows significantly on the used market while the reliability gap stays wide.

Coupe vs. Convertible (F22 vs. F23)

The F23 Convertible weighs roughly 200 lbs more than the F22 Coupe and carries a softer chassis tune that blunts the handling precision that makes the 2 Series compelling. It also sells at a higher used price for a car that objectively does less of what the 2 Series does best. The Convertible makes sense for open-air driving as the primary use case. For drivers who bought a 2 Series for the chassis, the Coupe is the right call.

Trim-Specific Notes

The F22 offered four trim lines: Sport Line, Luxury Line, M Sport, and the M Performance models (M235i/M240i). The trim choice changes the driving experience more than the engine choice in some cases.

M Sport is the trim worth finding. It adds the M Sport suspension package, larger brakes, M-specific steering wheel, and visual M Sport styling. The suspension is noticeably firmer, and the handling improvement is real. The tradeoff: M Sport control arm bushings wear 20,000-30,000 miles earlier than on Sport Line cars driven similarly. If you're buying an M Sport, budget for bushings sooner.

Luxury Line is the comfort-oriented option: softer suspension calibration, interior chrome, high-gloss trim. Better ride quality, less dynamic feel. Buyers who won't push the car appreciate the civility.

Sport Line is the entry-level aesthetic package with no suspension changes. The base F22 suspension is still capable — this car handles well regardless of trim.

xDrive AWD adds meaningful traction in snow-country markets at a cost of 1-2 MPG. In warm-weather climates, RWD is the right choice for driving engagement and lower mechanical complexity. High-mileage xDrive examples should have front differential fluid and driveshaft boot condition checked during inspection.

One useful comparison: a 230i with the M Sport package often drives more engagingly than an M240i with the Sport Line package, despite the 87 hp gap. The chassis tune matters as much as the output number.

Which Model Years to Target Within This Gen

The sweet spot is a 2019-2021 M240i under 50,000 miles. The B58 at that mileage hasn't generated the valve cover and cooling maintenance that appears at 70,000+ miles, and the price is usually $5,000-$8,000 less than new-generation G42 equivalents.

The model year to avoid: 2014 228i without documented timing chain service. If the car hasn't had the timing chain addressed under BMW's extended warranty and has over 70,000 miles, the risk is material.

Pre-Purchase Inspection Checklist

Have an independent BMW specialist perform a pre-purchase inspection. These items are specific to the F22 generation — not generic used car advice.

All powertrains — check these on every F22:

• Start the car cold. Listen for any ticking, rattling, or chain noise in the first 30 seconds of idle. Any sound that follows engine RPM is a concern.
• Remove the oil cap and look for milky residue, which indicates coolant contamination from a head gasket issue.
• Check the coolant reservoir level with the engine cold. If it's low with no recent flush on record, investigate for expansion tank or hose leaks.
• Run the VIN through CarScout's recall lookup to confirm the NHTSA 24V-608 water pump fire risk recall has been completed.
• On the automatic transmission, check behavior when cold and when warm. The ZF 8HP should shift smoothly in both conditions. Harsh cold shifts with no fluid service history at 80,000+ miles signals overdue gearbox maintenance.
• Bounce each front corner of the car and listen for clunking from control arm bushings. Check for vague, floaty steering feel that indicates worn front end components.

N20 228i (2014-2016) — specific items:

• Cold-start chain rattle that does not fade within 30 seconds after startup means the timing chain has stretched or the tensioner is failing. Walk away.
• Ask the seller for timing chain service documentation. BMW dealers record warranty repairs; if there's no paperwork and the car has over 70,000 miles, either the work was never done or records are lost. Price accordingly.
• Confirm the 24V-608 water pump recall is complete. This applies to all 228i models from 2012-2018.

N55 M235i (2014-2016) — specific items:

• During a hard acceleration run (with seller permission), listen for a hissing sound or watch for "Drivetrain Malfunction" on the dash. That's charge pipe failure. Minor fix, but tells you the car has reached or passed the failure threshold.
• Ask whether the charge pipe has been upgraded to aluminum. If yes, this maintenance item is resolved. If no, factor in $300-$500 for the repair and use it as a negotiating point.
• Check for VANOS solenoid codes with an OBD-II reader capable of reading BMW-specific fault codes.

B46 230i (2017-2021) — specific items:

• Pull the dipstick. If the oil is noticeably low with no recent oil change documented, the engine is consuming oil. More than 1 quart per 3,000 miles is a concern.
• Inspect the top of the engine around the valve cover for oil seepage or staining. Brown residue around the cover edges indicates gasket failure in progress.
• For 2017-2018 models, confirm the 24V-608 water pump recall is complete.

B58 M240i (2017-2021) — specific items:

• Check both oil and coolant levels. A B58 on a proper maintenance schedule should show both at spec.
• Inspect the coolant expansion tank closely for hairline cracks. Low coolant with no obvious leak points usually traces back to the tank.
• Confirm ZF 8HP fluid has been serviced. On a 90,000-mile M240i that's never had gearbox fluid changed, harsh cold-shift behavior is the symptom. Fluid service fixes it; neglected gearboxes eventually develop torque converter issues.

Running Costs

All variants require premium fuel. At 15,000 miles per year, annual fuel cost runs $2,900-$3,250 depending on variant and local pump prices.

Known major maintenance intervals across all powertrains:

• Cooling system: Electric water pump and thermostat replacement at 60,000-90,000 miles. Budget $1,200-$1,500 at an independent shop.
• Carbon cleaning: Walnut blasting at 60,000-80,000 miles. Independent shops charge $300-$400; dealers charge $700-$1,000.
• ZF 8HP gearbox fluid: $200-$400. Recommended at 60,000 miles regardless of BMW's lifetime-fill claim.
• Control arm bushings: $400-$1,600 total depending on which components need replacement. Earlier on M Sport cars driven hard.
• Brake pads and rotors: BMWs eat brakes. Budget $500-$800 per axle at an independent shop. M Sport cars with larger rotors cost slightly more.

FAQ

Is the BMW 2 Series F22 reliable? Reliability varies by powertrain. The B58 M240i (2017-2021) is among the most reliable performance cars in its price class, with many owners reporting 150,000-plus miles without major engine failures. The N20 228i (2014-2015) has a documented timing chain issue covered by a class action settlement. The M235i and 230i fall between those two extremes. Know which engine you're buying before evaluating any "reliability" claim about this generation.

Which year BMW 2 Series should I avoid? The 2014 228i is the highest-risk year. The N20 timing chain issue was the subject of a federal class action settlement, and if the chain was never serviced under BMW's extended 7-year/70,000-mile warranty, you face a $3,000-$5,000 repair. Without documented timing chain service history on a high-mileage 2014 228i, either negotiate a meaningful price reduction or move on.

What is the difference between the M235i and M240i? The M235i (2014-2016) uses the N55 3.0-liter single-turbo inline-six producing 320 hp. The M240i (2017-2021) uses the newer B58 3.0-liter inline-six producing 335 hp. The B58 is more refined, more efficient, and more reliable. The M240i also arrived with the 2017 facelift's exterior updates and iDrive V5 infotainment. If both are within your budget, buy the M240i.

How many miles will a BMW 2 Series F22 last? Well-maintained examples routinely reach 150,000-200,000 miles. B58-powered M240i owners report pushing past 200,000 miles with only scheduled maintenance and the expected gasket and cooling work. Deferred oil changes and cooling system neglect are the primary failure modes on these engines — they don't tolerate either well.

Is the BMW M240i worth the premium over the 230i? Usually yes. The M240i costs $3,000-$6,000 more on the used market, delivers 87 more horsepower, and uses the more reliable B58 engine. The ZF 8HP automatic in the M240i (the 230i manual skips it) is one of the best transmissions available. For buyers who will keep the car past 80,000 miles, the B58's reliability advantage over the B46 further justifies the price gap.

Bottom Line

The 2019-2021 M240i is the version to buy in this generation. The B58 engine is the most reliable powertrain BMW put in this platform, and a well-maintained example under 50,000 miles has most of its useful life ahead of it. Run every VIN through a recall check to confirm the 24V-608 water pump recall is complete. On any 228i, require timing chain service documentation before committing. On the M235i, confirm the charge pipe situation and treat it as a minor negotiating point rather than a dealbreaker.

CarScout members can track price drops on specific trim and year combinations as they hit the used market. Find current M240i and 230i listings at usecarscout.com.

Data sourced from NHTSA recalls database, EPA fuel economy data, BMW timing chain class action settlement records, and real owner experiences from BimmerFest, BimmerPost, the 2Addicts BMW forum, and r/BMW. See the full BMW 230i market data and BMW 228i market data for current pricing and inventory.