Is the 2017 Bmw 340I reliable?

The 2017 Bmw 340I has 6 complaints filed with NHTSA (0.8x the segment average). Our reliability verdict: above-average. Most common issue: OTHER problems.

What are common problems with the 2017 Bmw 340I?

Top problems: OTHER (3 complaints, avg repair $500); VISIBILITY (1 complaints, avg repair $500); ELECTRICAL (1 complaints, avg repair $500). Issues typically appear around 50K miles.

Are there any recalls on the 2017 Bmw 340I?

No recalls have been issued for the 2017 Bmw 340I.

How much does it cost to fuel a 2017 Bmw 340I?

The 2017 Bmw 340I gets 24 MPG combined. At current US average gas prices, driving 12,000 miles per year costs roughly $2000. See the interactive fuel cost calculator on this page for state-specific pricing.

How much does it cost to insure a 2017 Bmw 340I?

Estimated US average full-coverage insurance for the 2017 Bmw 340I is approximately $2,143/year (sedan-luxury class). Actual quotes vary heavily by state, driver age, driving record, and credit — see the interactive insurance estimator on this page for state-specific pricing.

2017 Bmw 340I

Problems, Recalls & Reliability Report

Above Average

Quick Summary

The 2017 Bmw 340I has 6 owner complaints filed with NHTSA — that's 0.8x the segment average of 8. The most common issue is other problems (50% of all complaints), specifically: driving about 40mph on a straight road, no potholes,on sunny day, temp about 50. sudden explosion and sunroof exploded outward. pulled off road, nothing had struck the car. the sunroof glass was completely shattered. there were no injuries.

Total Complaints

Recalls Issued

—/5

Safety Stars

0.8x

vs Segment Avg

Known Problems(top 4 of 4)

OTHER

3 complaints

50%

• DRIVING ABOUT 40MPH ON A STRAIGHT ROAD, NO POTHOLES,ON SUNNY DAY, TEMP ABOUT 50. SUDDEN EXPLOSION AND SUNROOF EXPLODED OUTWARD. PULLED OFF ROAD, NOTHING HAD STRUCK THE CAR. THE SUNROOF GLASS WAS COMPLETELY SHATTERED. THERE WERE NO INJURIES
• I WAS DRIVING WHEN I HEARD A LOUD EXPLOSION SOUND. I THOUGHT SOMETHING HAD HIT THE CAR. UPON INSPECTION, I NOTICED THE SUNROOF HAD EXPLODED INTO THOUSANDS OF PIECES. THIS OCCURRED ON JUNE 17, 2019.
• While driving down the interstate I-65 South, my sunroof spontaneously exploded. It sounded like a bomb explosion inside my car and could have caused grave danger to myself. There was nothing dropped on my sunroof as the screen remained intact and closed with no damage. This was an upward and out ex

Typical onset: 50K miles Est. repair: $500

“DRIVING ABOUT 40MPH ON A STRAIGHT ROAD, NO POTHOLES,ON SUNNY DAY, TEMP ABOUT 50. SUDDEN EXPLOSION AND SUNROOF EXPLODED OUTWARD. PULLED OFF ROAD, NOTHING HAD STRUCK THE CAR. THE SUNROOF GLASS WAS COMPLETELY SHATTERED. THERE WERE NO INJURIES”

— NHTSA complaint filing

Fuel Cost Calculator for 2017 Bmw 340I

Live EIA prices

Annual miles driven: 12,000

Your state (affects local gasoline price)

Per year

$2,001

Per month

$167

Per mile

16.7¢

MPG

City driving (worst-case MPG)

$2,527/yr

Highway driving (best-case MPG)

$1,500/yr

Based on EPA fuel-economy ratings and EIA weekly retail prices (2026-07-20). Real-world cost varies with driving style, trim/engine, terrain, and traffic.

5-Year Gas Price History

EIA weekly retail data · 2021 → today

Show:

Current

$4.00

5-year low

$2.78

5-year high

$5.01

Since 2021

+27%

Source: US Energy Information Administration weekly retail gasoline prices.

Estimated Insurance Cost for 2017 Bmw 340I

Estimate only, not a quote. Modeled from NAIC + HLDI averages for a hypothetical 35-year-old driver with clean record + full coverage. Your actual quote depends heavily on your age, driving history, credit, ZIP code, and insurer.

Your state (affects local premium average)

Full coverage / year

$2,143

Full coverage / month

$179

Liability only / year

$710

vs US avg

+28%

How this estimate is calculated

US base full-coverage premium$1674

× state (US)1.00x

× vehicle class (sedan-luxury)1.28x

× theft risk1.00x

× safety rating1.00x

× vehicle age1.00x

= Full coverage estimate$2143

Coverage assumed: 100/300/100 liability + comprehensive/collision, $500 deductibles. Data sources: NAIC 2024 + HLDI loss studies.

Maintenance & Warranty

Recommended Bmw 340I Service Intervals

Oil change

10K mi / 12 mo

Tire rotation

10K mi

Brake fluid

24 months

Transmission fluid

60K mi

Engine coolant

100K mi

Spark plugs

60K mi

Cabin air filter

15K mi

Engine air filter

30K mi

Differential (AWD/4WD)

60K mi

Condition-Based Service (CBS) tells you exactly when service is due. Transmission fluid was labeled 'lifetime' but many owners service at 60K-100K.

"Severe service" conditions (heavy towing, extreme temps, city stop-and-go) typically halve these intervals. Always consult your vehicle's owner's manual for the authoritative schedule.

Bmw New-Vehicle Warranty Coverage

Bumper-to-bumper (basic)

4 yr / 50K mi

Powertrain

4 yr / 50K mi

Hybrid/EV battery

8 yr / 100K mi

Corrosion (rust perforation)

12 yr / unlimited mi

Roadside assistance

4 yr / unlimited mi

Corrosion is unlimited miles for 12 years

These are the terms for a new Bmw. If you're buying a used 2017 340I, remaining coverage is usually pro-rated from the vehicle's original in-service date. Not all coverage transfers between owners — check with a Bmw dealer for VIN-specific remaining warranty.

Estimated Repair Costs

OTHER(~50K mi)

$500

VISIBILITY(~50K mi)

$500

ELECTRICAL(~50K mi)

$500

ENGINE(~50K mi)

$500

Estimates based on average reported repair costs. Actual costs vary by location, shop, and severity.

🔍 Pre-Purchase Inspection Checklist

Based on 6 owner complaints for this specific year, here's what to check or ask about:

☐
OTHER: DRIVING ABOUT 40MPH ON A STRAIGHT ROAD, NO POTHOLES,ON SUNNY DAY, TEMP ABOUT 50. SUDDEN EXPLOSION AND SUNROOF EXPLODED OUTWARD. PULLED OFF ROAD, NOTHING HAD STRUCK THE CAR. THE SUNROOF GLASS WAS COMPLETELY SHATTERED. THERE WERE NO INJURIES
Typically appears around 50K miles. Repair cost ~$500
☐
VISIBILITY: DRIVING ABOUT 40MPH ON A STRAIGHT ROAD, NO POTHOLES,ON SUNNY DAY, TEMP ABOUT 50. SUDDEN EXPLOSION AND SUNROOF EXPLODED OUTWARD. PULLED OFF ROAD, NOTHING HAD STRUCK THE CAR. THE SUNROOF GLASS WAS COMPLETELY SHATTERED. THERE WERE NO INJURIES
Typically appears around 50K miles. Repair cost ~$500
☐
ELECTRICAL: 2017 BMW 340I. CONSUMER WRITES IN REGARDS TO MILEAGE DISCREPANCY. THE CONSUMER STATED THE COMPANY OFFLEASEONLY WAS RUNNING A SCAM, WHERE THEY ADVERTISE LOW MILEAGE CARS WHEN IN ACTUALLY THE MILEAGE IS CONSIDERABLY HIGHER.
Typically appears around 50K miles. Repair cost ~$500
☐
ENGINE: My BMW had a pinhole in the radiator caused by driving on the highway and being impacted by a small foreign object. Apparently a foreign object (rock?) impacted the radiator creating a tiny leak. BMW repaired the vehicle (new radiator) and installed a "Rock Guard" without discussing this new Guard
Typically appears around 50K miles. Repair cost ~$500
☐
General: Get a pre-purchase inspection from an independent mechanic ($100-$200)

Bmw 340I — Year Comparison

How does 2017 compare to other years? Fewer complaints = more reliable.

Full years-to-avoid analysis →

NHTSA Safety Rating

No NHTSA safety rating available

At a Glance

Complaints: 6
Recalls: 0
Fire reports: 0
Crash reports: 0
Injury reports: 0
Segment avg: 8

Check a Specific VIN

See recalls for YOUR 2017 Bmw 340I

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