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2013 Mazda 3 (BM/BN)

Browse our directory of 2013 Mazda 3 (BM/BN) vehicles. Access instant MOT history reports, tax status, and reliability insights for any registration listed below.

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Common Problems & Reliability

1
Serious
1
Moderate
2
Minor

The 2013 Mazda 3 (BM/BN) has 4 known issues. 1 of these are classified as serious faults that could be expensive to repair. 1 are moderate concerns worth inspecting before purchase.

2.2 SkyActiv-D DPF and Oil Dilution

Serious

Short-trip town use causes frequent interrupted DPF regenerations on the 2.2 diesel, allowing diesel to dilute the engine oil. This can accelerate timing-chain, turbo and bottom-end wear. The problem is severe enough to warrant regular oil-level checks between services.

Symptoms: Rising oil level on dipstick, DPF warning light...

Est. repair cost: £300–£4,000

Brake Disc Warping

Moderate

The front brake discs on BM/BN Mazda3s are prone to developing run-out and thickness variation, causing a judder through the steering wheel and brake pedal during braking. This is more common on cars used heavily in town with frequent low-speed stops.

Symptoms: Vibration through steering wheel under braking, Pulsing brake pedal...

Est. repair cost: £150–£350 per axle

Infotainment Ghost Touching

Minor

The touchscreen registers inputs that aren't happening, often while the car is stationary or in slow traffic.

Symptoms: Navigation changing by itself, Radio stations jumping...

Est. repair cost: £200–£500

12V Battery Premature Failure

Minor

The Mazda3 BM/BN is known for draining its 12V battery faster than expected, particularly on models with the i-stop (start-stop) system. Owners frequently report needing replacement batteries after just two to three years.

Symptoms: Slow cranking on cold mornings, Stop/start system not engaging...

Est. repair cost: £100–£180

View detailed Mazda 3 (BM/BN) fault guide

Buying Tips for the 2013 Mazda 3 (BM/BN)

  • ✓Prefer the 2.0 SkyActiv-G petrol over any diesel.
  • ✓Check the infotainment screen for spider-web cracking (delamination).
  • ✓Test the folding mirrors multiple times.

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