Should I check the MOT history before buying a 2021 BMW 330?

Yes. Look for recurring advisories — slow-building issues like corrosion or brake wear patterns show up years before they become failures. A full MOT history analysis will highlight patterns that a single test result won't reveal.

What corrosion should I look for when inspecting a 2021 BMW 330?

Check brake pipes, sills, subframes, and chassis legs. Surface rust is normal at this age; structural rust is a serious problem that is expensive to fix and can fail an MOT.

How are tyres and brakes typically on a 2021 BMW 330?

Tyres and brakes are the most common advisory items on vehicles of this age. Budget for replacement if they are near the limit, and factor this into your offer price.

Is the 2021 BMW 330 reliable?

Based on MOT data from 205 vehicles, the 2021 BMW 330 has a first-time MOT pass rate of 91.7%, indicating generally reliable for its class. Always check the full MOT history of any specific vehicle before buying.

What are common problems with the 2021 BMW 330?

The most frequently recorded MOT issues on the 2021 BMW 330 are: Nearside Rear Tyre worn close to legal limit/worn on edge (26.6% of vehicles), Offside Rear Tyre worn close to legal limit/worn on edge (25.8% of vehicles), Nearside Front Tyre worn close to legal limit/worn on edge (13.7% of vehicles). These figures are based on actual MOT test records — search a specific registration on CarHunch to see its individual history.

Do I need an HPI check when buying a 2021 BMW 330?

Yes. The MOT history will not show outstanding finance, insurance write-offs, or stolen status. An HPI check covers these areas and should be part of any used car purchase.

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BMW 330 (2021)

205 real MOT outcomes analysed • 91.7% first-time pass rate

2021 BMW 330

CarHunch analysed 205 real MOT records for the 2021 BMW 330. Real test outcomes — pass rates, defect profiles, mileage data — from verified DVLA records. Updated as new MOTs are recorded.
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AI Analysis Reliability Overview Common Issues Check a Specific Reg Buyer's Checklist Pass Rate by Fuel Mileage Distribution Still on the Road MOT Averages Colour Breakdown Compare Models

The 2021 BMW 330 is a genuinely reliable first-time MOT performer, passing at 91.7% versus the UK average of 80%—a significant 11.7-point margin that puts it in the upper tier for its age and class. The dangerous defect rate sits at 11.7%, which is acceptable rather than alarming, and poses no major buyer concern.

These vehicles are running at sensible mileage for their age (46,300 miles average), which tracks well with normal use. The low failure rate of 0.28 per vehicle combined with modest advisories of 1.4 suggests straightforward maintenance rather than structural gremlins—so if you're considering one, focus your inspection on routine servicing history and brake wear rather than deeper mechanical worries.

We have limited data for the 2021 BMW 330 — treat the figures below as indicative rather than definitive.

⚠️ About 1 in 12 of these vehicles have had a dangerous MOT failure at some point — usually tyres or brakes, and often a one-off issue rather than a persistent problem. The group stats won't tell you which one you're looking at.

First-time pass

91.7%

UK average ~80%

Better than average

Dangerous (ever)

11.7%

At least once in MOT history

Check this vehicle

Avg failures / car

0.28

Over 2.5 tests on record

Low

Typical mileage

47k

Middle half: 33k–57k

For context

These stats describe 205 vehicles as a group. The specific vehicle you're looking at could be the one good example or the one outlier. Run its registration to find out.

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What tends to go wrong

Across 205 vehicles — figures show how many had each issue flagged at least once in their MOT history.

Tyre wear 26.6%

Nearside Rear Tyre worn close to legal limit/worn on edge · Offside Rear Tyre worn close to legal limit/worn on edge · Nearside Front Tyre worn close to legal limit/worn on edge · …

Budget for a full set — on a vehicle this age, tyres are expected consumables. An inspection will confirm how much is left.

Other issues 6.9%

Nearside Rear Child Seat fitted not allowing full inspection of adult belt · Windscreen damaged but not adversely affecting driver's view

Brake wear 2.9%

Rear Brake pad(s) wearing thin

Ask the seller when brakes were last serviced. If they don't know, factor in the cost.

Data covers a 3-year window centred on 2021.

See this vehicle's full MOT history & AI hunches

Spot recurring advisories, hidden issues, and how it compares to 205 BMW 330 cars.

Before you buy a 2021 BMW 330

Based on MOT data from 205 vehicles — here's what to check.

📋 Check the full MOT history. 11.7% of these vehicles have had a dangerous defect recorded - recurring advisories often signal problems years before they become failures.
Search the reg on CarHunch for the full MOT history, reliability stats and a free AI-powered analysis of that exact vehicle.
🔍 Brake pipes, sills and subframes are the key areas on a vehicle this age — structural rust is hard to spot without getting underneath. A mechanic will check all of this before you commit, and give you a concrete basis to negotiate on price. Inspection →
📄 Outstanding finance, insurance write-offs and clocking won't appear in the MOT records — a dedicated history check covers all of this. Our link gets you 20% off automatically. History Get 20% off via CarHunch

Pass Rate by Fuel Type

Fuel type	Vehicles	Pass rate	Avg failures
Hybrid Electric (Clean) (94%)	193	91.6%	0.29

Colour Breakdown

Based on 23,073 BMW 330 vehicles registered in the UK — across all years. From DVLA registration records.

Blue 27.8%

6,413

Grey 23.4%

5,410

Black 21.5%

4,958

White 18.4%

4,252

Silver 4.5%

1,041

Orange 2.3%

532

Red 1.6%

377

Brown 0.1%

Beige 0.1%

Bronze 0.1%

Green 0%

Mileage Distribution

Most 2021 BMW 330 vehicles sit in the blue band. If the vehicle you're looking at is outside it, it's either unusually low or high mileage for its age.

46,613

typical

33,404

low mileage

57,444

high mileage

Half of all 2021 BMW 330 vehicles fall between 33,404 and 57,444 miles.

Is the mileage you're seeing normal?

✓ Under 33,404 miles — lower than most. Could be great, or could be a vehicle that rarely moved. Check test frequency and mileage progression in the MOT history.

✓ 33,404–57,444 miles — normal for age. This is where most 2021 BMW 330s sit.

⚠ Over 77,549 miles — higher than typical. Not necessarily a problem, but check service history and look out for advisory build-up on tyres and brakes.

2021 BMW 330 — Still on the Road

Almost all 2021 BMW 330s are still on the road.

Strong survival — 184 vehicles still getting MOTs in 2025, 98% of the peak.

Based on vehicles from this manufacture year that had at least one MOT test in each calendar year. Data from 2023–2025.

MOT History Averages

2.5

Avg MOT tests per vehicle

0.28

Avg failures per vehicle

1.4

Avg advisories per vehicle

Other model years — BMW 330: All 330 years → Which year to buy? →

2016 2017 2018 2019 2020

Or browse all models: BMW →

Compare with another model

See how the 2021 BMW 330 stacks up against a rival.

A solid choice — agree?