Should I check the MOT history before buying a 2021 BMW 330e M Sport Auto?

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 330e M Sport Auto?

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 330e M Sport Auto?

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 330e M Sport Auto reliable?

Based on MOT data from 6,425 vehicles, the 2021 BMW 330e M Sport Auto has a first-time MOT pass rate of 90%, indicating generally reliable for its class. Always check the full MOT history of any specific vehicle before buying.

Do I need an HPI check when buying a 2021 BMW 330e M Sport Auto?

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 330e M Sport Auto (2021)

6,425 real MOT outcomes analysed • 90% first-time pass rate

2021 BMW 330e M Sport Auto

CarHunch analysed 6,425 real MOT records for the 2021 BMW 330e M Sport Auto. 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 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 330e M Sport is a reliable performer, with an 85.3% first-time pass rate that comfortably beats the UK average of 80%, though 14.7% of these vehicles have experienced a dangerous defect at some point—something worth investigating in a pre-purchase inspection. The median mileage of 45,679 miles is reasonable for a three-year-old car, and the low failure rate of 0.31 per vehicle suggests the hybrid powertrain is holding up well, though advisories average 1.3 per car, indicating minor wear items need attention. These are solidly built cars that tend to pass their tests, but given the dangerous defect rate, get a full mechanical check-up covering the braking and suspension systems before committing to a purchase.

The 2021 BMW 330e M Sport Auto passes its MOT first time more often than most UK vehicles (90% vs ~80% average) — and when it does fail, it's usually something minor and cheap to fix.

⚠️ Around 1 in 8 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

90%

UK average ~80%

Better than average

Dangerous (ever)

14.7%

At least once in MOT history

Check this vehicle

Avg failures / car

0.31

Over 2.4 tests on record

Low

Typical mileage

46k

Middle half: 32k–62k

For context

✅ Good baseline reliability. A 90% first-time pass rate puts this well above the UK average — it's a well-sorted vehicle in this age bracket.

🔍 The dangerous defect figure is real. Most are one-off tyre failures or brake issues — not structural problems. But it's exactly why checking the individual vehicle's history is essential, not optional.

These stats describe 6,425 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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See this vehicle's full MOT history & AI hunches

Spot recurring advisories, hidden issues, and how it compares to 6,425 BMW 330e M Sport Auto cars.

Before you buy a 2021 BMW 330e M Sport Auto

Based on MOT data from 6,425 vehicles — here's what to check.

📋 Check the full MOT history. 14.7% 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) (100%)	6,422	90.1%	0.31

Colour Breakdown

Based on 27,309 BMW 330e M Sport Auto vehicles registered in the UK — across all years. From DVLA registration records.

Grey 37.2%

10,153

Black 22.6%

6,165

Blue 20.8%

5,680

White 17.3%

4,714

Red 1.1%

300

Orange 1%

268

Silver 0.1%

Mileage Distribution

Most 2021 BMW 330e M Sport Auto 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.

45,679

typical

32,293

low mileage

62,497

high mileage

Half of all 2021 BMW 330e M Sport Auto vehicles fall between 32,293 and 62,497 miles.

Is the mileage you're seeing normal?

✓ Under 32,293 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.

✓ 32,293–62,497 miles — normal for age. This is where most 2021 BMW 330e M Sport Autos sit.

⚠ Over 84,370 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 330e M Sport Auto — Still on the Road

Almost all 2021 BMW 330e M Sport Autos are still on the road.

Strong survival — 5,630 vehicles still getting MOTs in 2025, 96% 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

2.4

Avg MOT tests per vehicle

0.31

Avg failures per vehicle

1.3

Avg advisories per vehicle

Other model years — BMW 330e M Sport Auto: All 330e M Sport Auto years → Which year to buy? →

2016 2017 2018 2019 2020 2022 2023 2024 2025 2026

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