Know Your MOT

MOT failure rate and common problems for the BMW 740li, and how to check your own car by registration.

Updated 05 September 2026.

9.1%fail rate

BMW 740li MOT failure rate

What a BMW 740li fails its MOT on, and the part that fixes each.

What it fails on, and why

Other20.0% of failures

This covers a range of smaller items, from a non-working horn to a warning light left on.

Exhaust & emissions20.0% of failures

Exhaust failures cover leaks, insecure mountings and emissions over the limit. A blowing exhaust, a failed lambda reading or a diesel that smokes beyond the limit will fail.

The parts that fix each

If your car has just failed, you have 10 working days to fix the items and get a free partial retest. Confirm the exact fitment against your registration or VIN before buying.

For the exhaust & emissions failure: BMW 740li exhaustShop BMW 740li exhaust on AmazonaffiliateFind BMW 740li exhaust on eBayaffiliate

Other models

All BMW models MOT failure rates comparedRanked worst to bestBMW 3 Series MOT failures24.9% failure rateBMW 118 Series MOT failures18.5% failure rateFord Fiesta MOT failures27.1% failure rate

Questions and answers

What is the MOT failure rate of the BMW 740li?

It fails 9.1% of its MOT tests across the DVSA record, from 55 tests.

What do these cars fail their MOT on most?

The most common failure area is other, at 20.0% of this model's failures.