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TMJC Guides

Buying, ownership
and model guides.

In-depth guidance for identifying, buying, owning and understanding the cars you are researching.

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Dark grey MINI GP2 (R56) front three-quarter view.

Published Guides

41 published guides

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Dark grey MINI GP2 (R56) front three-quarter view.GuideMINI GP2 originality guide: what to checkHow to authenticate an R56 MINI John Cooper Works GP, including its factory fingerprint, UK/US market differences, replacement parts, modifications, paint and provenance. Published 07/09/2026TMJC Editorial
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Dark grey MINI GP2 (R56) front three-quarter view.GuideLow-mileage classic car buying guide: what to check18 Sept 2026Silver Porsche 911 (996) Turbo X50 Pack in a front three-quarter view.GuidePorsche 996 Turbo X50: how to verify the factory power kit18 Sept 2026GuidePorsche Approved Warranty: what used-car buyers should verify18 Sept 2026Dark brown 1985 Aston Martin V8 Saloon Series 4 “Oscar India” in a front three-quarter view.GuideAston Martin V8 Oscar India: what it means18 Sept 2026GuideJensen Interceptor SP vs 7.2 Mk III: how to identify a genuine SP18 Sept 2026Blue Datsun 240Z Restomod front three-quarter view.GuideClassic car MOT exemption: what it means when buying one17 Sept 2026Shark Blue 2022 Porsche 911 (992) GT3 in a front three-quarter view.GuidePorsche 992 GT3 four-year service: what is actually due?17 Sept 2026Silver 2018 Porsche 911 (991.2) Targa 4 GTS front three-quarter view.GuidePorsche 991.2 Targa 4 GTS: standard vs optional17 Sept 2026Silver 2018 Porsche 911 (991.2) Targa 4 GTS front three-quarter view.GuidePorsche 991 Targa roof: what to check before buying17 Sept 2026GuideBMW E39 540i timing-chain guides: M62 vs M62TU17 Sept 2026Red Porsche 924 Carrera GT in a front three-quarter view.GuidePorsche 924 Le Mans 1980: special edition guide16 Sept 2026