| AI | Aldon Ignitor (a type of replacement Dizzy) |
| Alto | Alternator |
| Diff | Differential |
| Dizzy | Distributor |
| DOHC | Direct/Dual overhead cam |
| Dyno | Dynamometer (Not a dynamo, it's an engine test bed) |
| ECU | Electronic (or Engine) Control Unit |
| HTMYM | "How To Modify Your Mini" by David Vizard (God) |
| KYMA | "Keeping Your Mini Alive", Mini Magazine publication - Ronseal |
| LCB | Long Centre Branch (exhaust manifold) |
| LSD | Limited Slip Diff |
| Mowog (MoWoG) | Morris Wolseley Garages (also the name of the 800lb gorilla who tightened the flywheel bolts at BL!!) |
| OPRV | Oil Pressure Relief Valve |
| PDWA | Pressure Differential Warning Actuator (built into some brake master cylinders) |
| PRV | Pressure reducing valve (the 2in/2out brake system thing on the bulkhead) |
| Rad | Radiator |
| Ronseal | "Does exactly what it says on the tin", i.e. needs no explanation |
| RR | Rolling Road |
| RTFM | "Read the f***ing manual" |
| SOHC | Single OverHead Cam |
| TBASE | "Tuning BL's A Series Engine" (the Bible) by David Vizard (God) |
| X-drill | Cross-drilled crank/discs |