BMW 3 Series VII LCI (G20/G21) — Wheel Fitment & Specs
Overview
The seventh generation of the BMW 3 Series range includes the G20 sedan and G21 Touring (station wagon) variants, produced from October 2018 to 2026. Built on the CLAR platform, it features increased use of high-strength steel and aluminum for improved rigidity and weight reduction compared to its predecessor. The car is available in various markets worldwide with production in Germany, China, Mexico, India, Thailand, Indonesia, Malaysia, Brazil, and Vietnam. Notable changes include a facelift in July 2022, discontinuation of the Gran Turismo model, and introduction of mild hybrid technology.
Wheel fitment
| Bolt pattern (PCD) | 5x112 |
| Centre bore | 66.6 mm |
| Bolt / thread | M14 x 1.25 (bolts) |
| Wheel-bolt torque | 140 Nm |
| Seat type | tapered |
| Factory setup | staggered |
| TPMS | direct |
Aftermarket wheel sizes — read per position:
| Position | Width | Offset |
|---|---|---|
| Front | 6.5J–8.5J | ET12–ET45 |
| Rear (staggered) | 8J–9.5J | ET29–ET45 |
As a rule, each extra 1J of width wants roughly +8–10 ET to keep the wheel tucked. The exact offset and any spacer are confirmed by the fit-check.
UK popularity & demand
Based on DfT VEH0124 vehicle-parc data (2025), there are approximately 467,458 BMW 3 Series on UK roads, placing it in the top 1% of car models by volume across our fitment database. That makes its wheel fitment a high-demand size to keep in stock — one reason we track its exact spec here.
Source: DfT/DVLA licensed-vehicle statistics (VEH0124), matched to the AIWheelTech fitment database.
Engines & drivetrain
| Variant | Engine | Fuel | Power | Drive |
|---|---|---|---|---|
| M340i | 3.0L B58 turbo petrol | petrol | 374 hp | xDrive |
| 330e | 2.0L B48 turbo petrol + electric motor | 292 hp | xDrive | |
| 330d | 3.0L B57 turbo diesel | diesel | 265 hp | xDrive |
| 330i | 2.0L B48 turbo petrol | petrol | 258 hp | xDrive |
| 330Li (China) | 2.0L B48 turbo petrol | petrol | 258 hp | xDrive |
| 320e | 2.0L B48 turbo petrol + electric motor | 252 hp | xDrive | |
| 325Li (China) | 2.0L B48 turbo petrol | petrol | 184 hp | xDrive |
| 320i | 2.0L B48 turbo petrol | petrol | 156 hp | xDrive |
| 320Li (China) | 2.0L B48 turbo petrol | petrol | 156 hp | xDrive |
| 320d | 2.0L B47 turbo diesel | diesel | 150 hp | xDrive |
Performance
| Variant | Power | 0–62 mph | Top speed |
|---|---|---|---|
| 320i | 156 hp | 7.1 s | 149 mph |
| 330i | 258 hp | 5.8 s | 155 mph |
| M340i | 374 hp | 4.4 s | 155 mph |
| 320d | 150 hp | 7.9 s | 138 mph |
| 330d | 265 hp | 5.9 s | 148 mph |
| 320e | 252 hp | 6.1 s | 139 mph |
| 330e | 292 hp | 5.7 s | 143 mph |
| 325Li (China) | 184 hp | 7.3 s | 149 mph |
| 330Li (China) | 258 hp | 5.8 s | 155 mph |
| 320Li (China) | 156 hp | 9.1 s | 137 mph |
Dimensions
| Length | 4709 mm |
| Width | 1827 mm |
| Height | 1442 mm |
| Wheelbase | 2851 mm |
| Kerb weight | 1450 kg |
Body styles & production
| Body styles | Saloon, Touring (estate) |
| Produced | 2018–2026 |
Trim levels
Factory colours
History & notable variants
The G20 was unveiled at the 2018 Paris Motor Show and launched for sale in March 2019. It received a facelift (LCI) in July 2022 with updated exterior styling and interior features including a curved display screen. The M340i model became available in early 2019, followed by the plug-in hybrid variant 330e later that year. Notable awards include Auto Bild Allrad's 'AWD Car of the Year up to €40,000' and What Car?'s 'Best Executive Car'.
Reliability & owner notes
- Pros: Improved rigidity and weight reduction over previous generation; advanced technology features including iDrive 8 system; available mild hybrid and plug-in hybrid variants.
- Cons: No specific cons mentioned in the reference, but potential issues with Apple CarPlay fee previously implemented by BMW (now discontinued).