BMW X4 G02 — Wheel Fitment & Specs
Overview
The BMW X4 G02 is a compact luxury crossover SUV manufactured by BMW from 2018 to 2021 as part of its second generation. It shares its platform and basic styling elements with the third-generation BMW X3, featuring dual ball joint front axle and five-link rear axle suspension on BMW's Cluster Architecture (CLAR) platform. Compared to its predecessor, it is lighter by 50 kg and has a slightly larger footprint.
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 | square |
| TPMS | direct |
Aftermarket wheel sizes — read per position:
| Position | Width | Offset |
|---|---|---|
| Front | 8J–10J | ET12–ET42 |
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 20,518 BMW X4 on UK roads, placing it in the top 10% 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 |
|---|---|---|---|---|
| M Competition | 3.0L S58 twin-turbo I6 | petrol | 375 hp | xDrive |
| M | 3.0L S58 twin-turbo I6 | petrol | 353 hp | xDrive |
| M40i (2020-2025) | 3.0L B58B30O1 turbo I6 | petrol | 285 hp | xDrive |
| M40i (2018-2019) | 3.0L B58B30M0 turbo I6 | petrol | 265 hp | xDrive |
| xDrive30d | 3.0L B57D30 turbo I6 | diesel | 195 hp | xDrive |
| xDrive30i | 2.0L B48B20 turbo I4 | petrol | 185 hp | xDrive |
| xDrive25d | 2.0L B47D20 twin-turbo I4 | diesel | 170 hp | xDrive |
| xDrive20d | 2.0L B47D20 turbo I4 | diesel | 140 hp | xDrive |
| xDrive20i | 2.0L B48B20 turbo I4 | petrol | 135 hp | xDrive |
Performance
| Variant | Power | 0–62 mph | Top speed |
|---|---|---|---|
| xDrive20i | 135 hp | 8.3 s | |
| xDrive30i | 185 hp | 6.3 s | |
| M40i (2018-2019) | 265 hp | 4.8 s | |
| M40i (2020-2025) | 285 hp | 4.4 s | |
| M | 353 hp | 4.2 s | |
| M Competition | 375 hp | 4 s | |
| xDrive20d | 140 hp | 8 s | |
| xDrive25d | 170 hp | 6.8 s | |
| xDrive30d | 195 hp | 6 s |
Dimensions
| Length | 4671 mm |
| Width | 1881 mm |
| Height | 1624 mm |
| Wheelbase | 2810 mm |
| Kerb weight | 1735 kg |
Body styles & production
| Body styles | 5-door coupé SUV |
| Produced | 2014–2025 |
Trim levels
Factory colours
History & notable variants
The second generation of the BMW X4 was revealed online in February 2018 as the successor to the F26 model, with sales commencing in July 2018. Notable for its performance variants such as the xDriveM40i and xDriveM40d, it also introduced a mild hybrid system on diesel models starting from spring 2020. The X4 M and X4 M Competition were launched in 2019, marking the first time an X4 received an M version.
Reliability & owner notes
- Pros: Stylish design, powerful performance options, advanced technology features
- Cons: Limited practicality due to sloping roofline, higher maintenance costs compared to standard SUV models