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BMW · Mid-Size SUV · 2018–2026

BMW X4 G02

Weaknesses, engine ratings and buying advice

★★★★★
3.0 / 5.0 · Based on 5 engine variants
Most Fun Engine

480–510 PS

3.0L Biturbo Benzin

Coupé roofline, M drivetrain, 1.9 tonnes — total compromise

Fun to Drive!

Generations

Engine Overview

The BMW X4 G02 is available with 6 engine variants — from 116 to 510 hp.

M40d · Diesel· 340 PS
2018 2026
Be Careful 5 weaknesses
Show all weaknesses →
xDrive20d · Diesel· 190 PS
2018 2026
Be Careful 6 weaknesses
Show all weaknesses →
xDrive30d · Diesel· 258–265 PS
2018 2026
Be Careful 5 weaknesses
Show all weaknesses →
M40i · Benziner· 374 PS
2018 2026
Be Careful 12 weaknesses
Show all weaknesses →
xDrive20i · Benziner· 184 PS
2018 2026
Be Careful 6 weaknesses
Show all weaknesses →
xDrive30i · Benziner· 245–252 PS
2018 2026
Be Careful 6 weaknesses
Show all weaknesses →

The BMW M40d (Diesel, 340 PS) has the B57D30 (3.0L Diesel) — rated: "Be Careful", 5 known weaknesses.

The BMW xDrive20d (Diesel, 190 PS) has the B47D20 (2.0L Diesel) — rated: "Be Careful", 6 known weaknesses.

The BMW xDrive30d (Diesel, 258–265 PS) has the B57D30 (3.0L Diesel) — rated: "Be Careful", 5 known weaknesses.

The BMW M40i (Benziner, 374 PS) has the B58B30 (3.0L Turbo) — rated: "Be Careful", 12 known weaknesses.

The BMW xDrive20i (Benziner, 184 PS) has the B48B20 (2.0L Turbo) — rated: "Be Careful", 6 known weaknesses.

The BMW xDrive30i (Benziner, 245–252 PS) has the B48B20 (2.0L Turbo) — rated: "Be Careful", 6 known weaknesses.

Vehicle Weaknesses

WeaknessCost
✖Recall: Integrated Braking System (IBS)

A production defect in the IBS motor position sensor can cause ABS and DSC to fail. Affected vehicles produced June 2022 to August 2024. BMW replaces the integrated braking system free of charge (Recall 0034670200).

Symptoms: Warning symbols in the cockpit, increased brake pedal force required, ABS/DSC failure message
Ad Integriertes Bremssystem BMW IBSIBS module G02
 Low
!Particulate Filter Clogging — Diesel Engines

Diesel engines in the G02 are prone to particulate filter clogging when used predominantly for short trips. Regeneration requires longer motorway runs. A blocked DPF can trigger engine protection shutdown.

Symptoms: Engine management light, increased fuel consumption, power loss, request to perform a regeneration run
from 80,000 km
Ad Dieselparticulate filter BMW X4 G02DPF cleaning X4
 High
NHTSA Owner Complaints
Average
47 complaints · 2018–2026
Electrical
14
Other
8 ⚠ 2
Brakes
7 ⚠ 2
Engine
6
Engine & Cooling
5

Top Reported Issues

⚠ Electrical (14 complaints)
⚠ Other (8 complaints)
⚠ Brakes (7 complaints)
Source: NHTSA (nhtsa.gov) · 2026-03

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Known Problems and Issues

A total of 43 weaknesses have been documented for the BMW X4 G02 (2018–2026) — 38 engine-related and 5 vehicle-related. Typical issues affect Other, Electronics, Gearbox, Suspension.

X4 (B47D20, 2018–2026) — Be Careful: Timing chain elongation on early models (2014–2016), EGR cooler leak with fire risk (recall), DPF clogging with short-trip use. Power: 190 PS.

X4 (B57D30, 2018–2026) — Be Careful: EGR cooler failure, Timing chain elongation on early models, Turbocharger bearing damage at high mileage. Power: 258–265 PS.

X4 (B57D30, 2018–2026) — Be Careful: EGR cooler failure, Timing chain elongation on early models, Turbocharger bearing damage at high mileage. Power: 340 PS.

X4 (B48B20, 2018–2026) — Be Careful: Timing chain guide rail breaks, Oil filter housing leaking — coolant loss, Coolant bleed line at cylinder head breaks. Power: 184 PS.

X4 (B48B20, 2018–2026) — Be Careful: Timing chain guide rail breaks, Oil filter housing leaking — coolant loss, Coolant bleed line at cylinder head breaks. Power: 245–252 PS.

X4 (B58B30, 2018–2026) — Be Careful: Oil filter disintegrates — engine damage risk, Plastic oil filter housing cracks — coolant/oil mixing, PCV valve / valve cover membrane failed. Power: 374 PS.

X4 M (S58B30, 2019–2026) — Be Careful: Oil cooler leaking from stone impact, Connecting rod bearing wear with tuning, Main bearing shells recall (manufacturing defect 2021). Power: 480 PS.

X4 M (S58B30, 2019–2026) — Be Careful: Oil cooler leaking from stone impact, Connecting rod bearing wear with tuning, Main bearing shells recall (manufacturing defect 2021). Power: 510 PS.

What to watch out for with the BMW X4? See the detailed listing of all engine and vehicle weaknesses in the sections above.

Frequently Asked Questions

What problems and weaknesses does the BMW X4 G02 have? +
The BMW X4 G02 has 38 known engine weaknesses and 5 vehicle weaknesses.
What should I look for when buying a used BMW X4 G02? +
faq.watch_a_none
Which engine is recommended? +
Be careful: S58B30 (3.0L Biturbo), B48B20 (2.0L Turbo), B58B30 (3.0L Turbo), B47D20 (2.0L Diesel), B57D30 (3.0L Diesel). No engine is rated 'Good Choice'. The most fun to drive is the S58B30 (3.0L Biturbo).
Which BMW X4 G02 engine is the most fun? +
The {code} ({displacement}) offers the most driving fun in the BMW X4 G02 — rated: "Fun to Drive!". {description} Same S58 as X3 M, same performance — but less boot space and worse visibility. The lower roofline brings no handling benefit. Those who like the look get the same brutal engine in a slightly less practical package.
Is the BMW X4 G02 worth buying used? +
The BMW X4 G02 requires careful consideration — choosing the right engine variant is crucial.
What horsepower variants are available for the BMW X4 G02? +
The BMW X4 G02 is available with engine variants from 116 to 510 hp. Petrol: S58B30 (3.0L Biturbo), B48B20 (2.0L Turbo), B58B30 (3.0L Turbo). Diesel: B47D20 (2.0L Diesel), B57D30 (3.0L Diesel).

Last updated: February 2026 · All information without guarantee