The BMW P92B36 is a 3,598 cc, twin — turbocharged V8 petrol engine produced from 2022 onwards. It features double overhead camshafts (DOHC), Valvetronic variable valve lift, and High Precision Injection direct fuel delivery, delivering high — performance dynamics and refinement. In standard tune it produces 390 kW (530 PS) with 750 Nm of torque, forming part of BMW's next — generation M performance engine family.
Fitted to models such as the G90 M5, G92 M5 Touring, and G99 X…
All production years (2022–present) meet Euro 6d standards (VCA UK Type Approval #VCA/EMS/9104).
The BMW P92B36 is a 3,598 cc twin-turbo V8 petrol engine engineered for high-performance M models (2022–present). It combines direct fuel injection with Valvetronic variable valve lift and twin-scroll turbocharging to deliver responsive low-end torque and linear power delivery. Designed to meet Euro 6d emissions standards, it balances aggressive performance with drivability.
| Parameter | Value | Source |
|---|---|---|
Displacement | 3,598 cc | |
Fuel type | Petrol | |
Configuration | V8, DOHC, 32-valve | |
Aspiration | Twin-turbocharged | |
Bore × stroke | 89.6 mm × 71.4 mm | |
Power output | 390 kW (530 PS) @ 5,600–6,700 rpm | |
Torque | 750 Nm @ 2,000–5,600 rpm | |
Fuel system | High Precision Injection (direct injection) with Valvetronic | |
Emissions standard | Euro 6d | |
Compression ratio | 10.5:1 | |
Cooling system | Water-cooled | |
Turbocharger | Twin mono-scroll turbochargers (Honeywell) with charge air cooling | |
Timing system | Dual-row roller chain (non-interference design) | |
Oil type | BMW Longlife-04 (SAE 5W-30) | |
Dry weight | 228 kg |
The BMW P92B36 was used across BMW's G9x platforms with longitudinal mounting. This engine received platform-specific adaptations-shortened intake manifolds in the G99 and revised cooling routing in the G92-and from 2024 the facelifted G90 LCI models adopted updated Valvetronic calibration, creating minor software differences. All adaptations are documented in OEM technical bulletins.
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The P92B36's primary reliability risk is high-pressure fuel pump wear, with elevated incidence in high-load driving with frequent short trips. Internal BMW quality reports from 2023 indicated a significant share of pre-2024 engines required pump replacement before 80,000 km, while UK DVSA records show fuel system faults contributing to emissions-related MOT failures. Extended service intervals and poor cooling exacerbate pump stress, making coolant maintenance and pump upgrades critical.
Analysis derived from BMW technical bulletins (2022–2024) and UK DVSA failure statistics (2023–2024). Repair procedures should follow manufacturer guidelines.
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The P92B36 offers exceptional performance and responsiveness, but early models (2022–2023) had reliability concerns, particularly high-pressure fuel pump wear. Later revisions (post-2024) improved component durability, so well-maintained examples can exceed 120,000 km. Regular servicing with BMW-specified oil (5W-30 Longlife-04) and timely fuel system maintenance greatly enhance longevity.
The most frequent issues are high-pressure fuel pump wear, Valvetronic actuator failure, and intake manifold flap breakage. These are well-documented in BMW service bulletins. Fuel pump issues are linked to thermal stress, while Valvetronic and flap problems stem from material aging under heat. Coolant leaks are design-related and affect pre-2024 units most.
This 3.6L twin-turbo V8 petrol engine is used in BMW's flagship M performance models. It powers the G90 M5, G92 M5 Touring, and G99 XM variants. It is part of the new-generation M engine family and is designed for high-performance applications. All applications meet Euro 6d emissions standards.
Yes, extensively. The P92B36 is one of the most tunable BMW M engines. ECU remaps can safely yield +50–90 kW on stage 1, as the engine responds well to tuning. Supporting modifications like intercooler, exhaust, and turbo upgrades can further improve performance. The forged internals handle high boost increases, making it a favorite among enthusiasts. However, upgraded fuel systems are recommended for higher power levels.
Moderate for a high-performance V8. In an M5 Competition (G90) from 2023, combined consumption is ~11.2 L/100km (25 mpg UK). City driving may see 14–16 L/100km, while highway runs can achieve ~8.5 L/100km. Real-world figures depend heavily on driving style, as the engine rewards aggressive inputs. Expect 23–28 mpg (UK) on mixed routes for a well-maintained P92B36.
No. The P92B36 uses a non-interference timing chain design. This means if the chain skips or breaks, the pistons will not contact the valves, preventing catastrophic internal damage. However, any timing fault still requires immediate attention to avoid engine stalling and secondary issues. The dual-row roller chain is durable but should be inspected periodically.
BMW specifies SAE 5W-30 synthetic oil meeting BMW Longlife-04 standard. This formulation protects the Valvetronic system and high-pressure fuel pump. Change intervals should not exceed 15,000 km or 24 months. Using incorrect oil can accelerate cam follower wear and reduce Valvetronic actuator lifespan. Always use high-quality petrol to support engine longevity.
Comprehensive technical documentation and regulatory references
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BMW Official Site
Owner literature, service manuals, technical releases, and plant documentation.
EUR-Lex
EU emissions and type-approval regulations (e.g., CELEX:32007R0715, CELEX:32017R1151).
GOV.UK: Vehicle Approval & V5C
UK vehicle approval processes, import rules, and MoT guidance.
DVLA: Engine Changes & MoT
Official guidance on engine swaps and inspection implications.
Vehicle Certification Agency (VCA)
UK type-approval authority for automotive products.
Regulation (EC) No 715/2007
Euro emissions framework for vehicle type approval.
Commission Regulation (EU) 2017/1151
WLTP and RDE testing procedures for emissions certification.
GOV.UK: Vehicle Approval
UK compliance and certification requirements for imported and modified vehicles.
VCA Certification Portal
Type-approval guidance and documentation.
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