When your INEOS Grenadier needs expert repair, trust the certified technicians at Rusnak INEOS Grenadier. As one of the first authorized INEOS retailers in the United States, we have the factory training, diagnostic tools, and genuine parts required to properly service and repair the Grenadier’s rugged, purpose‑built engineering. Whether you drive your Grenadier daily around Pasadena or push it hard on off‑road trails across California, our team is equipped to keep it performing at its best.
The Grenadier is unlike any other 4×4 on the road. With a BMW‑sourced B58 engine, ZF 8‑speed automatic transmission, Carraro axles, and a heavy‑duty ladder frame, it requires specialized knowledge and equipment. Our technicians receive direct INEOS training and use factory‑approved repair procedures to ensure every repair meets original engineering standards.
All repairs are completed using Genuine INEOS Grenadier Parts to maintain durability, safety, and long‑term reliability. We stock:
The Grenadier’s 3.0L turbocharged BMW B58 engine is reliable but requires proper care. Our team is trained to diagnose and repair all B58‑related issues, including:
We use only Genuine INEOS and BMW components for long‑term durability.
The Grenadier’s ZF 8HP transmission is one of the most advanced and durable gearboxes in the world. We diagnose and repair:
We also offer transmission service to help prevent long‑term wear.
Built for extreme off‑road use, the Grenadier’s drivetrain components must withstand heavy loads and uneven terrain. We provide expert repair for:
Whether on city streets or rocky trails, your Grenadier’s suspension and steering components take a beating. We repair:
We also offer tire and alignment services to keep your Grenadier tracking straight.
The Grenadier uses a modern Bosch electrical architecture with advanced sensors and control modules. Our diagnostic tools accurately identify:
If your Grenadier has seen serious trail time, we can repair:
We also offer off‑road inspection services to keep your Grenadier trail‑ready.
Whether your Grenadier needs routine maintenance, diagnostics, or major repair, our team is ready to help. Schedule your appointment today and experience the Rusnak level of service.
Only authorized INEOS retailers like Rusnak INEOS Grenadier have factory-trained technicians, diagnostic tools, and genuine parts specifically designed for the Grenadier. Because the vehicle is new to the U.S. market, most independent shops are not equipped to repair its BMW engine, ZF transmission, or Carraro axles.
Repair costs depend on the type of service needed. The Grenadier uses premium components such as the BMW B58 engine and ZF 8HP transmission, so repairs should be performed by certified technicians. Routine repairs are comparable to other premium off‑road SUVs, while major drivetrain repairs may cost more due to the vehicle’s heavy‑duty construction.
While some independent shops may be familiar with BMW engines, the Grenadier uses unique software, cooling systems, and off‑road calibrations that require INEOS‑specific diagnostic tools. For accurate repairs and warranty protection, dealership service is strongly recommended.
The Grenadier is built for durability, but common repair needs include brake wear, suspension components, off‑road impact damage, electrical sensor issues, and drivetrain fluid leaks. Regular inspections help prevent long‑term damage, especially after trail use.
Yes. Heavy off‑road use can accelerate wear on suspension components, steering linkages, skid plates, and drivetrain seals. We recommend a post‑trail inspection after any demanding off‑road trip to catch issues early.
Yes. As an authorized retailer, we have direct access to Genuine INEOS Grenadier Parts, including engine components, drivetrain parts, suspension pieces, and off‑road accessories. Independent shops may not have access to these OEM components.
Yes. Repairs performed at an authorized INEOS service center ensure your vehicle remains compliant with factory warranty requirements. Using non‑OEM parts or unapproved repair methods may affect warranty coverage.
Absolutely. We specialize in repairing skid plates, underbody components, suspension damage, differential issues, and body scrapes caused by trail use. Our technicians are trained to restore the Grenadier to factory condition after demanding off‑road adventures.
Warning signs include unusual noises, difficulty engaging 4×4 modes, fluid leaks, vibration under load, or warning lights. Our diagnostic tools can quickly identify issues with the transfer case, axles, or locking differentials.
Yes. For qualifying repairs, we offer loaner vehicles to keep you moving while your Grenadier is in the shop. Availability may vary, so we recommend scheduling in advance.