RS Autowerks

BMW Service, Performance, and Classic Expertise in Southern California

At RS Autowerks, we provide dedicated BMW service built on decades of hands-on experience with M cars, classic platforms, and modern turbocharged BMW models. Our background spans factory-level service practices, performance engineering, diagnostic capability, and a deep understanding of BMW handling dynamics across multiple generations.

Whether you drive an E30, an F82 M4, a G80 M3, or a modern X-series SUV, we deliver the precision, mechanical insight, and enthusiast-level care your BMW deserves.

Comprehensive BMW Care

Engine Expertise

We support BMW engines from classic naturally aspirated powerplants to modern turbocharged platforms, including:

  • S14 – E30 M3
  • M20, M30 – heritage inline-six platforms
  • S38 – E28 M5, E34 M5
  • S50, S52 – E36 M3 and performance conversions
  • S54 – E46 M3, Z4M
  • S55 – F80/F82 M3, M4
  • S58 – G80/G82 M3, M4
  • N55, B58, N52 – common modern BMW platforms
  • N63/S63 – twin-turbo V8 platforms (X5M, X6M, M5, M6)
  • B48/B46 – modern four-cylinder turbocharged engines

Our engine services include:

  • Carbon cleaning: intake valve cleaning and airflow restoration
  • Rod bearing service: S54, S65, and S85 preventive and corrective work
  • VANOS service: inspection, repair, and solenoid diagnostics
  • Oil consumption diagnosis: leak detection and mechanical correction
  • Cooling system rebuilds: radiators, pumps, hoses, and thermostats
  • N63/S63 thermal management: reliability-focused upgrades and service
  • Turbocharger inspection: wastegate diagnosis and upgrade recommendations
  • Engine rebuilds: full mechanical restoration and precision assembly

Enthusiast & Club-Level Motorsport Roots

Our BMW experience is built around decades of hands-on work with enthusiast platforms, classic M cars, modern M models, and track-driven BMWs. This foundation has shaped our understanding of BMW chassis dynamics and practical setup strategies used on real tracks.

  • BMW CCA, HPDE, Time Trial, and club racing support: event prep, mechanical checks, and trackside guidance
  • SCCA World Challenge GT experience: BMW platform race prep, chassis setup, and trackside operations
  • Track-day preparation: fluid packages, inspections, reliability checks, and safety verification
  • Setup guidance: E30, E36, E46, F-chassis, and G-chassis M platforms
  • Alignment optimization and corner balancing: tailored for street, canyon, and track use
  • Grassroots motorsport assistance: autocross, time-attack, privateer racing
  • Period-correct upgrades and vintage tuning: supporting classic BMW competition platforms

This motorsport-influenced foundation allows us to apply track-tested setup knowledge and BMW handling principles to every vehicle we service.

Transmission & Drivetrain Systems

We service every major BMW transmission and drivetrain type with proper diagnostic and mechanical procedures.

  • Manual gearboxes (6MT): clutch service, shifter upgrades, synchro diagnosis
  • SMG (E46/E60): pump diagnostics, actuator repair, hydraulic issues, SMG-to-manual conversions
  • DCT systems: fluid service, mechatronics diagnostics, temperature-related drivability issues
  • xDrive systems: transfer case fluid service, VTG module faults, drivetrain vibration diagnosis
  • Differentials: fluid service, seal replacement, bearing noise diagnosis, and LSD upgrades

Turbocharger Systems

Our team provides complete support for BMW turbocharged engines from N-series to modern B-series and S-series platforms.

  • Wastegate rattle diagnosis: mechanical inspection and repair
  • Boost leak testing: smoke testing and charge system diagnostics
  • Turbo replacement: OEM and upgraded turbocharger solutions
  • Intercooler & charge pipes: service, upgrades, and leak correction
  • Turbo cooling system repairs: pumps, lines, and thermal management
  • PCV system service: crankcase ventilation diagnosis and repair

Suspension, Handling & Braking

We offer full chassis, braking, and handling solutions for BMW models used on the street, canyon roads, or track.

  • Coilover installation: Öhlins, Bilstein, KW, JRZ, MCS, and others
  • Bushing & spherical bearings: precision handling upgrades
  • Suspension refreshes: E30, E36, E46, and later platforms
  • Corner balancing & alignment: street, canyon, or track
  • Brake system upgrades: big brake kits & performance components
  • M-adaptive diagnostics: troubleshooting and repair

Electrical & Diagnostic Capabilities

We use factory-level diagnostic tools and advanced testing equipment to identify and correct complex BMW electrical issues.

  • ISTA factory diagnostic software
  • PicoScope oscilloscope testing
  • Module coding, programming, and repair
  • CAN-bus diagnostics and electrical troubleshooting
  • Airbag, FRM, and gateway module repairs
  • Drivability, misfire, and electrical fault diagnosis

Classic BMW Support

We help preserve BMW’s heritage platforms through restoration, maintenance, and period-correct upgrades.

  • Parts sourcing directly from Europe for rare components
  • Strong relationships with Alpina, Hartge, and AC Schnitzer suppliers
  • Vintage electronics and fuel system repairs
  • Mechanical and cosmetic restoration planning
  • Keeping legacy BMW platforms road-ready, authentic, and enjoyable to drive

Common BMW Issues We Address

We diagnose and repair the most frequently encountered issues across BMW generations and engine families.

  • Timing chain and guide wear on N20/N26 engines, plus timing failures on N63/S63 V8s
  • Carbon buildup on N54, N55, B48, B58, N63/S63 requiring intake valve cleaning
  • Oil consumption on N52, N63, and high-mileage M engines
  • Cooling system failures including water pumps, thermostats, radiators, expansion tanks
  • Turbocharger issues including wastegate rattle, boost leaks, smoking turbos, charge pipe failures
  • Transmission & driveline issues including SMG pump faults, DCT overheating, xDrive transfer case wear
  • Suspension wear including bushings, ball joints, adaptive damping issues
  • Electrical faults including FRM failures, gateway issues, CAN-bus errors
  • E46 subframe concerns including cracking, reinforcement, and chassis inspection

BMW Models We Service

We support a wide range of BMW platforms from vintage icons to late-model daily drivers and X-series SUVs.

M Models

M2, M3, M4, M5, M6, X5M, X6M

Classic BMW

E9 (2800 CS, 3.0 CS, CSi, CSL)

E10 (1600, 1800, 2002, 2002tii)

E21, E30, E36, E46, E28, E34, E24, E39

Modern BMW

All F-chassis and G-chassis BMW sedans, coupes, and wagons

SUV Models

X1, X3, X4, X5, X6, X7 and all xDrive equivalents

Why Choose RS Autowerks for Your BMW?

Our BMW knowledge covers every generation and use case, from classic restoration to modern diagnostics and performance work.

  • Comprehensive Platform Knowledge: From classic icons to modern turbo BMWs and SUVs, we support a full range of models.
  • Depth Beyond Dealerships and General European Shops: We service late-model BMWs, core sedan and SUV platforms, legacy models, modified cars, and advanced diagnostics beyond the scope of most shops.
  • Performance & Classic Expertise: From track setups to sourcing rare vintage parts through Alpina, Hartge, and AC Schnitzer, we support BMWs new and old.
  • Complete In-House Solutions: Maintenance, repair, diagnostics, tuning, and specialty services with long-term reliability in mind.
  • Precision-Centered Approach: Every BMW receives meticulous care consistent with enthusiast and motorsport preparation standards.

Contact RS Autowerks

If you’re looking to discuss BMW maintenance, diagnostics, or performance work, fill out the form below so we can review your vehicle and discuss next steps.

In the contact form below, please include your vehicle’s model and year, what you’re looking to do, and any current modifications.