Generation:
First Generation (BD)
Production Years Covered:
1999, 2000, 2001, 2002, 2003, 2004, 2005
Platform Code:
BD (Rover 45 derived)
Positioning:
The MG ZS was positioned as a sporty and engaging compact family car, offering a more performance-oriented alternative to mainstream rivals.
Competitors:
Competed with vehicles like the Ford Focus, Vauxhall Astra, Volkswagen Golf, and Honda Civic of the era.
Selling Points:
Known for its distinctive styling, engaging handling characteristics (often praised for chassis tuning), and spirited engine options, particularly the VVC variants.
Value:
Essential resource for owners and mechanics to maintain, diagnose, and repair the MG ZS, ensuring longevity and optimal performance. Offers significant cost savings compared to dealership servicing.
Engine:
Full engine overhaul, diagnostics, tuning, cooling system, lubrication system, fuel system (including injection systems), ignition system, exhaust system.
Transmission:
Manual and automatic transmission repair, overhaul, clutch service, gearbox diagnostics, drive shafts, differentials.
Brakes:
Hydraulic system, ABS (if equipped), disc and drum brake servicing, parking brake, brake fluid specifications.
Electrical:
Complete electrical system diagnostics, wiring diagrams, battery, charging system, starter motor, lighting, ignition system components, sensors, ECUs, infotainment system.
Chassis And Body:
Suspension systems (front and rear), steering system, body panel repair, interior trim removal and installation, glass replacement, chassis alignment, corrosion protection.
Maintenance:
Scheduled maintenance, fluid changes (oil, coolant, brake fluid, transmission fluid), filter replacements, spark plug service, belt inspection and replacement, lubrication points.
Diagnostics:
Troubleshooting guides for common and uncommon faults, symptom-based diagnostics, diagnostic trouble codes (DTCs), electrical system troubleshooting with wiring diagrams.
Repair:
Step-by-step instructions for component removal, replacement, and overhaul for all major vehicle systems. Includes detailed procedures for engine rebuilds, transmission repairs, suspension overhauls, brake component replacement, and electrical component repair.
Technical Specifications:
Detailed specifications for torque values, clearances, fluid capacities, electrical resistance, component tolerances, and performance data.
Depth:
Comprehensive from basic maintenance to full factory-level rebuilds and diagnostics. Suitable for both DIY enthusiasts and professional mechanics.
Engine Codes:
K-Series (e.g., K4M, K6A, KV6 - though K6A and KV6 might be less common or specific to certain markets/trims).
Engine Type:
Inline-4 Cylinder, DOHC, 16-valve; V6 (for some higher performance variants).
2.0L:
1994cc (Rover T-series, less common)
1.6L Hp:
Approx. 111 bhp (83 kW)
1.8L Hp:
Approx. 118 bhp (88 kW)
1.8L Vvc Hp:
Approx. 143 bhp (107 kW) (Variable Valve Control)
2.0L Hp:
Approx. 135 bhp (101 kW) (T-series)
2.5L V6 Hp:
Approx. 175 bhp (130 kW) (KV6 - less common in ZS, more in ZT)
Fuel Delivery:
Multi-point fuel injection (MPI)
ECU:
Lucas/Bosch (specific models vary by year and engine).
Timing Belt Replacement Interval:
Typically 60,000 miles or 5 years (check manual for exact specification and engine variant).
Transmission Type:
5-speed Manual Transmission (PG1 for K-series, R65 for smaller engines).
Transmission Type:
4-speed Automatic Transmission (Jatco JF403E for K-series engines).
Clutch Type:
Hydraulically operated single dry plate clutch.
Manual Gearbox Oil:
GL-4, SAE 75W-90 synthetic gear oil (specific part numbers and approvals required - consult manual).
Automatic Transmission Fluid:
ATF Dexron III or equivalent (specific part numbers required - consult manual).
Body Styles:
4-door Sedan, 5-door Hatchback.
Wheelbase:
Approx. 2600 mm (102.4 in)
Length:
Approx. 4305 mm (169.5 in) (Hatchback)
Wheel Bolt Pattern:
4x100
Typical Tire Sizes:
185/65 R15, 195/55 R16, 205/50 R17 (depending on trim and options).
Kerb Weight:
Approx. 1250-1350 kg (depending on engine and specification).
Euro Ncap Rating:
Not extensively documented for this specific model generation, but contemporary Rover/MG models generally scored around 3-4 stars.
ABS:
Optional on lower trims, standard on higher performance variants.
Airbags:
Driver and front passenger airbags standard. Side airbags optional on some models.
Seatbelts:
Pre-tensioning front seatbelts.
Impact Structure:
Crumple zones front and rear, reinforced passenger safety cell.
Audio System:
Factory fitted radio/CD player, often with speaker upgrades on sportier trims. Steering wheel audio controls not common.
Traction Control:
Traction Control System (TCS) was an option on some models, particularly higher performance variants.
Climate Control:
Manual air conditioning was a common option, with climate control being rarer.
Headlights:
Halogen headlights. Some later models may have featured projector-style lenses.
Oil Change Interval:
Typically 10,000 miles or 1 year, whichever comes first. Consult manual for specific engine and oil type.
Air Filter Replacement:
Every 20,000 miles or 2 years.
Cabin Filter Replacement:
Every 12,000 miles or 1 year.
Engine Oil Type:
API SG/SH/SJ or ACEA A2/A3, SAE 10W-40 or 10W-50 (for K-series, check manual for specific grade and synthetic recommendation).
Coolant Type:
Ethylene glycol based antifreeze/coolant. OAT (Organic Acid Technology) based for later models, but check compatibility with older systems if mixing. Capacity approx. 7.5 Litres.
Head Gasket:
The K-series engine is known for potential head gasket failures, particularly earlier versions. The manual will detail inspection and replacement procedures.
Thermostat:
Thermostat failures can lead to overheating or poor engine temperature regulation.
Suspension Wear:
Wear in bushes and ball joints can affect handling and cause knocking noises.
Electronics:
Corrosion in wiring connectors and sensor failures can cause various electrical gremlins. The manual's wiring diagrams are crucial.
Mg Heritage:
MG (Morris Garages) has a long history of producing sporty and engaging cars, known for their handling and driver involvement.
Predecessor:
MG ZR (derived from Rover 200/25).
Platform Basis:
The MG ZS is a sportier derivative of the Rover 45, which itself was an evolution of the Rover 600 platform.
Manufacturing Location:
Longbridge, Birmingham, UK.
Facelift:
A mild facelift occurred around 2004, with minor styling tweaks.