BMW E46 320i Facelift: Essential Checks, Inspection Tips
Posted: Wed Oct 23, 2024 1:54 pm
BMW E46 320i Facelift: Buying Guide and Inspection Tips
a) BMW E46 320i Facelift Engine Specifications and Improvements:
a) BMW E46 320i Facelift Engine Specifications and Improvements:
- 2.0L M52TU engine replaced by 2.2L M54B22 (170 bhp at 6100 rpm, 210 Nm at 3500 rpm)
- Double VANOS system: Check for smooth operation across rev range
- Timing chain design improved, but still listen for rattles on startup
- Timing chain replacement typically needed around 150,000-180,000 miles
- Timing chain replacement cost: £900-£1300 at independent specialist
- Failure to replace stretched timing chain can lead to engine failure, potentially costing £3500-£5500 for a replacement engine
- Oil capacity increased to 6.5 liters; use 5W-30 or 0W-40 fully synthetic
- Oil change interval: 15,000 miles or annually, whichever comes first
- Improved crankcase ventilation system; check for oil leaks around valve cover
- Listen for ticking noise indicating lifter or valvetrain issues
- Redesigned expansion tank; still prone to cracks, replacement cost £60-£80
- Upgraded water pump; failure less common but still check for leaks
- Electric fan failure more prevalent; replacement cost £150-£200
- Thermostat housing material improved; less prone to leaks
- Coolant flush still recommended every 2 years or 30,000 miles
- Full cooling system overhaul cost: £550-£750
- Slightly different exhaust layout due to new engine
- Catalytic converter positioning changed; check for heat shield rattles
- Exhaust manifold less prone to cracking; still inspect for leaks
- Full system replacement cost increased to £700-£900 due to different specs
- Slightly retuned suspension for improved handling
- Front control arm bushings design updated; replacement cost remains £200-£250
- Power steering pump more reliable; still check for whining noises
- Rear subframe mounting points strengthened; less prone to cracking
- Full suspension refresh cost: £900-£1200
- Brake disc sizes unchanged: 300mm front, 294mm rear
- Slightly updated brake pad compound; check for even wear
- ABS module more reliable; still verify proper operation
- Brake fluid change interval remains at 2 years
- Full brake service cost: £300-£400
- Manual: Updated 5-speed ZF gearbox; smoother shifts
- Manual transmission issues:
- Clutch typically lasts 80,000-100,000 miles; replacement cost £550-£750
- Listen for grinding noises, especially in 2nd gear, indicating synchro wear
- Clutch hydraulics can fail; slave cylinder replacement costs £160-£220
- Gearbox oil should be changed every 60,000 miles; neglect can lead to premature wear - Automatic: 5-speed GM 5L40-E retained but with updated software
- Automatic transmission issues:
- Fluid and filter change recommended every 60,000 miles; cost £220-£280
- Neglecting fluid changes can lead to premature failure
- Valve body issues can occur; replacement costs £900-£1300
- Torque converter failure possible; replacement with rebuild costs £1900-£2700
- Complete transmission failure if maintenance neglected; rebuild or replacement costs £2600-£3600 - Transmission fluid change still recommended every 60,000 miles
- Clutch life typically longer due to improved design
- Updated instrument cluster; pixel failure less common
- New steering wheel controls; check all buttons function correctly
- Improved audio system; verify all speakers work
- Updated light control module; check for proper headlight operation
- Battery drain issues less common but still possible
- Check for proper operation of all electronic systems
- Updated front and rear bumpers; check for cracks and proper fitment
- New headlight and taillight designs; ensure all function correctly
- Improved paint quality; still check common rust areas (wheel arches, sills)
- Sunroof drain design updated; blockages less common but still possible
- Inspect door bottoms and boot seal area for early signs of corrosion
- Updated dashboard design; check for cracks in common areas
- New seat designs; inspect for wear, especially on driver's side bolster
- Improved climate control system; verify all functions work correctly
- Updated door panels; check for delamination and speaker cover condition
- Verify operation of all interior lights and switches
- Different service schedule due to new engine; verify appropriate intervals followed
- Spark plug replacement interval extended to 45,000 miles
- Timing chain replacement less common but still a potential issue at high mileage
- Check for software updates, especially for engine management system
- Verify regular oil changes (15,000 miles or annually)
- More powerful and refined 2.2L engine
- Updated exterior styling with new lights and bumpers
- Improved interior quality and design
- Enhanced electrical systems and features
- Better corrosion resistance in body panels
- Slightly improved fuel efficiency
- VANOS solenoids may still fail; repair costs £400-£600
- Electric water pump failures more common; replacement cost £250-£300
- Window regulators still prone to failure; cost per unit £140-£180
- Automatic transmission valve body issues; repair cost £900-£1300
- ABS module failures less common but still possible; repair cost £500-£700
- Oil leaks from valve cover gasket; replacement cost £150-£200
- Verify smooth power delivery across entire rev range
- Check for any hesitation or misfires, especially under load
- Test all gears in manual transmission for smooth engagement
- For automatics, ensure no slipping or harsh shifts
- Verify stability control system works correctly
- Test all electrical features, including climate control
- Listen for any unusual engine noises, especially on cold start
- Confirm production date post-September 2001 for true facelift model
- Check for any outstanding recalls specific to facelift models
- Verify VIN matches all documentation
- Ensure all service records are present, especially for the new engine
- Check MOT history for recurring issues or mileage discrepancies
- Engine more responsive to tuning; ECU remaps can yield 20-25 bhp increase
- Upgraded suspension components more readily available
- Ensure any modifications are properly documented for insurance
- Be cautious of cars with extensive engine modifications
- Popular upgrades include performance chips, cold air intakes, and exhaust systems
- Generally commands 10-15% premium over pre-facelift models
- Competes more closely with Audi A4 2.0 and Mercedes C200 Kompressor
- Improved fuel economy: 30-34 mpg combined
- Higher residual values due to more desirable specification
- Better performance and refinement compared to pre-facelift models
- Annual maintenance costs slightly higher due to more complex engine
- Major service (every 30,000 miles) costs £450-£550 at independent specialists
- Potential for higher repair costs if VANOS system fails
- Budget £700-£900 annually for maintenance on a well-used example
- Timing chain replacement (if needed): £900-£1300
- Automatic transmission overhaul (if required): £1900-£2700
- Consider setting aside 10-15% of the car's value annually for maintenance and repairs
- Most parts readily available, but some facelift-specific components may be pricier
- Example costs:
- Oil filter: £12-£18 (aftermarket), £25-£30 (OEM)
- Air filter: £25-£30 (aftermarket), £35-£45 (OEM)
- Front brake pads: £50-£70 (aftermarket), £80-£100 (OEM)
- Alternator: £180-£250 (aftermarket), £350-£450 (OEM)
- Water pump: £60-£80 (aftermarket), £120-£150 (OEM)
- VANOS solenoids: £150-£200 (aftermarket), £250-£300 (OEM)
- As of 2023, average asking prices:
- Under 80,000 miles, excellent condition: £3,500-£5,000
- 80,000-120,000 miles, good condition: £2,500-£3,500
- Over 120,000 miles, fair condition: £1,800-£2,500 - Well-maintained, low mileage examples can fetch up to £6,000-£7,000
- Depreciation typically 4-6% annually for well-maintained examples
- Coupe and Convertible models command 15-20% premium over saloons
- Sport models with M-Sport packages can add 10-15% to the value
- Factors affecting value: full service history, recent major repairs completed, original paint, no accident history