AM42 Euro Parts — Tips & Guides

The snow is finally gone, the temperatures are climbing, and Canadian roads are no longer a grey slush of salt and sand. But before you celebrate the arrival of spring driving season, your European car needs a proper post-winter inspection.

This isn't about being overly cautious — it's about catching the damage that five months of Canadian winter quietly inflicts on precision German engineering. Use this checklist to work through your car systematically.

Under the Car (Most Critical)

• Brake lines and fuel lines: Check for corrosion, bubbling rust, and any weeping points. Salt brine wicks into brake line fittings and can weaken them over time.
• Exhaust system: Look for rust-through holes, cracked welds, loose hangers. Pay extra attention to the area near the rear muffler where moisture pools.
• Subframe bolts and mounting points: Look for orange rust scale and any elongation of mounting holes. On BMW E90/E92 models, rear subframe corrosion is a documented issue.
• CV axle boots: Rubber degrades in extreme cold. A split boot will have thrown grease — look for a fan-shaped grease splatter on the inner wheel well.
• Strut mounts: On Audi and Volkswagen, top strut mounts sit in a water-collecting pocket in the engine bay. Corrosion here leads to knocking over bumps.

Brakes

• Remove each wheel and visually inspect rotor thickness and surface condition. A lip around the rotor edge larger than 2mm is a sign of significant wear.
• Check brake pad thickness — European cars use wear sensors, but don't rely solely on the dash light after winter.
• Inspect brake caliper slides. Salt causes slides to seize, creating uneven pad wear and pulling during braking.

Steering and Suspension

• Control arm bushings: Grab each front wheel at 9 and 3 o'clock and push/pull. Any play or clunking points to a worn bushing or ball joint.
• Tie rod ends: Grab at 12 and 6 o'clock and check for vertical play. Salt destroys tie rod end seals.
• Wheel bearings: On a lift, spin each wheel by hand and listen for roughness. Also check by grabbing the wheel at 12 and 6 o'clock and rocking — any looseness means the bearing is failing.
• Shock absorbers and struts: Look for oil weeping from the shock body, and feel for excessive body roll on a test drive.

Tires

• Check tread depth — Canadian minimum is 1.6mm but you want at least 3mm for safe summer driving.
• Inspect sidewalls for cracking from freeze-thaw cycling. This is especially common on cars that sat outside all winter.
• Check tire pressure — temperatures swings of 40°C between December and April can drop tire pressure 6–8 PSI.
• If you're switching from winters to summers, inspect the summer set before mounting. Rubber stored in a cold garage can crack if it's older than 6 years.

Engine Bay

• Battery: Cold weather is hard on batteries. Test voltage and load capacity — anything under 12.4V resting is suspect, below 12.0V is nearly dead.
• Coolant hoses: Freeze-thaw cycles harden and crack hose ends. Squeeze each hose near the clamp — hardness or cracking means replacement.
• Air filter: Canadian spring means construction dust and pollen. Check and replace if the filter looks grey or clogged.
• Wiper blades: Winter blades leave streaks in summer rain. Swap them out now.

Interior & Electronics

• Check for water intrusion in the trunk — a common issue on BMWs from blocked cowl drains that overflow in spring snowmelt.
• Test all lights including fog lamps — condensation inside headlights after temperature cycling is a sign of failing seals.
• Clear any error codes from the winter with a diagnostic scan — cold temperatures often trigger spurious codes that can hide real issues.

Catching even one of these issues early will typically save you far more than the cost of the inspection itself. AM42 Euro Parts has the components you need — from OEM brake rotors to control arm sets to exhaust sections — shipped fast to your door anywhere in Canada.