Aluminum Expansion Tank E46. E46 323i/325i/328i/330i Aluminum Expansion Tank by Moroso Heavy Duty Aluminum Expansion Tank Kit - E46 M3 S54 BMWs are well-known for their problematic cooling systems, which are often a catalyst for irreversible engine damage and a hefty repair bill On my car the cheap off brand expansion tank is fine and when the car overheats it vents out the cap I've watched it happen about 3 times
Performance BMW Parts E46 Cooling System Kit Adds Durability eEuroparts from eeuroparts.com
This is a link to an e38/e39 OE vs aftermarket compare - Timm is good Before you buy that expensive aluminum expansion tank, read all the reviews regarding its fitment.
Performance BMW Parts E46 Cooling System Kit Adds Durability eEuroparts
Our Turner Motorsport's full aluminum expansion tank was designed and engineered in house to help with the weak point in your E46 cooling system Every single job on these cars is cancer anyway, replace the valve cover gasket simple, threads strip, I'll just use a helicoil, nope they're m7 so I'll have to order them, then the plastic valve cover cracks, wait another day The stock plastic expansion tank gets brittle over time and eventually fails
63793 Moroso Performance Aluminum Expansion Tank E46 M3 Turner Motorsport. E46 323i/325i/328i/330i Aluminum Expansion Tank by Moroso Prevent catastrophy by replacing your aged, fragile plastic tank with a high-quality, long-lasting aluminum tank www.bimmerworld.com The stock plastic expansion tank gets brittle over time and eventually fails
Mishimoto MMRTE4699E Aluminum Coolant Expansion Tank (NO LONGER AVAILABLE). On my car the cheap off brand expansion tank is fine and when the car overheats it vents out the cap I've watched it happen about 3 times This is a link to an e38/e39 OE vs aftermarket compare - Timm is good