BMW Z4 Radiator— Quality OEM & Aftermarket Parts
Find quality BMW Z4 radiator parts at unbeatable prices. Save 50–70% compared to dealership prices. Browse used OEM, aftermarket, and new options from our nationwide seller network.
BMW Z4 Radiator — Price Guide
Used / Salvage
$50-$150
Aftermarket
$100-$300
OEM / Dealer
$200-$500
About the BMW Z4 Radiator
The radiator is the primary heat exchanger in your vehicle's cooling system, responsible for dissipating engine heat into the atmosphere. Hot coolant from the engine flows through the radiator's tubes while air passes over the fins, transferring heat away. A failed or leaking radiator leads to engine overheating, which can cause catastrophic engine damage.
Replacement Guide
Radiator replacement is a moderate DIY job. The process involves: draining the cooling system, disconnecting upper and lower hoses, disconnecting transmission cooler lines (if equipped), removing the cooling fan assembly or shroud, unbolting the radiator mounting brackets, and lifting out the old radiator. Installation is the reverse, followed by refilling with fresh coolant and bleeding air from the system. Most replacements take 2-3 hours. Ensure you properly dispose of old coolant and use the correct coolant type for your vehicle.
Est. time: 2-4 hoursDifficulty: Moderate DIY
Signs You Need a New Radiator
- Engine overheating
- Coolant leaks under the vehicle
- Low coolant level
- Discolored or rusty coolant
- Steam coming from under the hood
- Temperature gauge running hot
- Sweet antifreeze smell
- Visible damage or corrosion on radiator
Car Parts Finder USABMW Z4 Radiator (RAD)
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Car Parts Finder USA
Need a Radiator BMW Z4? Car Parts Finder USA searches thousands of sellers to find the best radiator at the lowest prices with guaranteed fitment.
- Radiator from verified sellers with condition grading
- Compare prices across multiple sources instantly
- Warranty included from most sellers (30-90 days)
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20 Model Years Available (2003–2025)
BMW Z4 Radiator Price by Year
Prices vary by model year — newer vehicles typically cost more. Click any year to search current listings.
2025 BMW Z4
$50–$150 used
2024 BMW Z4
$50–$150 used
2022 BMW Z4
$45–$130 used
2021 BMW Z4
$45–$130 used
2020 BMW Z4
$45–$130 used
2019 BMW Z4
$45–$130 used
2016 BMW Z4
$35–$105 used
2015 BMW Z4
$35–$105 used
2014 BMW Z4
$35–$105 used
2013 BMW Z4
$30–$85 used
2012 BMW Z4
$30–$85 used
2011 BMW Z4
$30–$85 used
2010 BMW Z4
$30–$85 used
2009 BMW Z4
$30–$85 used
2008 BMW Z4
$30–$85 used
2007 BMW Z4
$30–$85 used
2006 BMW Z4
$30–$85 used
2005 BMW Z4
$30–$85 used
Showing 18 of 20 years. Use the year picker above to find all years.
About the BMW Z4 Radiator (RAD)
The radiator is the primary heat exchanger in your vehicle's cooling system, responsible for dissipating engine heat into the atmosphere. Hot coolant from the engine flows through the radiator's tubes while air passes over the fins, transferring heat away. A failed or leaking radiator leads to engine overheating, which can cause catastrophic engine damage. The Radiator (also known as RAD) is a critical component for your BMW Z4.
Signs of Failure
Know when your Z4 radiator needs replacement:
- Engine overheating
- Coolant leaks under the vehicle
- Low coolant level
- Discolored or rusty coolant
- Steam coming from under the hood
- Temperature gauge running hot
- Sweet antifreeze smell
- Visible damage or corrosion on radiator
Replacement Info
Radiator replacement is a moderate DIY job. The process involves: draining the cooling system, disconnecting upper and lower hoses, disconnecting transmission cooler lines (if equipped), removing the cooling fan assembly or shroud, unbolting the radiator mounting brackets, and lifting out the old radiator. Installation is the reverse, followed by refilling with fresh coolant and bleeding air from the system. Most replacements take 2-3 hours. Ensure you properly dispose of old coolant and use the correct coolant type for your vehicle.
Time: 2-4 hours
Difficulty: Moderate DIY
BMW Z4 Radiator Price Comparison
BEST VALUE
Used Parts
$50-$150
- 50-70% savings
- OEM quality
- Tested & verified
- Warranty available
Aftermarket
$100-$300
- Brand new
- Various brands
- Good warranty
- Easy availability
OEM New
$200-$500
- Factory exact
- Best warranty
- Guaranteed fit
- Highest quality
Where to Buy BMW Z4 Radiator Parts
Online Sellers
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Shop OnlineLocal Scrapyards
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Search PartsDIY Junkyards
Pull your own Z4 radiator at self-service junkyards for maximum savings.
Find JunkyardsBMW Z4 RadiatorFrequently Asked Questions
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