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ZF-8 Transmission Oil Cooler
A dual-core transmission oil cooler for the ZF8 automatic in BMW's G8x M3 and M4 (2021+), aimed at cars pushing more power or running transmission tuning for road or drag racing. Two 22mm cores stack to a 44mm total thickness against the OEM's single 28mm core, and the rear cooler runs 16 rows to the OEM's 14, with an added front cooler contributing 16 more. Built using CSF's AC condenser technology, a 1-row, 16mm, 9-channel microtube design adds surface area for oil flow. Core and tank volume increases 194% over stock, with fluid capacity up 94% (1700ml vs the OEM's roughly 875ml). Uses OEM rubber seals and quick-connect fittings for a drop-in fit, and can be installed alongside CSF's heat exchanger or the factory cooling system.
Frequently asked
Which cars does the ZF-8 Transmission Oil Cooler fit?
Fits your BMW M3/M4 (G80/G82/G83, 2021+). Fabspeed lists this piece for: BMW M3; BMW M4. Exact fitment for your year, trim and options is confirmed on your free consult before anything is ordered.
What does the price include?
The delivered price includes the part from Fabspeed USA, freight to Australia, import costs and GST. Enter your postcode to refine delivery; the final figure is confirmed on consult.
How long until it arrives?
Every Fabspeed part is made in-house at Fabspeed USA with about a one-week production lead time, then allow another 3-4 days for delivery to Australia via UPS. That freight is already included in the price.
How much more fluid capacity does it hold?
1700ml versus the OEM's roughly 875ml, a 94% increase.
Is it a drop-in fit?
Yes, it uses OEM rubber seals and quick-connect fittings, no modifications needed.
Can it be run alongside CSF's heat exchanger?
Yes, or with the factory cooling system.
Who is it aimed at?
CSF recommends it for road racing, drag racing, and vehicles with increased power or transmission tuning.
Who installs it?
Rennen Motorsport in Adelaide, or an authorised dealer near you. Fitting it yourself may also be an option depending on the part, so raise it on your consult; professional installation is quoted separately.
Is it covered by warranty?
Fabspeed products carry the manufacturer's warranty, supported locally through Rennen Plus as the Australian principal. See our returns policy.
Can I just buy this outright, or do I need to talk to someone first?
Every enquiry, whether it's one part or a full build, starts with a free consult. We confirm the exact spec for your car before anything is quoted or ordered.
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