CSF Group A / DTM Race Style Oil Cooler - BMW E30
type: Product
description: Click Here for the Full Press Release & Additional Product Details The E30's factory cooling system was solid for its era, but aggressive driving and track days expose its limits — especially on cars with decades-old, weathered coolers. CSF's answer draws on real racing pedigree: it's built to the same enlarged spec BMW engineered for the championship-winning Group A / DTM E30 M3, which increased factory cooler capacity by ~50% while keeping the stock mounts and connectors. CSF's version updates that proven formula with a rugged Bar & Plate core and lightweight "Aero-Flow" bar design, replacing the OEM tube-and-fin construction (5 tubes vs. CSF's 7). Cast, 100% TIG-welded end tanks replace BMW's stamped-and-brazed design for far greater durability. It's a true bolt-on — no custom mounting hardware needed — and comes with a fitting kit for both OEM-style and -10 AN male connections. Proven in real competition, a prototype version helped a 700HP turbo M52-swapped E30 keep oil temps in check en route to a 3rd-in-class finish at Pikes Peak. Features Group A / DTM-spec E30 M3 oil cooler design Direct fit for BMW E30 M3, fits all E30 chassis (see fitment notes) Bar/Plate core for high efficiency and rugged durability Lightweight "Aero-Flow" bar construction for strength and max flow Cast end tanks, 100% TIG-welded construction Satin Black finish for corrosion and debris protection Includes fitting kit for OEM-style and -10 AN male connections Fitment Year Range Make Chassis Model Engine 1988–1991 BMW E30 M3 2.3L L4 ⚠️ Fitment Notes 1986–1993 E30 M3 (S14): Adapter fittings push the factory hard line out ~1/2", so factory support brackets on the back of the radiator won't line up — lines still route and connect properly. 1985–1987 (up to 09/87) E30 325 w/ factory oil cooler: Requires custom lines — the factory hard line normally passes over the cooler, but this unit is too tall for that routing. 1988–1993 E30 325 w/ factory oil cooler: Requires custom lines and mounting har…
brand: CSF
sku: CSF8218
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  low price: 509.99
  high price: 509.99
  price currency: USD
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    price: 509.99
    price currency: USD
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    sku: CSF8218

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