.sl-desc h2{font-size:1.15em;letter-spacing:.06em;text-transform:uppercase;border-bottom:2px solid #111;padding-bottom:6px;margin:1.6em 0 .7em}.sl-desc h3{font-size:1em;margin:1.2em 0 .4em}.sl-desc ul{margin:0 0 1em 1.2em}.sl-desc li{margin:.25em 0}.va-table{width:100%;border-collapse:collapse;margin:.5em 0 1em;font-size:.95em}.va-table th{text-align:left;padding:10px 8px;border-bottom:2px solid #333;white-space:nowrap}.va-table td{padding:8px;border-bottom:1px solid #e5e5e5;vertical-align:top}.sl-note{font-size:.9em;color:#555;margin:.4em 0 1em} OVERVIEW CSF's all-aluminum high-performance radiator for the E8X/E9X N54 and N55 platform replaces the factory plastic-tank radiator with a 2-row, 42mm dual core built around CSF's exclusive B-Tube technology. The core carries an ultra-efficient multi-louvered fin with a 6.5mm fin height for maximum surface area contact. Every connection point is engineered for the platform: CNC-machined "quick-connect" inlet and outlet fittings, CNC-machined brackets for fit and durability, and an all-aluminum race-style drain plug in place of the fragile factory item. The radiator is finished with a 1-hour hand-polished mirror finish. Fitment is a true "drop-in": the radiator accepts every attaching OEM component, including the quick-connect hoses, the A/C condenser, the mounting brackets and the fan shroud, so no modification is required to install it. SPECS 2-row, 42mm dual core featuring CSF's exclusive B-Tube technology Ultra-efficient multi-louvered fin with 6.5mm fin height Seam-brazed B-Tube construction CNC-machined "quick-connect" inlet and outlet connections CNC-machined brackets and fittings All-aluminum race-style drain plug All-aluminum construction 1-hour "mirror finish" hand polish; smooth satin finish "Drop-in fit" — accepts all attaching OEM components including quick-connect hoses, A/C condenser, mounting brackets and fan shroud OEM cross-reference: BMW 17117558480 (#7045, manual) / BMW 17117547059 (#7046, automatic) 2-year limited warranty PARTS INCLUDED CSF all-aluminum high-performance radiator CNC-machined brackets and quick-connect fittings All-aluminum race-style drain plug TECH RESOURCES Additional Parts Required None. CSF specifies no additional hardware for this part — the radiator accepts every attaching OEM component and requires no modification to install. Coolant for refilling and bleeding the cooling system after installation (installer supplied). Installation CSF does not publish a downloadable installation PDF for this part. Printed installation instructions are supplied in the box. Installation requires no modification; the radiator reuses the OEM quick-connect hoses, A/C condenser, mounting brackets and fan shroud. Notes Two versions available — select the correct part for your transmission: CSF #7045 for manual transmission cars, CSF #7046 for automatic and dual-clutch cars. Fitment and year ranges follow CSF's current published application tables for #7045 and #7046. CSF lists the 3-Series applications as "E9X 335i", expanded here into the individual E90/E91/E92/E93 body codes; CSF does not separately list 335xi/335i xDrive or the additional N20 X1 and Z4 variants that appeared in the previous store copy, so confirm those applications, and your transmission type, with Speed Logic before ordering. PART NUMBER 7045 — manual transmission (MT) applications 7046 — automatic and dual-clutch (AT/DCT) applications VEHICLE APPLICATIONS Make Model Chassis Engine Years BMW 1 Series M Coupe (manual — #7045) E82 N54 3.0L Twin-Turbo I6 2011 BMW 135i Coupe (#7045 manual / #7046 automatic) E82 N54 / N55 3.0L Turbo I6 2008–2013 BMW 135i Convertible (#7045 manual / #7046 automatic) E88 N54 / N55 3.0L Turbo I6 2008–2013 BMW 135is (#7045 manual / #7046 DCT) E82 / E88 N55 3.0L Turbo I6 2013 BMW 335i Sedan (#7045 manual / #7046 automatic) E90 N54 / N55 3.0L Turbo I6 2007–2013 BMW 335i Touring (#7045 manual / #7046 automatic) E91 N54 / N55 3.0L Turbo I6 2007–2013 BMW 335i Coupe (#7045 manual / #7046 automatic) E92 N54 / N55 3.0L Turbo I6 2007–2013 BMW 335i Convertible (#7045 manual / #7046 automatic) E93 N54 / N55 3.0L Turbo I6 2007–2013 BMW X1 xDrive28i (automatic — #7046) E84 N20 2.0L Turbo I4 2013–2015 BMW Z4 sDrive28i (#7045 manual / #7046 automatic) E89 N20 2.0L Turbo I4 2012–2016 BMW Z4 sDrive35i (#7045 manual / #7046 DCT) E89 N54 3.0L Twin-Turbo I6 2009–2016
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