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This product was last offered at the strikethrough price on
06-14-2026
This product was last offered at the strikethrough price on
06-14-2026
Includes connector housing with terminals and seals. Commonly used for the pencil-style ignition coil connector.
ECS Tuning replacement harness connectors include all necessary pins and wire seals for a complete harness repair. Whether you have a broken harness connector or need a complete wiring repair, we have the components you need.
Each connector includes an additional terminal in case one becomes lost or damaged during installation.
*OEM cross reference PN# 12527519996 - Commonly used for the pencil-style ignition coil connector.
Please reference the original part number from the existing connector to confirm fitment, before ordering.
Suggested tools:
Suggested crimping pliers: T#387193
Wire De-pin tools:
12pc De-Pin Tool Set - T#386379
23pc De-Pin Tool Set - T#641943
This product was last offered at the strikethrough price on
05-05-2026
This product was last offered at the strikethrough price on
05-05-2026
ECS Tuning N54/N55 Cat-Back Exhaust for BMW E9X Take your 335i or 335xi to the next level with a high-performance cat-back exhaust designed to invigorate your driving experience. Constructed from premium brushed stainless steel, this ECS cat-back exhaust isn’t just about cutting weight—it’s about delivering unrestrained performance with a refined, yet powerful tone. Expect a thrilling soundtrack that underscores every shift and acceleration, giving you that much-needed connection to the road.
This exhaust system is crafted with balance in mind, providing a potent sound without the excessive drone that disrupts highway cruising. Designed for the N54 and N55 engines, it integrates seamlessly with both stock and aftermarket downpipes. Featuring twin 2.5” mandrel-bent pipes and turbo-style mufflers, this exhaust offers increased flow, weight savings, and a deep, exhilarating tone that complements the BMW’s high-output turbocharged engine.
Why Upgrade?
Better Sound and Flow: A dual 2.5” mid-pipe setup leads back to lightweight, turbo-style mufflers. Designed for unrestricted flow, the exhaust enhances horsepower, torque, and throttle response. Signature Tips: Complete with dual black chrome 3.5” tips, this system not only sounds incredible but looks the part, too. Weight Savings: Shedding 37% of the weight, this exhaust replaces the heavy factory cat-back and lightens your load to support a sportier feel. Improved Performance: Reduced backpressure for smoother, more responsive acceleration. Precision Engineering
Design Technology: Using FARO ARM laser scanning and SolidWorks 3D CAD, this system is built for an exact fit. High-Quality Materials: T304 stainless steel construction with 1.25mm wall thickness, TIG-welded for durability. OEM Fitment: Stainless steel hangers are welded in OE locations for a seamless, factory-quality installation. Adjustability: Strategic slip joints make adjustments easy, so you achieve the ideal alignment for your setup. What’s Included?
Dual 2.5” mid-pipes and rear exhaust section High-flow turbo-style mufflers Complete mounting hardware and clamps Black chrome 3.5” exhaust tips Turner Motorsport Performance Ignition Coils
Boosted Performance: Enhanced spark energy translates to a stronger and more reliable combustion cycle. Direct Fitment: Engineered for seamless installation with your BMW’s ignition system. Distinctive Turner Blue: Adds a stylish touch to your engine bay, making it look as good as it performs. Benefits at a Glance
Enhanced Exhaust Sound: Deeper, more aggressive note with minimized cabin drone. Lighter Build: 37% lighter than stock for added agility. Free Ignition Coils: Improved spark for consistent performance and fuel efficiency. Performance Ready: Fully compatible with both OEM and aftermarket setups. Turn heads, enjoy the ride, and make the most out of your BMW’s power with this ECS Tuning N54/N55 Cat-Back Exhaust and Turner Ignition Coil combo—built for enthusiasts who demand the best in performance and style.
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
This product was last offered at the strikethrough price on
05-03-2026
This product was last offered at the strikethrough price on
05-03-2026
