TOP ECS Products | BMW Z4
ECS loves helping you make your car all it can be, that’s why we’ve put all our top performance parts for your BMW together in one place. This list, compiled by our BMW gurus and designed by our fantastic R&D team, is everything you need to outfit your car with all those goodies you’ve wanted for your build. Let’s make your summer even more fun with all the best ECS Performance parts for your BMW.
ECS Performance parts for your BMW.
Fits:
Z4
ECS Tuning Performance Adjustable Rear Control Arm Set
Properly dial in rear camber. A must for all enthusiasts that care about handling and tire wear.
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Brand:
ES#:
2682175
Mfg#:
002608ECS01
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Availability:
Ships on Jun 30, 2026
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Ships on Jun 30, 2026
Ultimate Performance Rear Shock Mount Kit
Polyurethane-isolated monoball design offers street comfort with race performance while eliminating blowouts!! Includes ECS heavy duty E46 convertible-specific reinforcement plates.
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Brand:
ES#:
2765978
Mfg#:
002542ECS01KT1
Heavy Duty Rear Shock Mount Reinforcement Plate Set
Finally, a bolt on and go solution for convertible models. No hacking required!
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Brand:
ES#:
2642686
Mfg#:
002478ECS02KT
Heavy Duty Rear Shock Mount Reinforcement Plate Set
Thicker construction (4mm) than Z3 plates with a matte zinc finish. Brawny and beautiful!
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Brand:
ES#:
2642687
Mfg#:
002478ECS01KT
Rear Trailing Arm Bushing Limiter Set
Improve handling and extend bushing life - all while maintaining ride quality!
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Brand:
ES#:
2721244
Mfg#:
003301ECS01AKT
Complete Performance Polyurethane Differential Bushing Set
ECS engineered to improve power application and offer superior service life over factory rubber bushings
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Brand:
ES#:
2748545
Mfg#:
002447ECS02KT
ECS Magnetic Differential Oil Drain Plug - M22x1.5
Monitor the condition of your differential at each service and remove harmful metallic contaminants from imposing premature wear.
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Brand:
ES#:
3046103
Mfg#:
009314ECS01A
ECS Performance Brass Clutch Fork Pivot Pin
Improved durability and smooth, squeak-free shifts - an essential upgrade for every manual transmission equipped BMW!
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Brand:
ES#:
2992391
Mfg#:
013236ECS01A
Billet Aluminum Oil Filter Cap
Aluminum upgrade for OE plastic housing. No more damaged threads or rounded heads!
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Features an OE 36mm hex head as well as a 17mm hex - making an oil service a one-tool job!
Features an OE 36mm hex head as well as a 17mm hex - making an oil service a one-tool job!
Brand:
ES#:
2738405
Mfg#:
002605ECS01A
ECS Aluminum Water Pump Pulley - Black
Finally, a durable, attractive water pump pulley that won't break!
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Brand:
ES#:
2855687
Mfg#:
001977ECS03A
Billet Aluminum Oil Dipstick - Polished - (NO LONGER AVAILABLE)
A beautiful addition and durable upgrade for your engine
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Brand:
ES#:
2973124
Mfg#:
009424ECS01-01
No longer available
Heavy Duty Aluminum Coolant Bleeder Screw
Offering superior fatigue resistance over conventional plastic screws. Say goodbye to snapped and mangled bleeder screw heads!
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Brand:
ES#:
2739096
Mfg#:
003530ECS01A
Billet Aluminum Radiator Drain Plug
Fear drain plug removal no more! Eliminates mangled and broken drain plugs.
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Brand:
ES#:
2996874
Mfg#:
013197ECS01A
Aluminum BMW Jack Pad Adapter
Convert your factory pads into a jack pad that you can use on your home car jack. Made in the USA.
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Brand:
ES#:
251251
Mfg#:
ECS10721
Magnetic Oil Drain Plug - Priced Each (12x1.5)
Featuring 10 copper washers
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Brand:
ES#:
251840
Mfg#:
002201ECS02A
Magnetic Oil Drain Plug - Priced Each (M12x1.5)
Attracts metal particulates that would otherwise be circulating your engine! Includes one copper washer
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Brand:
ES#:
251839
Mfg#:
002201ECS01A
Exact-Fit Stainless Steel Brake Lines - Complete Kit
DOT-compliant kit to improve pedal feel in your vehicle.
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Brand:
ES#:
3146301
Mfg#:
002562ECSKT1
2-Piece Lightweight Front Brake Rotors - Pair (325x25)
Direct bolt-on cross-drilled and slotted replacement offering a 4lbs weight savings per rotor! Better handling, better acceleration, and better braking!
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Brand:
ES#:
2739176
Mfg#:
003295ECS01KT
ECS Ultimate 3-Way Tow Hook/No Holes License Plate/Camera Mount
Everything a Euro-enthusiast desires from a tow hook! Modular system with attachments: ultra-strong tow hook, adjustable license plate bracket, dynamic camera mount.
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Brand:
ES#:
3176151
Mfg#:
001912C0102A
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Availability:
Ships on Oct 15, 2026
Ships on Oct 15, 2026
Build-Your-Own Universal Vacuum-Actuated Exhaust Cutout Kit - Dual Cutouts
Increase HP/TQ and activate a full race exhaust with the flip of a switch, with our ECS Vacuum-Actuated Exhaust Cutouts
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Brand:
ES#:
3658990
Mfg#:
020923ECS02
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Availability:
In Stock
In Stock
Build-Your-Own Universal Vacuum-Actuated Exhaust Cutout Kit - Single Cutout
Increase HP/TQ and activate a full race exhaust with the flip of a switch, with our ECS Vacuum-Actuated Exhaust Cutout
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Brand:
ES#:
3658972
Mfg#:
020923ECS01
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Availability:
In Stock
In Stock
Wheel Stud Conversion Kit - Full Set
Make wheel changes faster and easier, enough to convert both axles
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Ideal for vehicles with up to 10mm wheel spacers or those without spacers
Ideal for vehicles with up to 10mm wheel spacers or those without spacers
Brand:
ES#:
2836721
Mfg#:
001467ECS03KT
Wheel Stud Conversion Kit - Full Set
Make wheel changes faster and easier, enough to convert both axles
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Ideal for vehicles with up to 20mm wheel spacers. May also be used with smaller spacers or without spacer
Ideal for vehicles with up to 20mm wheel spacers. May also be used with smaller spacers or without spacer
Brand:
ES#:
2836728
Mfg#:
001467ECS08KT
Wheel Stud Conversion Kit - full Set
Make wheel changes faster and easier, enough to convert both axles
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Ideal for vehicles with up to 30mm wheel spacers. May also be used with smaller spacers or without spacer
Ideal for vehicles with up to 30mm wheel spacers. May also be used with smaller spacers or without spacer
Brand:
ES#:
2836725
Mfg#:
001467ECS06KT
Wheel Spacer & Bolt Kit - 5mm
Aircraft grade 6061-T6 aluminum spacers designed for precise fitment on your BMW
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Brand:
ES#:
205203
Mfg#:
ECS#252KTWB
Wheel Spacer & Bolt Kit - 10mm
Aircraft grade 6061-T6 aluminum spacers designed for precise fitment on your BMW
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Brand:
ES#:
205204
Mfg#:
ECS#253KTWB
Wheel Spacer & Bolt Kit - 12.5mm
Aircraft grade 6061-T6 aluminum spacers designed for precise fitment on your BMW
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Brand:
ES#:
205205
Mfg#:
ECS#254KTWB
Wheel Spacer & Bolt Kit - 15mm
Aircraft grade 6061-T6 aluminum spacers designed for precise fitment on your BMW
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Brand:
ES#:
205206
Mfg#:
ECS#255KTWB
Wheel Spacer & Bolt Kit - 17.5mm
Aircraft grade 6061-T6 aluminum spacers designed for precise fitment on your BMW
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Brand:
ES#:
205207
Mfg#:
ECS#256KTWB