BMW X Series E70 (2007-2013)

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ECS Heavy Duty Ground Cable Upgrade (12427557027) - E70 X5, E71 X6 ...
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T#:49996976
Part#: 059261LA01
Ships on Jul 28, 2026
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If you're experiencing hard starting, flaky charging, or other electrical issues, your engine ground strap may be the culprit. On E70/E71 BMWs, the engine ground strap is a thin, non-insulated cable that spans from the left engine mount arm to the frame horn. Despite the seemingly simple nature of this part, on older cars, it is known to cause massive headaches. Due to its non-insulated design, years of exposure to water, dirt, and road salt will cause the wire to corrode, ultimately leading to complete failure. A break in this cable will cause an open circuit, resulting in issues with the vehicle's electrical system and potentially leading to a no-start condition.

To solve this issue, ECS has engineered an exact-fit, upgraded ground strap for your BMW X5/X6! Unlike its OEM counterpart, this design features insulated, large-gauge copper wire for dependable conductivity and long-lasting durability. Additionally, factory-style lugs are zinc-coated, crimped, and soldered, ensuring protection against corrosion and oxidation.

Whether you're replacing a visibly corroded strap or proactively preventing failure, this solution from ECS is sure to provide lasting performance and protection.

FEATURES

Direct-fit replacement and upgrade for E70 X5 and E71 X6 applications Solves intermittent grounding issues caused by aging OEM straps Clean, stealthy design that fits seamlessly in factory engine bays Factory length and lug orientation for drop-in fitment 2 AWG tinned copper cable for excellent conductivity and corrosion resistance Zinc-coated lugs, crimped and soldered to resist moisture and oxidation Black UL1015-grade insulation withstands oil, heat, and abrasion Discreet ECS label for a clean, OEM+ look Replaces OEM part number 12427557027.

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ECS High-Flow Water Pump Upgrade - E9X E8X N52
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T#:49822518
Part#: 044952LA04KT
Ships in 9 Business Days
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Sale - Save 25% $ 477.99

This product was last offered at the strikethrough price on
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$ 358.49 USD
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$ 477.99

This product was last offered at the strikethrough price on
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The N5X family of engines marked the start of a new era for BMW. The all-new aluminum block powerplants featured a host of technical upgrades, aiding in power output, reliability, and performance. Among these technological advances is an external electronic water pump, which removed load from the engine's accessory drive and allowed for advanced pulse-width-modulated (PWM) control.

From factory, the N52's electronic water pump is limited to a measly 200W output—strong enough for daily driving, but lacking in performance applications. Recognizing this shortcoming, ECS engineers set out to create a high-flow water pump upgrade that doesn't break the bank. Their high-quality adapter wiring harness and bracket allow you to install a 400W N54 water pump without any modification, an effortless, yet effective upgrade that doubles the output of the factory water pump!

By increasing coolant flow capacity, the 400W pump improves heat extraction from the cylinder head and engine block during high-load operation. This added thermal headroom is particularly beneficial for modified engines, sustained aggressive driving, track use, or operation in elevated ambient temperatures where the factory pump can operate near its limits. Improved circulation helps maintain more stable coolant temperatures and reduces the risk of localized hot spots.

Features & Benefits:

Upgrades to the more powerful 400W N54 water pump for increased coolant flow and improved engine cooling efficiency Sealed adaptor harness ensures secure connections and optimal operation under demanding conditions The N54 pump's higher power output offers longer-lasting, more effective cooling compared to the stock N52 pump Design:

40A fused power wire safely handles the increased power demands of the N54 pump, providing consistent and stable performance Sealed and robust construction, designed to withstand heat and moisture, ensuring reliability in even the most challenging environments Plug-and-play compatibility is designed for easy integration with the N52 engine and N54 water pump, minimizing installation time and complexity Kit Contents:

ECS N54 Water Pump Adapter Kit Conversion wiring harness Aluminum bracket Installation hardware Bavarian Autosport Water Pump (11517632426)

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Vargas Burnt Titanium Magnetic Oil Drain Plug - M12 X 1.5
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T#:51813315
Part#: VTT-TI-DRAIN
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The VTT Burnt Titanium Magnetic Oil Drain Plug is a critical upgrade for any performance enthusiast looking to maximize engine longevity.

VTT Turbocharger Inlet Flange - Garrett G40/42/45 V-Band - 86mm ID ...
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T#:52270240
Part#: GARROUTT4G4045
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Upgrade your turbocharger exhaust connection with the VTT-FAB 86mm V-Band Outlet Flange, designed for the Garrett G40-G45 frame sizes.

Vargas Titanium Valve Cover Hardware Upgrade - Black - BMW B58, N55, ...
For vehicles with VTT Valve Cover
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T#:52129732
Part#: VTT-TI-BOLTS-2-B
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The VTT Titanium Valve Cover Hardware Kit is the ultimate finishing touch for your BMW N55, S55, or B58 engine.
ECS Heavy Duty Rear Headlight Leveling Sensor Rod (37146752797) ...
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T#:55353606
Part#: 042121LA03KT
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Over time, road grime, salt, and moisture take a toll on the factory rear leveling rod. The original equipment often corrodes, seizes, and eventually snaps—or worse, binds up and breaks your expensive headlight leveling sensor. With this issue in mind, ECS has engineered a heavy-duty, bulletproof solution designed to outlast the car it’s installed on.

Instead of brittle OE plastic that degrades and snaps over time, this rod is constructed from high-strength, flexible polyurethane. Paired with corrosion-resistant stainless steel ball studs, it guarantees smooth articulation and prevents the binding that destroys expensive sensors. Precision-manufactured for a perfect, bolt-on fit, this upgrade requires zero modifications to replace your fragile OEM unit.

This is a direct-fit replacement for Genuine BMW part number 37146752797, restoring proper suspension-to-sensor geometry so your headlights adjust perfectly to changing loads and road conditions.

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ECS High-Flow Water Pump Upgrade With Aluminum Water Pump - E9X E8X N...
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T#:49822519
Part#: 044952LA04AKT
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The N5X family of engines marked the start of a new era for BMW. The all-new aluminum block powerplants featured a host of technical upgrades, aiding in power output, reliability, and performance. Among these technological advances is an external electronic water pump, which removed load from the engine's accessory drive and allowed for advanced pulse-width-modulated (PWM) control.

From factory, the N52's electronic water pump is limited to a measly 200W output—strong enough for daily driving, but lacking in performance applications. Recognizing this shortcoming, ECS engineers set out to create a high-flow water pump upgrade that doesn't break the bank. Their high-quality adapter wiring harness and bracket allow you to install a 400W N54 water pump without any modification, an effortless, yet effective upgrade that doubles the output of the factory water pump!

By increasing coolant flow capacity, the 400W pump improves heat extraction from the cylinder head and engine block during high-load operation. This added thermal headroom is particularly beneficial for modified engines, sustained aggressive driving, track use, or operation in elevated ambient temperatures where the factory pump can operate near its limits. Improved circulation helps maintain more stable coolant temperatures and reduces the risk of localized hot spots.

Features & Benefits:

Upgrades to the more powerful 400W N54 water pump for increased coolant flow and improved engine cooling efficiency Sealed adaptor harness ensures secure connections and optimal operation under demanding conditions The N54 pump's higher power output offers longer-lasting, more effective cooling compared to the stock N52 pump Design:

40A fused power wire safely handles the increased power demands of the N54 pump, providing consistent and stable performance Sealed and robust construction, designed to withstand heat and moisture, ensuring reliability in even the most challenging environments Plug-and-play compatibility is designed for easy integration with the N52 engine and N54 water pump, minimizing installation time and complexity Kit Contents:

ECS N54 Water Pump Adapter Kit Conversion wiring harness Aluminum bracket Installation hardware Pierburg Full Aluminum Water Pump (11515A05704) Installation:

- Click HERE for Installation Instructions -

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Vargas EWG Actuator To Garrett G25-G35 Housing Bracket - BMW EWG G25/...
For vehicles with Electronic Waste Gate
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T#:51778114
Part#: VTT-FAB-BMW-EWG-
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The Vargas EWG Actuator Bracket is the definitive solution for enthusiasts looking to merge BMW’s advanced factory EWG control with the high-performance capabilities of Garrett G-Series turbochargers.
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Vargas Plug & Play Pre And Post Throttle MAP Sensor Kit - 6B 4W - BMW...
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T#:52129729
Part#: VTT56BSENSKIT64
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The VTT 6-Bar MAP sensor kit provides the necessary overhead to monitor boost levels with a linear voltage scale that makes software calibration straightforward.

Vargas "Head Handler" Cylinder Head Lifting Tool - Blue - Long - BMW ...
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T#:51918854
Part#: VTT-HHBLULONG
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The Vargas Head Handler provides maximum versatility, specifically catering to those who need to remove/install a cylinder head with the camshafts in place.
Vargas Billet Power Steering Cap - Black - BMW EXX, F8X
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T#:52164934
Part#: VTT-PS-CAP-BLK-1
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The VTT Billet Power Steering Cap is the definitive upgrade for BMW owners looking to eliminate the weakest link in their engine bay's fluid system.
Vargas MAP Sensor Extension Harness - BMW B58, N54, N55, S55, S58, S6...
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T#:51672717
Part#: VTT-MAP-HARNESS
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As part of the VTT-FAB fabrication line, this extension harness is designed for builders and tuners who need flexibility.


Vargas Billet Motor Mount Inserts - BMW N20/N54/N55
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T#:51918860
Part#: VTT-INSERT-4
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The VTT Billet Motor Mount Insert Kit is for BMW N20/N54/N55 owners who want to eliminate the excessive engine pitch and drivetrain slop.
Vargas Billet Upper Coolant Line Block-Off - BMW N55 & S55 Engines ...
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T#:52094575
Part#: VTT-FAB-047
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When building a custom turbo kit, the "VTT-FAB-047" Block-Off Flange is an essential component for managing your BMW's thermal systems.
Vargas Crank/Vibration Damper Bolts - M10 x 1.5
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T#:51778130
Part#: VTT-BMW-DAMPER-B
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Protect your investment with the VTT/ARP 8740 Crank Vibration Damper Bolt kit.

Vargas "Spine Lock" Crank Hub - BMW N55/S55
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T#:51918887
Part#: VTT-NS55CHO
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The Vargas Spline Lock Crank Hub is the solution for BMW owners seeking to push their N55 or S55 engines to the limit without the fear of catastrophic timing failure.

Vargas "Head Handler" Cylinder Head Lifting Tool - Black - Long - BMW...
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T#:51918853
Part#: VTT-HHBLKLONG
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The Vargas Billet "Head Handler" is the ultimate solution for BMW technicians and enthusiasts who frequently handle heavy cylinder heads.
Vargas "Head Handler" Cylinder Head Lifting Tool - Red - Long - BMW N...
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T#:51918855
Part#: VTT-HHREDLONG
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Designed for the high-volume BMW specialist, the VTT "Head Handler" eliminates the struggle and risks associated with manually lifting heavy cylinder heads.

Vargas "Head Handler" Lifting Tool - Red - Short - BMW B58/N54/N55/S5...
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T#:51918856
Part#: VTT-HHREDSHRT
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The VTT Billet "Head Handler" is the definitive solution for technicians and BMW enthusiasts who frequently perform top-end engine work.
Vargas DCS EWG System Billet Adapter With BMW Actuator - BMW ...
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T#:52094552
Part#: VTT-DCS-EWG-W-AC
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the VTT DCS Billet Adapter with BMW Actuator is the definitive solution for converting to an electronic external wastegate.

Vargas Extended M7 Port Head Studs - Pair - BMW B58/N54/N55/S55 ...
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T#:51672701
Part#: VTT-EXTENDED-STU
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The VTT-FAB Extended M7 Studs are the professional’s choice for securing thick-flange manifolds on N54, N55, S55, and B58 engines.

Vargas "Spline Lock" Crank Hub Solution - BMW N55 & S55
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T#:51918889
Part#: VTT-NS55CHSCP
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The VTT Spline Lock Crank Hub Solution represents a massive leap in drivetrain engineering by moving away from friction-based or pinned interfaces.
Vargas Billet Adapter With Straight Gate For EWG DCS - BMW
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T#:52094551
Part#: VTT-DCS-EWG-ONLY
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The Universal DCS System is the ultimate boost control solution for any vehicle, regardless of whether it came with factory electronic wastegate control.
VTT Valve Cover Gasket - BMW N54 w/ VTT VC
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T#:52129724
Part#: VTT-VC-GASKET-N5
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The VTT N55/S55 replacement gasket is a high-performance sealing solution for the N55 and S55 (EWG) aluminum valve covers.