BMW Electrical Sensors, Switches, & Relays for BMW X Series E71 (2008-2014)

Clear BMW chassis

Please ensure your correct model is selected

Electrical gremlins can be very frustrating. Luckily your BMW's electrical system is better than most, even if it's 25 years old. Here you will find electrical relays, sensors, switches, and modules for the engine, camshaft, and crankshaft. Our parts are OEM, Genuine BMW, or approved aftermarket brands that we have an excellent track record with. There is no middle ground with electrical parts - it either works perfectly or not. And there's nothing more frustrating than a new part that fails right out of the box. So it's important to choose quality replacement parts over a cheap but faulty piece.

Sub-Categories

Sort By:

ECS Heavy Duty Ground Cable Upgrade (12427557027) - E70 X5, E71 X6 ...
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
ECS - Corporate Logo
T#:49996976
Part#: 059261LA01
In Stock
New Item
Sale - Save 28% $ 29.99

This product was last offered at the strikethrough price on
02-04-2026

$ 21.74 USD
Free Shipping
Sale - Save 28%
$ 29.99

This product was last offered at the strikethrough price on
02-04-2026

$ 21.74 USD
Free Shipping

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.

Show More Show Less
Mass Air Flow Sensor
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Bremi - Corporate Logo
T#:47644906
Part#: 13627593624
In Stock at Vendor
New Item
$ 193.99

This product was last offered at the strikethrough price on
05-07-2026

$ 188.99 USD
Free Shipping on orders $49 and up
$ 188.99 USD
Free Shipping on orders $49 and up
Battery Tender Plus Advanced Battery Charging System
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Battery Tender - Corporate Logo
T#:49892371
Part#: BTT0210128
In Stock at Vendor
New Item
$ 69.99 USD
Free Shipping on orders $49 and up

Mishimoto Ignition Coil, 8-Pack - BMW N63 & S63 Engines
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Mishimoto - Corporate Logo
T#:51075067
Part#: MMIG-BMW-1108
Ships in 4 Business Days
New Item
$ 274.99 USD
Free Shipping on orders $49 and up
The Mishimoto Ignition Coil (MMIC-BMW-11B) focuses on durability and electrical precision.

Hitachi Engine Crankshaft Position Sensor - BMW F2X F3X
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Hitachi - Corporate Logo
T#:48850074
Part#: 13627582842
Ships in 7 Business Days
New Item
$ 184.99 USD
Free Shipping on orders $49 and up
Engine cranks but doesn't start? This sensor is often the issue.
Hitachi Camshaft Position Sensor - BMW E9X F3X F8X N20 N52 N55 S55 ...
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Hitachi - Corporate Logo
T#:48815454
Part#: 13627525014
Ships in 7 Business Days
New Item
$ 40.00 USD
Free Shipping on orders $49 and up
The camshaft position sensor communicates the position of the camshaft to the computer. This helps the computer to calculate proper spark and fuel control. If you're struggling with CELs, hard starts or no starts, stalling, and/or a rough idle, you may need to replace the cam position sensor.
Show More Show Less

Vargas Plug & Play Pre And Post Throttle MAP Sensor Kit - 6B 4W -...
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Vargas Turbo Technologies - Corporate Logo
T#:52129729
Part#: VTT56BSENSKIT64
Ships on Jun 19, 2026
New Item
$ 209.99 USD
Free Shipping
$ 209.99 USD
Free Shipping
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 MAP Sensor Extension Harness - BMW B58, N54, N55, S55, S58, S6...
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Vargas Turbo Technologies - Corporate Logo
T#:51672717
Part#: VTT-MAP-HARNESS
Ships on Jun 19, 2026
New Item
$ 59.99 USD
Free Shipping
$ 59.99 USD
Free Shipping
As part of the VTT-FAB fabrication line, this extension harness is designed for builders and tuners who need flexibility.

Vargas USB To Serial For HPFP Controller - BMW N54
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Vargas Turbo Technologies - Corporate Logo
T#:51778112
Part#: N54-USB-SERIAL-H
Ships on Jun 19, 2026
New Item
$ 37.99 USD
Free Shipping
$ 37.99 USD
Free Shipping
Take full control of your N54’s fueling system with the Vargas Turbo Technologies USB to Serial adapter.

Hitachi Engine Crankshaft Position Sensor - BMW N52 N54 S85 S65 S63 ...
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Hitachi - Corporate Logo
T#:48815471
Part#: 13627525015
Ships in 7 Business Days
New Item
$ 66.99 USD
Free Shipping on orders $49 and up
The crankshaft position sensor transmits the crankshaft's position to the computer. This helps the computer to calculate proper spark and fuel control. If you're struggling with CELs, hard starts or no starts, stalling, and/or a rough idle, you may need to replace the crank position sensor.
Show More Show Less
BMW Air Flow / Mass Meter
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Febi - Corporate Logo
T#:47644907
Part#: 13627593624
Special Order: No Guaranteed ETA
New Item
$ 214.99 USD
$ 214.99 USD
Meyle Crankshaft Pulse Sensor - BMW EXX, FXX
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Meyle - Corporate Logo
T#:52762518
Part#: 314810014
Special Order: No Guaranteed ETA
New Item
$ 19.99 USD
Free Shipping on orders $49 and up
Revitalize your vehicle’s performance and reliability with the MEYLE Crankshaft Pulse Sensor.