The BMW 12-14-1-703-276 Knock Sensor is a critical component of your BMW's engine management system designed to detect and prevent engine knocking or pinging, ensuring optimal engine performance and longevity.
This advanced sensor employs a piezoelectric design, utilizing a crystal that generates an electrical charge when subjected to mechanical pressure. The sensor continuously monitors the engine's combustion process by detecting the slightest pressure variations caused by the combustion waves. By analyzing the data, the engine control unit (ECU) can adjust the ignition timing and fuel injection to maintain the ideal engine operating conditions.
Measuring approximately 3.2 x 1.4 x 1.1 inches (8.1 x 3.5 x 2.7 cm) and weighing around 0.6 ounces (17 grams), the BMW 12-14-1-703-276 Knock Sensor is a compact yet robust component, designed to withstand the extreme conditions within the engine compartment. Its housing is made of high-strength materials, ensuring protection against vibration, temperature fluctuations, and other harsh environments.
The sensor comes with a plug-and-play connector, ensuring a straightforward installation process. Simply replace the faulty or worn-out sensor with this new one, and your BMW's engine management system will be restored to its optimum performance level.
By addressing engine knocking and promoting efficient combustion, the BMW 12-14-1-703-276 Knock Sensor guarantees improved engine performance, enhanced fuel economy, and reduced emissions, making it an essential investment for any BMW owner.
Buying a BMW 12-14-1-703-276 knock sensor involves considering its potential benefits and drawbacks. Here's a brief analysis of each:Benefits:
1. Improved Engine Performance: A faulty knock sensor can cause a car's engine to misfire, leading to reduced power and poor fuel efficiency. Replacing the faulty sensor can help restore optimal engine performance.
2. Preventing Further Damage: A malfunctioning knock sensor can potentially cause more significant engine damage if left unattended. Replacing it promptly can save you from costly repairs in the future.
3. Enhanced Safety: A faulty knock sensor can also impact your car's safety features. For instance, it can affect the operation of the airbags.
Drawbacks:
1. Cost: Replacing a BMW knock sensor can be an expensive proposition, as it is a specialized part that requires precision manufacturing and advanced technology.
2. Labor Costs: The labor costs associated with replacing the knock sensor can also add up, especially if you're not doing it yourself.
3. Availability: BMW parts, in general, can be harder to find and more expensive than their counterparts from other manufacturers.
Conclusion:
Replacing a faulty BMW 12-14-1-703-276 knock sensor can be a worthwhile investment, as it can help restore optimal engine performance, prevent further damage, and enhance safety. However, the cost of the part and labor can be significant. It's essential to weigh these factors against the potential benefits and make an informed decision.
Recommendation:
If you're experiencing symptoms of a faulty knock sensor, such as engine misfires or check engine lights, it's recommended to consult a certified BMW mechanic for an accurate diagnosis and repair estimate. You can also consider purchasing a reconditioned or aftermarket knock sensor to reduce costs, but ensure it's compatible with your BMW model and comes with a reliable warranty.
Details:
Electrical parts are not returnable. In-stock orders ship within 24 hours. Shipping carrier substitutions may be made at our determination in an attempt to reduce shipping cost the customer. Parts must be resalable and in the original packaging.
Genuine Bmw knock sensor 12-14-1-703-276: parts: 328 330i, Ci, xi. M3, 328is, ICC. 525i, 528i, 530i. Or visit .
specifications ignitioncomp:
brand: Bmw
mpn: 12-14-1-703-276
model: Z3 323i 323is 328i 328is M3 528i
part type: Sensor
genuine oem: Yes
manufacturer warranty: 1 Year
universal fitment: Direct Replacement
year: 1996 1997 1998 1999 2000
seller ignitioncomp:
rating: 99.5%
# reviews: 1799
city: irvine, california
general ignitioncomp:
category: Auto Parts > Car Truck Accessories > Ignition Systems Components
offer ignitioncomp:
prices: $29.99–$136.99
item condition:
New other (see details)
Used
New
Neu
Nuovo
started: november 16, 2025
sold #: 20
availability: in stock
in stock #: 5
options: ship-to-home
shipping ignitioncomp:
transit: 4-8 days
type: fixed
service: standard, expedited, overnight
class: standard, expedited, one-day
payments ignitioncomp:
other
credit card: discover
wallet: paypal
returns ignitioncomp:
paid by: seller
policy: returns accepted
time: 30 days
rating: 99.5% out of 100 based on 799 user ratings.
Similar Items:
Bmw 82292355519 Genuine M Performance Key Case Carbon Fiber Alcantara 82 29 2 355 519Bmw genuine key case 'm performance' m performance x5 35DX 35I 35IX 40EX 50IX x6 x1 28IX 750IX 740I 740IX 750I. The key case will protect the from scratches and dents carbon fiber Alejandra materials ensure that it is long-lasting durable. The key case is an authentic Bmw product and suitable for ...(January 3rd, 2024)
Bmw 9311353 12-20 F30 F32 Ignition Switch Immobilizer Sensor Start Coil Ring OemBuyer pays for all return shipping costs. This listing is for a used Bmw oem, ignition switch immobilizer sensor start coil ring part# 9311353, will fit 2015 -2021 F22 F87 F23 2 series cars 2012 -2018 F30 F80 F31 F34 3/2 014-2020 F32 F82 F33 F83 F36 4 cars, donor vehicle: 2015 328I RWD N20 2.0L...(January 14th, 2024)
Bmw 61136931432 2009 328i 328xi 335i 335xi E90 E92 E93 E91 Front Door Crash Sensor ConnectorOnly 52.400 miles on a donor car. The part offered in this listing was carefully removed from a perfectly running 2009 Bmw 328I E90 sedan with only 52K miles / N52 engine automatic interior upholstery leader Dakota beige LCB4 outside color black sapphire metallic color code 475 please look below ...(February 2nd, 2024)
Bmw 1247281 Genuine 3 Z3 5 Series E36 E46 E34 M43 M44 Petrol Ignition Coil Bosch Lm26Works as it should. This part was pulled from a 1998 Bmw 318TIVIN-WBACG8329WKC84214MILEAGE-115,886BODY style-coupe exterior color-ascot green 353INTERIOR color-light sand grey PK5BHSTOCK # LM26, removed from: 318TI with 115,886 miles, please review all pictures to assess the condition of item. ...(March 4th, 2024)
Bmw 6pr00786800 1999-2000 323i Oil Level Switch Sensor 6pr007868-00This is an item that has been previously used. All parts including engines, transmissions, transfer cases, differentials, batteries come with a 30 day warranty. Please verify that it fits and is compatible with your specific model before purchasing. Note: item may require programming/unlock code...(March 15th, 2024)
Bmw 6 778 387-01 2007-2011 525i 528i 530i 550i 750i M3 M5 M6 X5 X6 Z4 Tpms Rdc Sensor ModulePurchase this genuine Bmw toms RFC sensor module today and enjoy a safe comfortable driving experience. It is designed to accurately monitor the tire pressure and alert driver of any deviations from recommended. The part numbers are 6/7 78 387-01 and 677838701, it can easily be installed as a ...(April 11th, 2024)