H-plane sectoral horn antenna

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▲BMW X5小改款傳將在4月發表。（圖／翻攝自motor1）

德國車廠BMW先前已預告將在四月發表新一代7系列與電動車i7，近日外媒表示原廠還有另一款車也將在四月亮相，那就是主力休旅X5小改款，並且可望推出全新M60i車型。

The log-periodic antenna as known as LPDA is a wideband directional antenna that provides gain and directivity combined over a wide band of frequencies.
Both Log-Periodic Antennas and Yagi antennas are high gain directional antennas. The main difference between these antennas is that Log-Periodic Antennas support wider frequency bandwidths and are physically much larger than Yagi antennas.
The log-periodic dipole array typical VSWR is 2:1 and operates over a much wider bandwidth and will have a lower gain for an equivalent number of elements.
In terms of its specification, a typical log periodic antenna might provide between 3 and 6 dB gain over dipole for a bandwidth of 2:1 while retaining a VSWR level of better than 1.3:1. With this level of performance, it is ideal for many applications, although a log-periodic antenna will be much larger than a Yagi of an equivalent gain.

EMC/EMI pre-compliance test antenna.
Very high gain over the full frequency range.
 Meets latest EMC standards up to 7GHz.
Suitable even for immunity measurements

▲BMW X5小改款的頭燈及下氣壩將是更新重點。（圖／翻攝自motor1）

現行第4代X5（代號G05）是在2018年發表，隨著該車推出已達4年，原廠早已開始為其進行小改款的開發工程，從先前曝光的測試車看來，X5小改款車頭的水箱護罩雖然沒變大，但直列式格柵間隔變得更寬，下方進氣壩則換上與2系列Coupe類似的樣式，另外，大燈雖然不像iX那樣細長，但與現行款相比仍較為纖細。

▲BMW X5小改款的尾燈將進行小幅度更新。（圖／翻攝自motor1）

考量到較入門的全新2系列Active Tourer已配置iDrive 8車載多媒體系統，儘管X5小改款的內裝至今尚未曝光，但預計也將導入iDrive 8，並換上一具整合12.3吋數位儀錶及14.9吋中控螢幕的大型曲面螢幕，至於排檔桿也有望改為全新撥桿式造型。

▲BMW X5小改款可能會以M60i取代現行M50i。（圖／BMW提供）

動力將比照現行配置提供汽柴油車型，不過傳出原廠有意為B58直六汽油引擎進行升級，馬力將從333匹提升至370匹，而B57柴油引擎同樣也會獲得更新，至於PHEV插電式油電車型xDrive45e的綜效馬力則有機會從389匹提升至480匹；另外，有傳聞指出BMW正在開發代號S68的V8雙渦輪引擎，是以S63引擎為基礎進行深度升級，排氣量可能會縮減至4.0升，並導入48V輕油電技術，至少擁有535匹馬力，由於性能比現行M50i更強，因此未來可能會以M60i車名取代。