日前接獲BMW德國原廠通報(附註一)需召回通報內之搭載N20引擎之車輛。
此通報內容說明必需更換：
1.引擎進氣凸輪軸
2.煞車真空輔助泵浦
該批車款其進氣凸輪軸具有瑕疵，使煞車真空泵潤滑不足，將使煞車力道偶發性不足。
目前本公司新車部所販售之新車，需召回之車輛皆已通知回廠保固。
台中 王先生
車輛概況：
1.執行技術通報更換項目
部件移除中。
新款高壓線圈特寫。DELPHI代工.....
進、排氣可變電磁閥特寫....
汽門室蓋移除完成....
汽門室特寫....
缸內直噴噴油嘴特工登場....
正確工序，特工加持....
新款缸內直噴引擎噴油嘴。BOSCH代工....
凸輪軸新品登場，準備安裝.....
凸輪軸各個角度特寫....
汽門彈簧安裝特工登場。
正規工序直上....
安裝中....
BMW N20 引擎正時特工登場。
加持定位中....
依據原廠扭力並使用角度規上緊原廠度數....
汽門室安裝，汽門室蓋安裝需依據順序上緊....
扭力上緊中....
煞車真空泵浦新品登場....
本體特寫...
安裝完汽門室蓋即可安裝煞車真空泵浦。
汽門室原廠警語，塑鋼汽門室蓋。
水溫高於40度時，請勿拆卸汽門室蓋。
DME引擎電腦準備安裝....
DME特寫....
安裝完成，周邊部件復原....
再次檢視引擎機油量是否充足....
里程數確認....
完工路試，煞車確認無異，準備交車。
感謝王先生對我們的支持。
謝謝、感恩。
註一：原廠技術通報原文
Technical Service
October 11, 2013
DCSnet Message
Urgent
Subject:
Delivery Stop N20 N26 Vacuum Pump Oil Supply
Message Recipients: General Managers, Sales Managers, Service Managers, Service and Parts Directors, Parts Managers, Service Advisors, Shop Foremen
On September 26th, BMW of North America, LLC announced to NHTSA its intention to conduct a voluntary Recall on certain 2012-2014 model year BMW 3 Series, 5 Series, X1, X3 and Z4 models equipped with the N20 or N26 engine, produced from May 2012 to August 2013.
Affected vehicles in center inventory must not be retailed or delivered until the Recall repair has been performed. Refer to the file “N20 N26 Delivery Stop.pdf” for vehicles which must be held. Vehicles at BMW vehicle delivery centers will be corrected before shipment to your center.
Situation:
The oil supply via the intake camshaft to the vacuum pump could become restricted. If this were to occur, the vacuum pump could fail due to lack of lubrication, resulting in a loss of power brake assist.
A repair solution for vehicles already retailed is under development and not available at this time. Customers will initially be informed of the Recall in November by letter; and again when parts become available. Please do not contact the Parts Technical Group (PTG) requesting parts. The repair letter will be sent when the dealership has the necessary parts, tools and procedures to preform the repair.
The solution involves inserting a locking ring onto the camshaft so the oil supply to the brake assist vacuum pump is not impaired. The repair will take approximately two hours but can vary depending on your BMW dealers schedule. The repair will be preformed free of charge.
Affected Models
2012-14 320i/328i, 320i/328i xDrive Sedan manufactured between May 2012 – August 2013
2014 328i xDrive Sports Wagon manufactured between March 2013 – May 2013
2012-13 528i, 528i xDrive Sedan manufactured between June 2012 – June 2013
2013-14 X1 sDrive28i, X1 xDrive28i manufactured between June 2012 – June 2013
2013-14 X3 xDrive28i manufactured between June 2012 – August 2013
2012-14 Z4 sDrive28i manufactured between June 2012 – June 2013
Models not list are not affected due to different lubrication and vacuum pump designs.
Number of vehicles affected in the US
Up to 76,190 BMWs are affected by this safety issue. The model break down is as follows -
2012-14 320i/328i, 320i/328i xDrive Sedan - 37,473 potentially affected
2014 328i xDrive Sports Wagon - 176 potentially affected
2012-13 528i, 528i xDrive Sedan - 12,708 potentially affected
2013-14 X1 sDrive28i, X1 xDrive28i - 10,547 potentially affected
2013-14 X3 xDrive28i - 14,517 potentially affected
2012-14 Z4 sDrive28i - 770 potentially affected
Known accidents
BMW is aware of three minor accidents with no confirmed injuries as a result of this problem. The NTSB has 7 reported incidents but that does not mean they have 7 accident reports. Vehicles affected have experienced the failure at low millage. It is not clear if having a higher mileage car means you will not have the failure.
Should you continue to drive your N20/N26 powered BMW
BMW says it is safe to continue to drive your vehicle for now. As soon as you get the service letter that will be coming in December you should have the recall work performed. If you feel a loss of braking power pull to the side of the road and have your BMW towed to the nearest dealer by BMW Roadside Assistance.
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