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Message: <blockquote data-quote="xcrave" data-source="post: 567608" data-attributes="member: 21738">1)what is the main cause of steering shaking?what is the possible culprit for this problem...so far i've change lower arm (RH), tierod (LH), bering (LH), bushing (FR), sport spring...could it be stearing rack?#1 Check the steering Coupling / swivel Joint (if going over small bumps and has that *thud*thud* sound#2 Check For Tire condition front and Back#3 Check the wheel rotation (jack up) check for bearing sound... More cracking noise = bearing rosak#4 Check the Spring mounting (this i just learn) as a faulty mounting will create uneven effect to car steering#5 Shake front tire at 3 and 9 o'clock position if still moving then the tierods are faulty (in your case - if ody change... find the problem deepr => Steering rack OUCH!)2) notice bunyi bising from my rear right tyre when cruising on highway..is'it because of blod tyre?#1 Check for brake pads and rotor#2 Check for Disk break piston (should check all) this will make tapping noise -->sound like metal tappings#3 Uneven Tire will make the noise or choice of tire ... go for RFT type tires second hand oso its ok as long as its branded#4 Check for Trailing members and bushing#5 pray hard its not the sound of the differential box... 3)my car start showing symptom of susah nak start..bunyi and power ada tapi xmau hidup..#1 Check for MAF sensor (using software the best)#2 Check for the Spark Plug and its connectors#3 ICV (Idle control valve) Service or change might be needed4)aircond not cold and produce masam smell..notice symptom of water drip under the car, centre vent cooler the side vent, aircond blower suddenly die off while driving and screeching sound when starting the car...as per advice in this forum, found out problem myb originated from cooling coil...status: least priority and tahan dulu..(cross finger)This one can wait as masam smell can be cleaned by disinfecting the cooling channels but learn to live with it its BMW trademark <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite7" alt=":p" title="Stick Out Tongue    :p" loading="lazy" data-shortname=":p" /> Sometimes its like ur partner having this "special" smell at one point you will get used to it (or even liking it <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite7" alt=":p" title="Stick Out Tongue    :p" loading="lazy" data-shortname=":p" />)But after you solve the major problem the do this...5)lost of engine oil and water....topup water like every week...Engine Oil#1 Check Engine Gasket, Piston ring and valve seals and Engine oil lines (you can actually do this manually jack up or from looking around the engine for spill or telltale sign of leakage)#2 Go for those sealing "primer" or additive to motor oil... get a good one it might be of help (i solve my compression with this simple thing)Coolant/water:#1 check ALL your Radiator/cooling lines usual culprit is the top hose (get a pressure test done and see for leaking area.--->>> MAJOR *Check water pump mine was from there it even shread my timing belt and cause 1 timeoverheat (luckly no major damage)#2 Check for expansion tank (the black plastic bottle) as simple as the cap longar or rosak can cause water loss6)when putting paddle to the floor, notice low respond from the engine and sound like bubble pop (buih) in the engine compartment..dont know if it normal with BMW car...#Check MAF and O2 sensors... i heard that from someone last time and your DME scan can show all this problems7) low RPM when AC is off in stand still position while in D gear..car start to shake and RPM dropSimple problem actually sometimes the timing setting only is off... but still MAF is the culprit8)my rims ACS type 3 dent already due to previous owner fault.Buy new rims <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite7" alt=":p" title="Stick Out Tongue    :p" loading="lazy" data-shortname=":p" /></blockquote>

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