Category Archives: BMW Case Studies

BMW Case Study 22: BMW X5 Damaged Circuit Board Modules

A BMW X5 arrived at Revol Carz Garage. The vehicle is lifted for repair works followed by thorough safety inspection. The inexperienced technician from other workshop failed to place back the protective cover properly. The carelessness caused rain water to seep in and damaged vital electronic components. Rain water flooded the battery compartment causing severe […]

BMW Case Study 21: Faulty Air conditioning – cooling coil replaced

BMW CS 21: Faulty Air conditioning – cooling coil replaced. A BMW X3 came to our workshop with air conditioning problems. A faulty car air conditioner can be difficult to diagnose and repair. BMW CS 21: We lifted the BMW X3 to carry out a routine undercarriage safety inspection and preventive maintenance also. Minor leaks […]

BMW Case Study 20: BMW 730 Total Gearbox Overhaul In A Day

A BMW 730i arrives at Revol Carz Garage for a total gearbox overhaul. The car is lifted for 360 degree undercarriage safety inspection. The total gearbox is systematically dismantled from the car. Extensive cleaning works begins This is how the ultra-cleaned interior of the gearbox looks after careful cleaning. Here is another section of the […]

BMW Case Study 19: Mechatronics Overhaul of BMW 520i

A BMW 520i arrives at Revol Carz Garage with mechatronics failures. The car is lifted to access the mechatronics in the transmission box. As the car left not many months to go we are confident to replace the just the mechatronic instead together of the valve body. Mechatronics overhauling works in progress. Old and new […]

BMW Case Study 18: Transmission Fault Code- Mechatronic Replacement

Royton sent his BMW 740i to our workshop with a transmission fault code. Transmission fault code appearing on iDrive. Our BMW specialist team swiftly proceed to beings works of the Mechatronic replacement. This is the BMW and the old mechatronic if you have not seen it before. Can see the difference between the new and […]

BMW Case Study 17: BMW 640i Timing Gear Replacement

Mr. Alan’s BMW 640i is having a misfiring visited our workshop. After checking, our experience BMW specialist confirmed the timing gear screw is having issue and work begin swiftly. As expected the aluminum screw from the timing gear have broken and hence explain the misfiring due to irregular engine timing. The new version however have […]

BMW Case Study 16: BMW 520i auto transmission fluid replaced

Mr. Boo’s BMW 520i come to our workshop for car servicing and auto transmission fluid replacement. When reaches a higher mileage it is not a bad idea to replace the Engine Oil Cooler as a preventive measure. It is the mechatronic aka BMW gear control unit if you have not seen it before. The auto […]

BMW Case Study 15: White smoke on the rear issue, fixed!

Mr. Su visited us for car servicing and also mention seeing lots of white smoke appearing in the rear. We fixed it! With years of experience we narrow down and checked the oil separator which indeed is the culprit for the white smoke. The new oil separator replacement. Rear brake disc replacement is needed too. […]

BMW Case Study 14: Replaced Anti-roll Bar and Front Absorber

Jackson’s car came to our workshop with unusual sound coming in the front. We detected front absorber was losing pressure from the oil leakage. And after a careful inspection due to the prolong uneven drive the anti-roll bar also need to be replaced in order to ensure no more sound in the front. The new […]

BMW Case Study 13: BMW 520i Minor Crack on Fan Belt and Coolant Pump

BMW 520i: BMW CS 13-Minor Crack on Fan Belt and Coolant Pump. BMW CS 13 for Kenneth who sends in his BMW 520i for car servicing with slightly high than usual engine temperature. So our team delighted worked on it. Our eagle sharp eyes technician detected the worn fan belt and also the need to […]

BMW Case Study 12: Oil Sump Leakage on BMW 535i. Fixed ASAP

Mr. Kelvin BMW 535i visited our workshop for engine oil leakages issue. We hoisted up the car and discover the engine oil sump is leaking. The engine oil sump leaking traces. The metal oil sump have to be removed before we can replace the oil sump gasket. This is how the BMW 535i oil sump […]

BMW Case Study 11: BMW 318i Flywheel Oil Seal Replacement

Mr. Amit BMW 318i visited our workshop with concern having to see oil stains on the floor after parking. Our experience BMW technician discover the leak from the flywheel oil seal. The gearbox need to be dismantle before the flywheel oil seals replacement. The flywheel connect between the torque convertor and the gearbox. Can see […]

BMW Case Study 10: BMW 316i Fault Code and Abs Pump Replaced

Mr. Chia BMW 316i came to our workshop with a heavy steering wheel. We fixed it through checking of fault code and replacing the abs pump. In normal cases, replacing a wheel speed sensor will be able to resolve the job but for Mr. Chia case will need to replace the abs pump control unit. […]

BMW Case Study 9: BMW 5 Series Parking Brake Fault Code

Mr. Eric BMW 5 series came to us with a parking brake fault code. It shows the parking brake failure. With BMW original handset we diagnosed the left parking actuator that is faulty.  We replaced with a brand new BMW actuator. Car returned to Mr. Eric with a Complimentary car wash and vacuum done.

BMW Case Study 8: BMW 520i engine oil leakage rectification

​Mr. Kenneth came to us for car servicing after his warranty ended from PML with some engine oil leakage rectification. Oil sump leak. Flywheel and torque convertor oil seal leak. Oil sump cover needs to be removed before the replacement of the oil sump gaske That is how a BMW 520i oil sump looked like […]