Techmax Auto

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Techmax Auto BMW,MERCEDES-BENZ-PORSCHE specialist , repair maintenance ,we care ,do you? Quality repairs for Quality cars .

Tech talk > BMW diesel N57 engine extreme oil consumption > 2 L per week . Therefore it has an over 70% clogged DPF ( di...
10/19/2026

Tech talk > BMW diesel N57 engine extreme oil consumption > 2 L per week . Therefore it has an over 70% clogged DPF ( diesel particulate filter)!
Owner driving or limping this thing around for a year ! When he eventually decided to see us . Him and his choosen mechanic trying to fix this thing for over a year . The problem is now multifold > due to clogged DPF the system is trying to run a regeneration on the DPF. This results in extremely high volume of fuel being added to the combustion process to light up > burn out the DPF to restore the exhaust gas flow . This causing a constant fuel wash off of the cylinder walls exacerbating accelerating engine wear . The intake tract the EGR system all clogged with oily soot choking the engine further. This reminds me of a patient > when the doctor tells him he has terminal cancer and the reaction of the patient is I will try home remedies first .
A year later the tumor spread everywhere and now the doctor should and expected to perform a miracle?! Sorry Sir there is nothing we can do in here , the cost of repairs would exceed the value of the vehicle. A dentist doesn't do brain surgery or vica versa 🤔, otherwise the procedure outcome is unpredictable at best ,tragic at worst . Any questions how may we help?

The conversation > I must be getting old and grumpy 😠 because when you say luxury premium automobile my understanding is...
10/10/2026

The conversation > I must be getting old and grumpy 😠 because when you say luxury premium automobile my understanding is it's well thought out premium components which meant to last.
2021 Mercedes-Benz GLE both led headlights turned into a "fishbowl" after major downpour! Owner can't drive the vehicle at night as both headlights are dead ,it's been a month of arguing with insurance. In desperation ask dealer for a quote 4650.00 ea installed X 2 ! He contacted us via referral so we agreed to look at it and see where it lands . Removed both headlights and ran a dehumidifier blowing inside of them entire night one at the time . Removed the control modules > of course they are bolted to the very bottom of the pricey lexan ( plastic) headlights just to make sure they go for a "swim " if any moisture enters the headlight. Inspected the wiring looked ok so ordered a pair of modules > applied dessicant inside the headlights > programmed and coded with genuine software and whoala they are back in business. Total cost 1850.00 as each module is 600.00 X 2 ! Then the rear camera was also dead > culprit was the rear tailgate handle camera drive gears were stripped, replaced the plastic assembly and camera is back in action.
Any questions how may we help? -Benz

The conversation > Modern cars are compared to the past extremely complex highly digitized computers on wheels. We're c...
09/21/2026

The conversation > Modern cars are compared to the past extremely complex highly digitized computers on wheels. We're currently seeing a new trend from the public, a push back on the new cars purchase. Offten times clients opt to repair, refresh their existing vehicles. Just like this 2012 Mercedes-Benz C350 4matic coupe ,got new brakes new alloys on new winters ,repainted calipers to make it look and perform amazing. The manufacturers love to jam their new cars full of tech ,sensors ,networks and high tech electronics which inevitably will break down and cost a ton of money to correct. Common sense starting to prevail. Any questions how may we help?

A rather unique and interesting visitor for service. 2020 Rolls-Royce Phantom with the most glide like plush ride and q...
09/13/2026

A rather unique and interesting visitor for service. 2020 Rolls-Royce Phantom with the most glide like plush ride and quiet cabin . No less than 286 pound of insulation even though the majority of the vehicle is made from aluminum pre dominantly . The engine is the BMW 6.75 liter V12 and the tachometer is replaced with a power reserve meter instead. Naturally special tires are fitted to be nearly silent in rolling noise and the carpet is a 3.5 inch lamb wool to complement the ultimate plush ride . Just a tad over 13 thousand kilometers she is literally brand new and don't forget the rear su***de doors with the famous umbrella stored in the door sil for ease of access. Any questions how may we help?

09/13/2026

A rather unique and interesting visitor for service. 2020 Rolls-Royce Phantom with the most glide like plush ride and quiet cabin . No less than 286 pound of insulation even though the majority of the vehicle is made from aluminum pre dominantly . The engine is the BMW 6.75 liter V12 and the tachometer is replaced with a power reserve meter instead. Naturally special tires are fitted to be nearly silent in rolling noise and the carpet is a 3.5 inch lamb wool to complement the ultimate plush ride . Just a tad over 13 thousand kilometers she is literally brand new and don't forget the rear su***de doors with the famous umbrella stored in the door sil for ease of access. Any questions how may we help?

07/23/2026

Tech talk > 2015 Mercedes-Benz ML350 CDI air mass meter faults. The "clean diesel " is not so clean after all . The EGR system dumps so much soot into the intake tract which mixes with the oil vapour creating this gigantic mess . Looks like atherosclerosis on steroids, literally. Luckily the intake port linkeages are fine and healthy, therefore a couple hours of walnut shell blasting done the trick . Otherwise the 2 intakes would be $ 2200.00 for a replacement pair , time well spent. Keep in mind also the lighter oil prefered of late by the manufacturers will create more oil vapour and short distance driving also exacerbate the problem further as well . Any questions how may we help?

Tech talk > 2015 Mercedes-Benz ML350 CDI air mass meter faults. The "clean diesel " is not so clean after all . The EGR...
07/23/2026

Tech talk > 2015 Mercedes-Benz ML350 CDI air mass meter faults. The "clean diesel " is not so clean after all . The EGR system dumps so much soot into the intake tract which mixes with the oil vapour creating this gigantic mess . Looks like atherosclerosis on steroids, literally. Luckily the intake port linkeages are fine and healthy, therefore a couple hours of walnut shell blasting done the trick . Otherwise the 2 intakes would be $ 2200.00 for a replacement pair , time well spent. Keep in mind also the lighter oil prefered of late by the manufacturers will create more oil vapour and short distance driving also exacerbate the problem further as well . Any questions how may we help?

07/22/2026

Tech talk > 2019 911 Carrera GTS 4 convertible coolant leak from a plastic elbow at 18 000 kms . This is the " carnage " you need to do to replace a silly plastic elbow behind the water pump 😜. I'm not an engineer just a mechanic, my question is why would you put a plastic component on a ultra high performance twin turbo monster ?! The price of this vehicle was probably close to $ 350 000 or so ,carbon brakes for racetrack like performance, albeit the cooling system leaked just by standing, so I wonder what would it do on a racetrack 🤔? Ditto for the plastic oil pan !
The company is complaining they're loosing marketshare I wonder why? Any questions how may we help?

Tech talk > 2019 911 Carrera GTS 4 convertible coolant leak from a plastic elbow at 18 000 kms . This is the " carnage "...
07/22/2026

Tech talk > 2019 911 Carrera GTS 4 convertible coolant leak from a plastic elbow at 18 000 kms . This is the " carnage " you need to do to replace a silly plastic elbow behind the water pump 😜. I'm not an engineer just a mechanic, my question is why would you put a plastic component on a ultra high performance twin turbo monster ?! The price of this vehicle was probably close to $ 350 000 or so ,carbon brakes for racetrack like performance, albeit the cooling system leaked just by standing, so I wonder what would it do on a racetrack 🤔? Ditto for the plastic oil pan !
The company is complaining they're loosing marketshare I wonder why? Any questions how may we help?

07/13/2026

Tech talk > 2015 X3 xdrive Diesel charging issue at hand . Owner tried to fix the problem but after the second alternator replacement and numerous batteries he give up . Initial testing revealed a massive 2V difference between the alternator and the battery. Voltage drop test revealed a major resistance along the length from rear to the front . The culprit found to be the distribution box at front where the JBE and the forward wiring harness is split . Appears to be someone accidentally left the junction partially loose which melted the junction/fuse box aft of the windshield. Naturally all is back to normal after junction box replacement. The 911 was in for a new battery and maintenance. Any questions how may we help? bmwspecialist bmw

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1011 Meyerside Drive # 9
Mississauga, ON
L5T1K8

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Wednesday 8am - 6pm
Thursday 8am - 6pm
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