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Your BMW 4 Series isn’t just a car. It’s a statement. But even these engineering marvels can hit a snag. At Fremont Foreign Auto, we’ve seen our share of 4 Series quirks. Nestled in Fremont, our shop caters to BMW enthusiasts from Newark and beyond.

Did you know? The BMW 4 Series, introduced in 2013, was born from the 3 Series coupe and convertible models. This split allowed BMW to differentiate its two-door models, giving the 4 Series its own identity. The first-generation F32/F33/F36 4 Series showcased a wider stance and lower center of gravity compared to its 3 Series counterpart, enhancing its sporty character.

Oil Leaks: The Silent Drip

Picture this. A pristine driveway marred by dark spots. The culprit? Oil leaks. Common in 2014-2016 BMW 428i and 435i models, these leaks often stem from failing valve cover or oil filter housing gaskets. Heat cycles take their toll. Rubber gaskets harden. Seals fail. The result? A slow but steady oil escape.

Fixing this isn’t a quick driveway job. It requires precision. Specialized tools. Expert knowledge. Our technicians at Fremont Foreign Auto tackle these leaks head-on, ensuring your 4 Series stays dry underneath.

Coolant Leaks: Sweet Trouble

Noticed a sweet smell lately? It might not be your air freshener. Coolant leaks plague many 2014-2018 BMW 4 Series models, including the 430i and 440i. The complex cooling system houses multiple potential leak points. Water pumps fail. Plastic thermostat housings crack. Hoses wear out.

Ignoring these leaks spells trouble. Overheating looms. Engine damage threatens. Our team uses pressure tests to pinpoint leaks, replacing components with top-quality parts. We keep your BMW’s heart cool and collected.

Electric Water Pump Woes

BMW’s innovation sometimes backfires. Case in point: electric water pumps. Found in most 4 Series models from 2014-2019, these pumps can fail without warning. One minute you’re cruising. The next? Temperature gauge spiking.

Diagnosing and replacing these pumps demands BMW-specific knowledge. It’s not just about swapping parts. It’s about understanding the system. Our technicians are well-versed in this BMW quirk, ensuring your 4 Series keeps its cool.

Timing Chain Troubles

Hear a rattle on startup? Your 4 Series might be telling you something. Timing chain issues, particularly in 2014-2016 428i models with N20 and N26 engines, can spell serious trouble. These chains stretch. Guides wear. Timing goes off.

The consequences? Severe. Think valve and piston collisions. Not pretty. Not cheap. We at Fremont Foreign Auto treat timing chain replacements with the gravity they deserve. Precision is key. There’s no room for error.

VANOS Vagaries

VANOS. BMW’s variable valve timing system. Clever, but not without faults. 2014-2017 4 Series models, including the M4, can exhibit VANOS-related hiccups. Rough idles. Power loss. Strange noises.

Diagnosing VANOS issues requires more than a standard OBD reader. It needs BMW-specific tools and knowledge. Our technicians dive deep into the VANOS system, resolving issues from worn solenoids to failing actuator gears.

Fuel Injector Failures

Misfire. Rough idle. Poor acceleration. Sound familiar? Your 4 Series’ fuel injectors might be crying for help. This issue is particularly common in 2014-2016 428i models with N20 and N26 engines.

Clogged injectors. Electrical faults. Internal wear. The causes vary, but the solution demands expertise. We clean, test, and when necessary, replace injectors to keep your BMW’s heart pumping smoothly.

Brake System Quirks

Squealing brakes on your M4? ABS light on in your 440i? Brake issues don’t discriminate. From 2014 to 2020, various 4 Series models have shown brake-related problems. Premature pad wear. Warped rotors. ABS module failures.

At Fremont Foreign Auto, we take brake issues seriously. Our comprehensive inspections cover everything from pad thickness to electronic systems. We use high-grade components, ensuring your 4 Series stops as impressively as it goes.

How often should you service your 4 Series? What signs indicate impending issues? Regular check-ups prevent minor issues from becoming major headaches. Trust your BMW to those who know it best.

Located in Fremont, Fremont Foreign Auto serves BMW owners from Newark and surrounding areas. We combine expertise with a passion for these Ultimate Driving Machines. Is your 4 Series due for a check-up? Don’t wait for problems to escalate.

Contact Fremont Foreign Auto today. Schedule an inspection. Let’s keep your BMW 4 Series performing at its peak. After all, a well-maintained BMW isn’t just a car. It’s a driving experience.