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BMW Chassis Code

F34 · 328i xDrive Gran Turismo

The F34 generation (2014-2019) spans 6 US-market models, powered by the N20, N26, B46, N55, B58 engines.

6
Models
2014-2019
Model Years
5
Engines

What the F34 Chassis Is

The BMW F34 represents the 3 Series Gran Turismo, a distinct fastback body style that shares its mechanical DNA with the F30 sedan while offering a longer wheelbase, a raised roofline, and a large power tailgate over a versatile cargo area. Built from 2014 to 2019, the F34 was aimed at buyers who wanted the driving character of a 3 Series with more rear-seat room and hatchback practicality. Every US-market F34 was equipped with xDrive all-wheel drive, making it a genuine all-season proposition. You can confirm any specific car's build details with our VIN decoder.

The Models & Body Styles

The F34 was offered in the US exclusively as a Gran Turismo with all-wheel drive. Across the run, the lineup included:

The 2016 mid-cycle refresh brought the transition from the 328i/335i naming to the 330i/340i badges, along with revised engines and updated iDrive.

Engines & Drivetrains

The four-cylinder 328i used the turbocharged 2.0-liter N20, later replaced by the B48 in the 330i. The six-cylinder cars are the enthusiast's pick: the 335i carried the beloved turbocharged N55 3.0-liter, while the 340i introduced the more powerful and modern B58. All F34s paired their engines with the ZF eight-speed automatic and xDrive all-wheel drive. To understand how these powertrains connect across the BMW range, see our BMW DNA overview.

Ownership: Strengths & Weak Points

The F34 is a comfortable, refined highway cruiser with genuine cargo utility and confident all-weather traction. The six-cylinder variants deliver strong, smooth performance, and the ZF automatic remains one of the best gearboxes of its era.

On the ownership side, buyers should follow standard F30-family maintenance discipline: monitor for oil leaks from the valve cover and oil filter housing gaskets, keep up with cooling-system service, and check for common electronic and comfort-feature quirks as the cars age. The added complexity of the power tailgate and larger body means a few more service points than a base sedan. Well-maintained six-cylinder examples with documented history are the most rewarding to buy. Enthusiasts cross-shopping older BMW platforms may also want to compare the F34 against earlier chassis like the E60 and E90 for a sense of how the brand evolved.

Models in the F34
ModelEngineYearsOrder Code
BMW 328i xDrive Gran Turismo N20 2014-2015 14TF, 15TF
BMW 328i xDrive Gran Turismo SULEV N26 2015-2016 15TO, 16TO
BMW 330i xDrive Gran Turismo B46 2018-2019 18TO, 19TO
BMW 330i xDrive Gran Turismo SULEV B46 2017 17TO
BMW 335i xDrive Gran Turismo N55 2014-2016 14TH, 15TH, 16TH
BMW 340i xDrive Gran Turismo B58 2017-2019 17TH, 18TH, 19TH
Engines
N20
2.0L Turbo I4
180–245 hp · 2011–2017
N26
2.0L Turbo I4
240 hp · 2012–2017
B46
2.0L Turbo I4
180–248 hp · 2016–present
N55
3.0L Single-Turbo I6
300–365 hp · 2009–2016
B58
3.0L Turbo I6
320–382 hp · 2015–present
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