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It is no longer a secret that BMW is currently not planning a “real” M version of the current Z4 G29. The Z4 remains the top model in the M40i M Performance version. The performance tuning specialists from LIGHTWEIGHT Performance, who have been working with the sports department of the vehicle manufacturer BMW for 10 years, are not necessarily sad. On the contrary - they know which screws to turn to convert the base vehicle to the LW Z4 R and raise it to an equal M level.
400 PS and 570 Nm & + 300 km / h
The complete tuning program for the Z4 G29 looks like this: Tuner LIGHTWEIGHT Performance from Sinn increases the performance of the M40i to TÜV-certified 400 PS and 570 Nm and breaks the 300 km / h mark with the included V.-max increase. The additional punch is immediately noticeable and increases the addiction factor of the 3 liter B58 engine. Thanks to Turbo! The additionally installed LIGHTWEIGHT aerodynamics, which consist of a carbon front spoiler and carbon rear spoiler, is not only intended for the top model. The technical function - i.e. increased contact pressure on the front and rear axles - is guaranteed on all models. Visually, it blends harmoniously into the overall appearance of the LW Z4 R. A carbon rear diffuser is currently in preparation. What belongs to a real M model? Of course a 4-pipe exhaust system!
Stainless steel for the rear silencer
And we are already at the core competence of the company LIGHTWEIGHT Performance, which was known and still is the first years as LIGHTWEIGHT titanium exhaust systems. In the Z4, however, the material stainless steel was deliberately chosen for the rear silencer, since the resonance vibrations fit the B58 / Roadster better than titanium. The tuner from Sinn attaches great importance to the sound development and does not forget the suitability for everyday use and the wishes of the TÜV. Thanks to the standard driving experience switch, the flap control allows a Comfort / Sport Plus / Sport Individual position. The finish of the tailpipes is selectable; there is a variant with 4x black matt tailpipes or 4x carbon finish. LIGHTWEIGHT also offers a downpipe with ECE approval for the M40i, which has a performance-enhancing and thermally relieving effect and can still be legally used in combination with the silencer.
LW Z4 R with prototype undercarriage
As the business area has been expanded, not least with years of intensive cooperation in the chassis area with the Bilstein brand, it is hardly surprising that the LW Z4 R has a prototype chassis, which can be adjusted in tension and compression, with a LIGHTWEIGHT setup. The suspension will be available in summer, until then LIGHTWEIGHT will offer a spring kit that lowers the suspension by approx. 15 mm without reducing comfort too much. However, this is not all that has been changed at LIGHTWEIGHT in the chassis area. Through intensive research, it became apparent that the camber correction bearings offered by BMW fit the driving behavior and the setup aimed by LIGHTWEIGHT very positively. The wheel / tire combination also seems to have never been there in the tuning area, but has already been used by various manufacturers in series production or in special models such as the M4 GTS.
Michelin Pilot Sport 4S all around
All development and driving tests with the 9 × 20 “255/30/20 Michelin Pilot Sport 4S on the front axle and the 10,5 × 21“ with 295/25/21 rims mounted on the rear axle show an increase in driving dynamics. Last but not least, the brake system, pads and cables as well as the interior were upgraded with a LIGHTWEIGHT aluminum pedal set and floor mats. The LIGHTWEIGHT team helps to minimize the need for an M version. Who has driven the LIGHTWEIGHT Z4 R: to forget! If we receive timely information on further changes, there is of course an update for this report. You will be informed if you simply use ours Feed subscribe to. Have fun watching the pictures and stay true to us!
(Photos: Lightweight Performance)
Of course that had not been the case. Our tuning magazine has tens of thousands more tuning reports in stock. Do you want to see them all? Just click HERE and look around. Or are you particularly interested in the tuner Lightweight Performance? Then the following excerpt is definitely the right thing.
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LIGHTWEIGHT Performance Z4 R (G29) BMW Z4 M40i
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